Zhong-Ting Yan, 顏仲廷

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 96 / In this thesis, we propose an orthogonal variable spreading factor (OVSF) based underwater wireless multimedia (UWM) system. An essential feature of this system is power assignment mechanism, direct mapping (DM) strategy, OVSF technology, unequal error protection schemes, and adaptive modulation are granted to messages that can tolerate high bit error rate (BER) but real time simulation. Simulation results show that the proposed scheme can not only fulfill the quali...

Hung-Yi Lin, 林宏義

碩士 / 海洋大學 / 海洋法律研究所 / 96 / With the advantage of technology, much of underwater equipment has been discovered. The underwater culture heritage, however, has been commercially exploited and destroyed from day to day. Therefore, the UNESCO 31th International Conference 2001, recognized “Convention on the protection of the Underwater Cultural Heritage,” which, on the one hand, clearly defines the underwater cultural heritage and adopted policies for the sustainable management, including in situ and...

Hu Jen Chung, 胡振中

碩士 / 國立中央大學 / 土木工程研究所 / 89 / Microtunneling is now commonly used in constructing the sewerage collection system. Due to the lack of experience in the early stage, construction budgets of microtunneling is formulated according only a handful of cost factors. This sometimes resulted in great cost variance during the construction stage, preceded by time-consuming changes or even disputes. The purpose of this work is to summarize the practical experience of using the microtunneling tec...

Wei-Chen Tsai, 蔡維宸

碩士 / 國立臺灣大學 / 造船及海洋工程學研究所 / 88 / Maneuverability defines a vehicle’s ability to change course, turn, stop, or accelerate from rest. Controllability defines a vehicle’s ability to maneuver and also to maintain or correct course, speed, and position. Maneuverability of conventional underwater vehicles, such as torpedoes, can be designed by adjusting the position and length of control fins. To increase the payload volume, and to reduce the size of fins, we investigate the design of maneuverability ...

Lin, Tsai-Chen, 林采蓁

碩士 / 國立臺灣大學 / 環境工程學研究所 / 87 / The main purpose of this research is to construct a spatial decision support system for storm sewer systems. This spatial decision support system, composed of geographic information system (GIS) and Illinois least-cost sewer system design model (ILSD-1), provides optimal design technique for storm sewer systems. The main content of optimal storm sewer design assisted by geographic information system is as follows. 1. Develop local cost model fo...

whang chen fu, 黃清復

碩士 / 國立海洋大學 / 機械與輪機工程學系 / 87 / In this study, we investigated the related problems of application of adaptive control algorithm on a tendon-driven underwater manipulator. The motion control problems of underwater vehicles or robotic systems are much more difficult than that in air. That is because the variations and complexity of the underwater environment increase more than that of regular environment in air. Adaptive control algorithm has the feature of causing a time-varying system to be stab...

Shih-Hsien Chen, 陳世賢

碩士 / 國立海洋大學 / 電機工程學系 / 87 / The multipath interference is a major problem in underwater acoustic data transmission.The energy of radio wave decays rapidly with theincreasing of frequency. Thus, the acoustic wave is an appropriate mediumfor underwater data transmission. In this thesis, the implementation of π/4 DQPSK modulation techniques for underwater acoustic (UWA) telemetry modem is investigated. In order to reduce the UWA channel effects, the direct sequence spread spectrum techni...

顏士傑

碩士 / 國立海洋大學 / 電機工程學系 / 87 /

Yu-Lun Lu, 呂宇倫

碩士 / 國立中山大學 / 機械工程學系研究所 / 89 / This thesis studies the target identified by analyzed scattering signal which is from active sonar impinged under water. In general, the specular reflected waves and corner waves provide the information of target profile in scattering signal. The resonance scattering waves and surface waves submit the material properties of target by analysis signal. The Rayleigh wave is a candidate for target identified in surface wave analysis. Since then, the theorem focuse...

林爭賢

碩士 / 中原大學 / 資訊工程學系 / 87 / The recognition of underwater acoustic signal from ocean ambient noise is an important job of underwater signal processing. The propagation of underwater sound is affect due to multi-path, reverberation, and inhomogeneity. Besides, the random process and time vary characteristics of the signal cause it difficult to use an effective mathematics model to simulate the system. Hence, there are two emphases about this research. The one is underwater acoustic signal feature p...

Liou, Jhen-Jia, 劉鎮嘉

碩士 / 聖約翰科技大學 / 電子工程系碩士班 / 101 / In this thesis , we use thedirect sequence code division multipe access (DS-CDMA) system and underwater channel model [1] for our research. There are several important features in the warm shallow underwater channel, such as time-varying and multi-path effects. In this thesis, we use the Rake rerceiver and decision feedback equalizer (DFE) to combat multi-path effect, which is caused by the underwater channel . Further , the multiuser detection (MUD) is used for t...

Chung-che Chen, 陳仲哲

碩士 / 國立臺灣科技大學 / 機械工程系 / 101 / There are many practical service robots in consumer markets nowadays, but few are available for underwater cleaning. This research plans to develop an underwater robot with bottom cleaning function, which could replace the existing manual works. The robot had an innovative triangular structure, equipped with exclusive cleaning and moving mechanisms. With the integration of control system, the robot could automatically clean the bottom of the water tank. Underwater r...

Chih-Feng Huang, 黃志峰

碩士 / 朝陽科技大學 / 營建工程系碩士班 / 100 / Recently, the installation of sewer system in the major metropolitan areas throughout Taiwan has become of the most important government projects, in which the increase of household connection percentage is the major target by the related government administration. The household connection percentage has been increased from 11.5% to 22.1% as a result of overall efforts by all involved sectors in Taiwan from year 2003 to 2008, while during the same time period the ...

Kuang-Jen Hsiao, 蕭光任

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 100 / In this thesis, we apply G.729 encoding compression to five seconds of recorded voice signal for digital audio streaming. A Matlab-based direct mapping orthogonal variable spreading factor (OVSF)-Gold sequences/orthogonal frequency division multiplexing (OFDM) underwater communication platform was used to transmit the digital audio signals. The decompressed received digital audio stream exhibits different transmission bit error rates. Applying the Hilbert-Huang tim...

Hsiung-Fei Hsueh, 薛雄飛

碩士 / 國立臺灣海洋大學 / 海洋法律研究所 / 100 / “Convention on the Protection of Underwater Cultural Heritage” was signed on November 2, 2001, which took effect on January 2, 2009. This is an international charter exclusively focused on the protection and management of underwater cultural heritage. The establishment and effect of the Convention clearly regulated the protection and management of underwater cultural heritage, which show the international society’s concern over this issue. Even so, there are still...

Chiu-Ting Wang, 王九鼎

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 100 / This thesis is aimed to construct an autonomous underwater vehicle (AUV) with stereo vision capability. Integrating a depth sensing camera, an embedded processing system and motion control methodology, the AUV can navigate without human’s tele-operation. Some color-based image processing methods encounter problems in underwater images. Therefore in this thesis, the Kinect camera is used to perform underwater vision tasks. The obtained depth information is used to t...

Lin, Chiung-Bin, 林正斌

碩士 / 國立交通大學 / 機械工程系所 / 101 / Underwater lighting has been the subject of many researchers. Although commonly used halogen lamps and incandescent bulbs have high CRI in the air, they are affected by absorption and scattering in water, resulting in lower CRI. In case of photography, an auxiliary light source is even needed. LED has a characteristic of concentrated emitting wavelength, so LED can not reach the traditional lamp's high CRI; however, in the water or even in fog or smoke environment, t...

Po-Fang Chen, 陳泊芳

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 100 / Underwater images are usually affected by the turbid water medium and floating particles existed in the water. Thus attenuation, absorption, and scattering happen while light propagates in the water. These phenomena cause low contrast in underwater images, and make them look like covering by a veil. In addition, colors disappear sequentially according to the wavelength while light travels deeper in the water, which makes underwater images blue. On the other ...

Shu-Mei Lin, 林淑美

碩士 / 國立臺北科技大學 / 環境工程與管理研究所 / 101 / The sewage system is the essential public facilities in modern city. The level of prevalence is connected with environmental sanitation, quality of life and water quality. Our government started to build sewage system in Taiwan area since 1988, that has performed construction projects among four mid term and long term of sewage systems, but the performance have been repeatedly questioned fraud or distortion. Besides, the served rate of public sanitary sewer in ...

JUNG-CHE LEE, 李榮哲

碩士 / 國立臺灣科技大學 / 機械工程系 / 100 / Nowadays the underwater cleaning of the exhibition glass walls in aquariums or large fish tanks is mainly done by manual work. There is no suitable small-scale underwater cleaning robot for this purpose. Therefore, this research plans to design and manufacture a prototype of a small-scale underwater cleaning robot with automatic side-wall cleaning function. The design concept of the robot adopts innovative and simple triangular structure and system integration. With...

Jen-Chi Lin, 林仁基

碩士 / 國立臺灣科技大學 / 機械工程系 / 100 / Abstract Currently Taiwan’s electricity and tap water penetration rate has been close to one hundred percent, but only sewer system is still not perfect. Except for Taipei City and Kaohsiung City, other area’s sewer system penetration rate is under thirty percent. In order to improve the problem of the sewer is insufficient, local governments are stepping up to construct sewage facilities, and hope to enhance the penetration rate of the sewage system year by year. H...

Han-Hsun Wu, 吳翰勳

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 101 / The orthogonal frequency division multiplexing (OFDM) is used in this thesis for underwater acoustic communication (UAC). The goodness of the designed OFDM UAC system is verified by computer simulation and actual water tank experiment. In the simulation, the OFDM baseband system is realized by using the LabVIEW software platform. A shallow water channel impulse response found in the literature is used as the channel. Considering the possible Doppler effect in a UAC...

Chin-Hua Chang, 張津華

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 101 / This thesis is aimed to design an underwater acoustic modem, based on the multicarrier modulated orthogonal frequency division multiplexing (OFDM). In the design of OFDM transmitter, two data modes of long burst and short burst are considered and used for data transmission. To reduce bit error rate, we propose an least-squares scheme in the short burst mode as well as the three schemes of linear interpolation equalization, adaptive least square equalization and ada...

Cheng Shu Sui, 鄭淑穗

碩士 / 國立臺北大學 / 國際財務金融碩士在職專班 / 100 / In the past, the progress of infrastructure followed the Government Procurement Act in Taiwan. With the dilemma of budget limitation and debt ceiling in recent years, the government enacted Act for Promotion of Private Participation in Infrastructure Projects in order to upgrade the level of public service and to expedite social economic development. Moreover, sewerage construction was announced to be the priority infrastructure by Executive Yuan in 2003 due to...

Luo, Yung Jeng, 羅永正

碩士 / 真理大學 / 資訊工程學系碩士班 / 100 / With the rapid development technologies, underwater acoustic sensor networks (UWSNs) have recently received more attention. UWSNs technologies are applied including pollution monitoring, enemy detection, as well as disaster warning and other applications. However, since the acoustical waveform is used in underwater environment, it leads to the long propagation delay, difficult Synchronization, and the more power consumption. Most related exist research cope with th...

Zhang-en Wu, 吳長恩

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 96 / The main purpose of the present thesis is to establish the ship steering system by virtual reality technique and research on the ROV of this system.Using PMM testing to finish the Hydrodynamic Derivatives measuring and calculating the strain of cable under each speed by computer imitative program of the ROV made by zhang xiang-hou【20】 to develop a real time virtual reality simulation experienced formula. Control it by advance、float、drop、side to analyze the mo...

Shih-hong Ko, 柯仕鴻

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 96 / In this paper, we use PropellerTM that is a microcontroller containing eight operation cores, and is made by Parallax Company U.S.A., to build an mini AUV. We also integrate many MEMS sensors such as compass module, two-axis accelerometer and underwater pressure sensor with the mini AUV. We also designed and fabricated two AUV's hull, whose length are 8 and 9 inches and displacement are 450 and 700 cubic centimeters respectively. The mini AUV can also commun...

Liang-Yu Chang, 張良裕

碩士 / 國立成功大學 / 水利及海洋工程學系碩博士班 / 96 / The storm sewer design, each sewer have their own water catchment area of culvert, but the urban areas is flat, heavy rain during the stagnant water and may be due to the overflow of its catchment area. Therefore, the storm sewer systems model should be able to calculate with the rain - runoff model to analyze the delivery capacity of the storm sewer systems, and play an immediate flood forecasting function. The flow of storm sewers during heavy rain is gradual...

Shih-ming Huang, 黃世銘

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 96 / The key point of this thesis is to develop a depth control system for the mini underwater vehicle. We use LabVIEW programming language as the developmental platform, and verify the feasibility of the control system by using an 8-inch underwater vehicle prototype. The framework of hardware, in addition to a vertical propulsion motor, includes a microcontroller and a pressure sensor device for operating and monitoring. To achieve control processes, the informat...

Yu-Nien Lin, 林育年

碩士 / 國立成功大學 / 工學院工程管理專班 / 96 / Sewage system is a basic modern public construction. It’s function not only can improve living environment and hygiene, but also can protect river from pollution. Modern countries all make sewage system as an important target for environment quality. Nevertheless, sewage system in Taiwan is still far behind. Reasons include the early investment funds somewhat lower, restriction for manpower in district governments, the difficulties of land obtains, and over builds ...

Wei-kai Chen, 陳瑋凱

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 96 / This thesis compares the characteristics of secondary batteries used for the underwater system in order to find a proper power source that is suitable for the system. Moreover, the low-cost integrated circuit (IC) and buck-type converters are used to obtain the required voltage levels for the devices in the system such as the underwater acoustic modem, single board computer and vertical line array hydrophone with condition amplifiers. The voltage and current ...

Hsueh-Chia Hao, 謝家豪

碩士 / 國防大學理工學院 / 造船及海洋工程碩士班 / 97 / This work is proposed to study with the way of numerical simulation to the influences of some design parameters on the efficiency of water jet propulsion. How to reduce the phenomenon of cavitations in the intake duct of water jet propulsion is main aim of various designs of the duct shapes at different value of IVR. The work employed the software of Computational Fluid Dynamics (CFD), FLUENT, to simulate the flow field of the intake duct by the way of three-dim...

Wei-Ta Li, 李威達

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 96 / Autonomous Underwater Glider is a new invention of Autonomous Underwater Vehicle (AUV) in recent years. Underwater Glider has long duration and long range, especially for an apparatus is called CTD sensor that could also collect many physical data of the ocean. Most of CTD sensors are placing for underneath one side of wing of underwater glider therefore the dynamic characteristics of an underwater glider depends on its hydrodynamic coefficients significantly. ...

Jie-Min Lin, 林玠民

碩士 / 朝陽科技大學 / 營建工程系碩士班 / 96 / In recent years, the construction and completion rate of the sewerage system in metropolitan areas have been selected as one of the most crucial environment indices for evaluating developed advanced countries where sewerage system is an essential public facility for the civilians. Due to tremendous amount of budget required, the “Act of Promoting Private Sector Participation in Public Projects” was first implemented by the government as part of the project “Challeng...

Ta-Wei Chiu, 邱大維

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 93 / The thesis mainly discusses the design and fabrication of underwater impedance tube for the measurement of material acoustic characteristic. This test method can be applied to measure sound reflection coefficient, normal incidence sound absorption coefficient and specific acoustic impedance ratio of materials. Firstly, the impedance tubes of different sizes are made according to ASTM standards and the theory of plane wave propagation. Then the theory of a t...

Shiu-Shin Lin, 林旭信

博士 / 國立臺灣大學 / 土木工程學研究所 / 93 / Urban drainage systems are the most fundamental facilities in modern developed cities. There are two sewer systems in urban drainage systems: combined and separated. The waste and runoff caused by rain are drained in a single tunnel or pipe in the combined sewer systems. However, the separated sewer system uses a different kind of pipe to drain waste water and runoff. It is indicated by many researches that the performance of the sewer systems would not reach its de...

Shi-Zheng Lin, 林世政

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 94 / This study focus on establishing the standard characteristics testing on MEMS sensor. Also the application and promotion for underwater acoustic MEMS sensor are our goal. These testing sensors are piezoresistive sensors which fabricated by MEMS process. Comparing with the commercial hydrophone B&K 8104, MEMS sensors have better sensitivity. 　We build an auto sweep frequency program for users. To set the initial frequency, interval frequency and end frequency...

Jan-ShiangChen, 陳展翔

碩士 / 國立成功大學 / 測量工程學系碩博士班 / 98 / Underwater features at shallow depth (~40cm) are difficult to be observed and monitored. The water surface disturbed by flow and wind action prevents the direct observation from above water. Water-proofed camera or video are also hard to maneuver in such situations. In this research, we tackle this problem by using continuous photos (1500~3000 photos per site) taken from above water and setup on a tripod. We employed a Nikon D200 camera, which takes about 12~2...

Ssu-HsienLin, 林思賢

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 98 / This paper discusses the application of acoustic waves in water. The first part is the underwater acoustic imaging, and the second part is the non-linear loads combining underwater acoustic waves. The first part acquires much more scattering data mainly by utilizing acoustic wave diversity techniques, including frequency diversity and angle diversity. Followed by adopting the concept of Ewald sphere to fill Fourier space, and then apply bi-linear interpolatio...

Po-HanChen, 陳柏翰

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 98 / The main objective of this paper is to build a short-range underwater acoustic communication system for delivering signal information in underwater channel where the signal attenuation and noise interference are particularly serious by using land-based communications electromagnetic wave principles theory as background knowledge. In this research, we process the experiment in a three-meter towing tank and install LabVIEW software into emitter and receiver to ...

Chih-ChiehChao, 趙致傑

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 98 / The LED lamps replaced the traditional light source is a global trend. It is also in the underwater. Traditional light source’s emitting angle is like radial, so the light intensity in the every direction is same. It lead to scattering coefficient and emitting angle became not important in the calculation. However, the LED light source has the characteristical of high directivity that will change the light field by scattering. Because of the characteristical,...

Chih-Yung Shen, 沈志勇

碩士 / 國立中山大學 / 海洋環境及工程學系研究所 / 93 / Underwater static targets are objects under the water that can’t move autonomously. Apparatus feasible for detecting underwater static targets includes: optics, acoustics and geophysical instruments. The purpose of this research is discussing the efficiency of applying side-scan sonar, magnetometer, sub-bottom profiler and echo sounder simultaneously to search, detect, identify and locate underwater static targets. Procedures of this research include: 1. Discuss...

Shun-Chi Su, 蘇順吉

碩士 / 中正理工學院 / 電機工程研究所 / 86 / Underwater acoustic signals are non-linear, time-varying, and with low signal-to-noise ratio. These properties make the signal analysis difficulty and complex. For resolving targets through the underwater acoustic signals, effective methods are proposed in this thesis to process underwater acoustic signals, Base on these methods, an signal acoustic recognition system is also designed. Traditionally, the Fourier transform (FT) and Morlet wavelet transform ...

Yong-Qi Su, 蘇永奇

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 101

Hsuang-Hsin Liao, 廖烜欣

碩士 / 國立成功大學 / 水利及海洋工程學系碩博士班 / 97 / The inundation of the urban area was affected to the water of the blocks of urban that flow to streets and to sewers, therefore; the sewers could prevent the disaster. The blocks and the streets and the sewers were exchanging discharge that should be analyzed when the storm happened. The purpose of this study was to set up the Streets-Sewers Drainage-Inundation model and the exchanging discharge in the streets and the sewers. It was also to see the street netw...

Yi-Ting Liang, 梁宜婷

碩士 / 國立成功大學 / 土木工程學系碩博士班 / 97 / The purpose of this study is to use GPR to detect the underwater soil profile. To achieve this purpose, the trigger for surveying needs to be changed from wired to wireless remote control. To initiate the GPR surveying from the floating on the water, the existing GPR wired control system have to be improved. The existing measurement is triggered by the measuring wheel. In this improvement the measuring wheel signal is replaced by the remote control. Because of hig...

CHIN-CHIEN CHOU, 周志堅

碩士 / 國立中央大學 / 土木工程研究所 / 89 / Microtunneling method has become the unique choice for connecting the underground sewer mains and households. Microtunneling is versatile and robust is snaking around existing pipelines already crowded in urban areas. However, construction quality is an imminent problem in microtunneling, since supervision of underground work remains both costly and ineffective. Common quality defects in sewer pipe construction include leakage in connections, poor slope ...

Lee,Ju-sung, 李如松

碩士 / 國立中山大學 / 海下技術研究所 / 86 / In this thesis, an ultrasonic sonar transducer used for a ROV (Remotely Oper ated Vehicle) is developed in IUT (Institute of Undersea Technology, National Sun Yat-Sen University, R.O.C.) The fundamental principles and practical guidelines for designing such a transducer are studied, and the techniques of fabrication and measurement are also investigated. Following procedures are carried out throughout the study: (1) investigation of the fundamental theories, (2) de...

Tung-Chung Su, 蘇東青

碩士 / 國立中興大學 / 土木工程學系 / 90 / Due to an increase of the population and industry development, the need of water in all respects is increasing. In process of using water will be polluted; however, it is collected by the sewer systems and drained into rivers after dealing with effluents. The old sewer systems are discovered recently not to be rehabilitated yet in Taiwan, so the chaps and cracks make the phenomenon of leak. The phenomenon could be serious to pollute water for civil; therefore, the gov...

Hao-ting Yang, 楊皓婷

碩士 / 國立中山大學 / 機械與機電工程學系研究所 / 102 / 3D stereoscopic display has been a very popular topic recently. With the flourishing development of display technology, applications of 3D stereoscopic video display can be found in versatile domains. This research aims at developing the 3D stereoscopic technology for the ROV (Remotely Operated Vehicles) in order to meet requirements of future missions. It is expected to provide more information about the underwater environment to assist underwater operations o...