水下信標機 的英文怎麼說
中文拼音 [shuǐxiàxìnbiāojī]
水下信標機
英文
an underwater locator beacon-
The dissertation is mainly including four section : the first is the experiments done in the tank, which will supply the reliable information of imaging data ; the second is image edge detection by the use of the art of the zernkie moments, which is used to detect the liner and threaded edge of the object, the third is the underwater camera calibration technique, the forth is automatic positioning the location of the camera by used of the art of cross - ratio, the result of which is satisfied
本文工作分為四個部分：第一部分是水槽實驗部分，它為后續的工作提供了可靠的圖像數據信息；第二部分是基於zom距的直線、曲線邊緣提取技術及相關的與處理技術；第三部分，水下攝像機標定技術研究，基於改進的tsai演算法，採用逐步分解的標定策略。並探討了一種相對簡單的、靈活的標定技術；第四部分是攝像機定位技術研究，採用具有平移不變性的交比進行攝像機定位，模擬試驗的最大誤差不超過2 ，效果還是令人滿意的。The advent of the internet and the wide availability ofcomputers, scanners and printers make digital data acquisition, exchange and transmission a simple task. however, making digital data accessible to others through networks also creates opportunities for malicious parties to make salable copies of copyrighted content without permission of the content owner. digital watermarking is likely to be a potential solution to this problem. digital watermarking has been proposed as a solution to the problem of copyright protection of multimedia documents in networked environments. it makes possible to embed a watermark ( such as identification data, serials number, text or image etc. ) to multimedia documents allowing copyright protection, secret communication, document authentication and so on. in this paper, we present a new digital image watermarking method based on svd ( singular value decomposition ), and then give some theoretical analysis about the algorithm. extensive experimental results show that this method is much more robust than other methods presented before
隨著計算機和網路技術的飛速發展，數字圖像、音頻和視頻產品愈來愈需要一種有效的版權保護方法，另外通信系統在網路環境下的信息安全問題也日益顯露出來.數字圖像水印技術為上述問題提供了一個潛在的解決方案.所謂水印技術就是將數字、序列號、文字、圖像標志等版權信息嵌入到多媒體數據中，以起到版權保護、秘密通信、數據文件的真偽鑒別和產品標志等作用.本文提出了一種新的基於奇異值分解的數字水印演算法並且對該方法的理論基礎給出分析.實驗結果表明這種方法要比目前提出的流行演算法魯棒In many fields, such as remote sensing, nuclear medical, computer tomography, geophysical prospecting, groundwater hydrology, global ocean modeling, image processing, tumor detection, nondestructive detection, the objective of applied sciences and engineering is the recovery of the original signal given a collection of noisy observations of the original signal ; we call these problems inverse problem
在遙感技術、核醫療技術、計算機斷層掃描（ ct ）技術、地質勘探、地下水文學、電磁輻射、圖像恢復和重構、腫瘤檢測、非破壞性檢測等科學研究和工程實踐中，經常需要根據一組觀測到的數據來估計目標的真實信號，而觀測到的數據往往是真實信號經模糊、失真和加噪等過程后所得的輸出信號，通常稱這類問題為逆問題。In this paper, real time torpedo homing system. which is based on adsp ? 2106x to be discussed. high speed signal parallel processor system is researched, it is made up of intel 80c186eb processor main board and adsp _ 2106x. it can be come true using this system for the accuracy parameter estimation of underwater target which moves on high velocity
本課題是以高速并行數字信號處理晶元adsp ? 2106x為核心，以intel80c186eb微處理器構成的cpu模塊為主控板，構成完整的高速并行數字信號處理機硬體系統，該硬體系統可以成功地實現現代魚雷自導的水下高速運動目標參量實時精估演算法。The paper embodied with fact of hengxin corporation, and focus on the proplem of material purchasing. applying modern theories and means of supply chain administration and logistics administration, through reorgnizing material purchasing management and procedure. through authenticating supplior, we have established the evaluation procedure of supplior to strengthen the management of supplior, and applying computer technology and network technology, and realized electronics, information and centrality of purchasing administration, thus, production is guaranteed, purchasing cost is decreased and market competitive ability is improved. parts of contents and ideas in this paper have been applied in hengxin corporation and preliminary fruits have been gained
本課題結合大連恆新零部件製造公司（以下簡稱恆新公司）的實際情況，針對恆新公司物資采購管理方面存在的問題，通過研究現代物流與供應鏈管理等先進的管理思想和方法，對恆新公司物資采購組織和機制以及采購流程進行重組，同時對供應商進行認證和管理，建立供應商評審程序及招標采購制度，加強對供應商的管理，並應用計算機技術及網路技術，建立基於供應鏈的恆新公司物流管理信息系統，力圖在管理的力度和深度上真正解決該公司物資采購問題，從而節約成本、提高效益、保證質量、提高企業的管理水平和市場競爭力。Aimed at the current problem of pipeline layout optimization technique, the research of irrigation pipeline layout and pipe diameter optimization has been done, the gis ( geography information system ) and graph theory were first put forwarded to applyed to the design of low pressure pipeline irrigation project in the paper. with the support of gis, the minimal spanning tree theory of graph theory and 120 project theory can be applied to irrigation pipeline ' s layout optimization. at the aspect of pipe diameter optimization, simplicial method and interior - point method are been used in solve liner optimization model of pipe diameter to reach minimum project cost or a nnual working cost of low pressure pipeline irrigation
本文主要針對當前南方地區低壓管道輸水灌溉規劃設計中存在的技術難點，開發研究先進實用的樹狀低壓輸水灌溉管網計算機輔助設計系統。首次提出了將gis （地理信息系統）和圖論技術應用於低壓管道輸水灌溉規劃設計及灌溉管網優化中，在gis支持環境下，應用圖論中的最小生成樹法和120規劃進行管道的最優化布置。建立以管道輸水灌溉系統的年折算費用最小為目標函數的管徑優化線性規劃模型，並將內點法應用於線性優化模型的求解。The main work of the thesis is as follows : we design a novel omni - mirror more applicable in robocup, which is made up of an isomeric horizontal mirror and an isomeric vertical mirror and can make the resolution of the imaging of the objects near the robot on the field constant and make the distortion of the imaging of the objects far from the robot small in vertical direction ; we select a 1394 digital color camera and complete the development of its software program for data acquisition ; we design a image processing algorithm for the panoramic image, which can segment the image by color, extract the features of image fast and effectively and complete the recognization of target ; according the character of the imaging, we design a new fast hough transform algorithm for line detection, which can detect the white mark lines of the field realtimely, and then design a robot ’ s self - localization method based the mark lines, which only uses the information of omni - vision system ; finally we design a monte carlo localization method based on the information of omni - vision system and odometry, and present the localization results of two localization methods and analyze the experiment results and get the conclusions
本論文的主要工作如下:設計了一種新的更適用於機器人足球賽的全向反射鏡面，該鏡面由水平等比鏡面和垂直等比鏡面組合而成，能夠使機器人近處一定范圍內水平場地上的物體成像解析度不變，遠處物體成像高度上變形較小;選擇了一款基於1394介面的數字攝像機，並完成其數據採集程序開發;針對全景圖像設計了圖像處理演算法，能夠快速有效的實現圖像顏色分割和圖像特徵提取，完成目標識別;根據全景圖像的成像特性，設計了一種新的用於直線檢測的快速hough變換演算法，能夠實時的提取出場地的白色標志線，並在此基礎上設計了完全利用全向視覺信息的基於標志線的機器人自定位方法;最後設計了一種基於全向視覺信息和里程計信息的montecarlo定位方法，給出兩種方法的定位結果，並分析實驗結果，給出結論。This thesis discusses on the post - processing of sonar signal which includes the search and location of the target, the pattern recognition and the neural networks classification, and also carries out a process of the sea test data with the post - process - programs to verify the validity of the pattern recognition with bp neural network, which helps to develop the sonar image processing and the image processing of other fields
本文在完成課題中的顯示控制任務同時，對聲納信號後置處理，包括目標的搜索定位以及模式識別和神經元網路識別等內容，進行了論述，並利用後置圖像處理程序對正樣機海試數據進行處理，驗證了bp神經元網路下模式識別方法在水聲圖像處理方面的有效性，有助於聲納圖像處理以及其他領域圖像處理的發展。It ' s briefly demonstrated that the overall plan of the close range shortwave marine communication system, which including format of radio propagation, operation frequency, communication architecture, main parameters and the sampling part of receiver
以水下作戰平臺對母艦的短波通信為背景，對海上近距短波通信系統的總體方案進行初步論證。其中包括電波傳播形式的論證、工作頻段的選擇、通信體制的選擇、接收機總體指標以及接收機采樣部分技術論證。The main work of this thesis includes : system level design and implementta - tion of an underwater multiple targets tracking ( umtt ) system, use of the embedded dgps receiver in buoy, migration of wireless communication system on ocean, and performance verification by experiments
本論文的主要工作包括水下多目標跟蹤系統的總體設計研究與實現，浮標中嵌入式dgps接收機的使用和海上無線通信系統的搭建，最後通過實驗驗證系統的工作性能。In this paper, with the background of auv mapping minefield mission, intelligent control technology is presented, intelligent robot mapping plan system and other correlative technologies are mainly researched, including intelligent system architecture, multisensor data fusion and paths searched plan
本文以水下機器人自主標識雷區圖的任務為背景，介紹了水下機器人的智能控制技術。主要研究了智能機器人標圖規劃系統及一些相關技術，包括智能系統的體系結構、多傳感器的信息融合及搜索路徑規劃技術等。Recently, the constructions of computer monitoring and controlling systems have been developed widely. however, presently, the problems of data exchanging between dispatching center and its substations have not been coped with perfectly, which has hampered making unmanned substations a reality
近年來，我國水電廠、泵站計算機監控系統建設得到普遍的開展，但目前一些廠站調度管理中心和下屬的各現場站之間的信息交互問題仍然沒有得到完善的解決，主要表現在異構平臺、異構數據庫之間的數據溝通上，這在很大程度上阻礙了「無人值班（少人職守） 」目標的實現。The system includes the computer imitation of the optimal design of optic imaging, and the technique of compensation and influence on the visional information arising from the movement of robot ; accurate description and effective arithmetic on the 3 - dimention model construction, camera calibration, recognition, registration, location, tracing of underwater objects are studied, by using the video information from the image grabber
本課題來源於智能水下機器人技術中的「水下機器人信息處理和理解技術」項目的基礎研究課題。主要內容是通過水下攝像機和圖像採集卡，得到的視頻信息，來研究水下物體的邊緣提取、攝像機標定、定位演算法的研究。分享友人