sonar image 中文意思是什麼
sonar image
解釋
聲吶圖像-
The thesis reviews the theory which is the basis of synthetic aperture processing and introduces five algorithms of image reconstruction : the coherent addition provides a good opportunity for the real time sas ; the envelope processing can work when sonar echo returns lack phase coherence ; the i - q processing can reduce the sampling rate ; the broadband and ctfm processing are both aimed to increase the sas mapping rate
討論了用於重構圖象的五種演算法，包括簡單的可進行實時處理的相關合成法，可以在缺乏相位信息時使用的包絡處理法，可以降低采樣率、減少運算量、存儲量的正交處理法，可以提高聲納運行速度，從而提高成象率的寬帶處理法和ctfm法等五種演算法。 -
Feature tracking in video and sonar subsea sequences with applications. computer vision and image understanding, 2000, 79 : 92 - 122. 10 brooks r a, lozano - perez t. a subdivision algorithm in configuration space for findpath with rotation
本論文詳細介紹了相關的知識背景以及將gcop優化求解方法應用於機器人路徑規劃含兩類障礙物的原理和演算法設計，並給出了模擬實驗結果。 -
The imaging principle of mine - hunting sonar is important for the design of sonar, so the simulation of sonar image is significant
獵雷聲納的成像原理對聲納本身的設計是十分重要的，因此聲納圖像的模擬具有重要意義。 -
Firstly, introduce the design of sonar display, trace - to - trace correlation and gray scale display, develop a new method of gray scale based on signal noise ratio. and next, discuss array signal processing and image processing in order to improve the display. finally, develop a software of sonar display simulator based on object oriented programming, with which the sonar display console is simulated and the performance of sonar signal is tested
本文工作圍繞如何提高聲納顯示效果，介紹了聲納顯示屏幕的設計方案，論述了「跡跡相關」技術、灰度顯示技術在聲納顯示中的應用，提出了基於信噪比的灰度級別劃分方法；結合陣列信號處理、圖象處理技術，本文引入了子帶峰值能量檢測演算法、圖象邊緣檢測演算法，進一步提高了聲納檢測性能；基於面向對象的程序設計方法，設計了聲納顯示平臺軟體，為模擬聲納顯示、檢驗聲納信號顯示性能提供了模擬環境。 -
At the same time the author makes a deep research into the serial communication of the controlling signals of the sonar, the dynamic displaying of the image as well as the image post - processing and classification for the sake of sonar intelligentizing and the computer aided classification
本文以投入正樣機研製的獵雷聲吶為背景，在著力解決工程實際問題的同時，對聲吶設備中控制信號的串列通信、聲納圖像的動態顯示以及後置圖像處理與識別做了較為深入的研究。 -
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。 -
The vision system and sonar system of hebut - 1 mobile robot is designed. the model of camera and the conversion from obstacle image coordinate into the world coordinate is completed, which the information of obstacle is converted into camera coordinate. therefore the different coordinate are unified. experiment on segmentation are done and a method of image segmentation based of his color threshold is used for mobile robot ' s obstacle image segmentation
設計了hebut -型移動機器人視覺系統和聲納系統。建立了移動機器人的攝象機模型，從而完成了世界坐標繫到攝象機坐標系的轉換，使障礙物信息成功地轉換到攝像機坐標系，完成了不同坐標系之間的統一。 -
The simulation of high - frequency multibeam sonar image is the main task in the dissertation
高分辨多波束聲納圖像的模擬是本文的主要任務。 -
The image registration was discussed the following three steps : initial registration, pre - filtering, sub - pixel registration. an adaptive range - filtering algorithm was proposed, which filters the different parts of object spectrum in master and slave synthetic aperture sonar images
干涉sas復圖像的配準按實際信號處理過程分三個步驟論述：初配準、頻譜預濾波和子像素級配準，其中針對預濾波提出了一種自適應的距離向頻譜濾波方法。 -
The thesis involves all - aspect of the signal processing of interferometric synthetic aperture sonar, especially in the challenging problems such as phase - preserved sas imaging algorithm, image registration, interferogram denoising filtering and two - dimensional phase unwrapping. in allusion to difficulties and emphases, some new methods are proposed. the study is important to prompt the development of interferometric synthetic aperture sonar in china
本論文對干涉合成孔徑聲納信號處理過程進行了全面的論述，對其中的關鍵技術如保相的二維成像演算法、復圖像配準、干涉圖降噪濾波和二維相位展開作了重點分析，並提出了一些新的方法，論文對推動我國干涉合成孔徑聲納信號處理技術的研究具有重要的意義。
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