sonar target 中文意思是什麼
sonar target
解釋
聲吶目標-
Eradiate noise recognition obtains feature information of movement under - water target, which is produced by passivity sonar, and then decides its category by referring to a priori knowledge
本文的研究方法是從目標產生的輻射噪聲中提取出目標的特徵信息，結合已有的先驗知識，對目標的類別做出判斷。 -
Implementation methods of target motion analysis for sonar
聲納目標運動分析的實現方法 -
( 4 ) applying measurement noise automatic weighting kalman filter to the guidance of line - guidance torpedo, we compromised target information and torpedo information, which in turn come from sonar of guidance station and inertial measurement units of torpedo
（ 4 ）將多傳感器量測噪聲自動加權卡爾曼濾波應用在線導魚雷制導中，融合來自製導站聲納測量到的目標信息和來自魚雷慣性測量組件的魚雷位置和姿態等信息進行了模擬研究。 -
Research on technique of passive sonar target recognition based on line spectrum feature extraction
基於線譜特徵提取的被動聲納目標識技術研究 -
Research on technique of passive sonar target recognition based modulation line spectrum feature extraction
基於調制線譜特徵提取的被動聲吶目標識別技術研究 -
Detecting sonar pulse transmitted by active sonar, it is called " sonar pulse detection ". the main task of it is to measure the working parameter of active sonar and track the target
聲吶脈沖偵察的主要任務是偵察目標主動聲吶的工作參數，對目標實施跟蹤，是利用目標主動聲吶發射的脈沖信號來探測目標的被動測距技術。 -
Evaluation was conducted at the basic point of efficiency of observational system, and expressed by probability of intercepting and capturing target by sonar equipment of submarine, which provided scientific foundation for organizing and commanding of missile attack about submarine
具體指示效能評估在觀察系統效能評估的層面上進行，用水聲設備截獲被打擊目標的概率來表示，為保障潛艇導彈攻擊目標指示組織指揮提供了科學的依據。 -
With the development of reducing noise technology and the advent of quieter targets, sonar faces up to the challenge of low signal - to - noise ratio detection while high detection performance is demanded by weapons ' s increasing range. moving target detection is two of first and last of sonar " four main tasks : detection, loacalization, classification and tracking / motion analysis of targets, which is the base of other two functions
隨著降噪技術的發展，安靜型目標的出現，聲納技術面臨低信噪比的挑戰，武器射程的增加又對聲納提出了更高的要求，關繫到聲納的四大功能（檢測、定位、識別和跟蹤/目標運動分析）第一和第四個的運動目標檢測任務重大，因為它對其餘兩個起著基礎性的指導作用。 -
The main function of the module is as follows : it can detect the cw signal transmitted by the active sonar, and measure the frequency of target signal and the direction of target. it can execute the tracking order sent by the display and control platform, and track the searched target, measure the target signal repetition intervals and target distance, and give the reliability of estimated distance
該軟體的主要功能包括：對主動聲吶cw脈沖信號進行檢測，測量目標信號的中心頻率，測定目標的方位；執行顯控臺跟蹤命令，對搜索到的目標進行跟蹤，測量目標信號的重復周期，測定目標的距離，給出距離測量值的置信度。 -
The research results show that the target strength and reverberation of bistatic sonar are different from those of monostatic sonar
研究表明，在雙基地條件下，受雙基地幾何關系影響最大的是目標強度和混響。 -
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 main task of it is to measure the working parameter of active sonar and track the target
其主要任務是偵察目標主動聲吶的工作參數，對目標實施跟蹤。 -
( 2 ) in order to do more study in sonar localization, detection, estimation, it is necessary to study the special and temporal distribution characteristic of the reverberation, that is the target strength in the negation not incidence direction. in the third chapter, the scattering character principle of bistatic sonar is given
2 ）為了更深入的研究多基地聲納的定位、檢測與估計等關鍵技術，對多基地條件下，目標回波的時間和空間分佈特性，即非入射方向目標的聲散射特性進行深入的研究是十分必要的。 -
Active detection systems, such as radar and sonar, have encountered more and more threaten in modern electronic warfare and information warfare. passive location and tracking system, which uses electromagnetic wave emitted by target, has been proved its merits of self - hiding and far - distance detecting and becomes more and more important
現代電子戰和信息戰條件下，雷達和聲納等有源探測系統受到越來越多的威脅，利用目標輻射電磁信息的無源定位系統由於其自身隱蔽和探測距離遠等優點而日顯重要。 -
The acoustic 3d imaging sonar can obtain the 3d slice images by the receiving sound signals. so the underwater intelligent robot can identify and classify the detected target. in this paper, the hardware system of the underwater receiving unit of the acoustic 3d imaging sonar is researched and implemented
水下三維聲成像聲納通過獲取水下目標的三維聲信息，並在此基礎上提取出目標的三維切片聲圖像，實現對探測目標的三維識別和分類，從而完成聲視覺的任務。 -
An experiment on the module is carried out with the target simulator atanc, and the experiment results show that the performance of sonar pulse detection module is good enough
所研製的聲吶脈沖偵察模塊用目標模擬器（ atanc ）進行了陸上聯調實驗，實驗結果驗證了聲吶脈沖偵察模塊的優良性能。 -
An experiment on the module is carried out with the target simulator atanc, and the experiment results shows the performance of sonar pulse detection module is good enough
所研製的聲吶脈沖偵察模塊用目標模擬器（ atanc ）進行了陸上聯調實驗，實驗結果驗證了實時處理聲吶脈沖偵察模塊性能優良。 -
In this paper, an intensive study of the cruces technical of the multistatic sonar have been made from the point of multistatic geometry. the bistatic sonar localization and sound scattering of underwater target have been thoroughly studied. the bistatic scattering experiments have been carried through in tank
本文依據多基地聲吶的工作特點，對多基地聲吶應用中的關鍵技術進行了研究，給出了有關多基地聲吶定位和多基地目標聲散射特性的研究方法；並通過模擬，對各種方法進行了性能評估和比較；最後通過水池實驗，給出了多基地聲吶目標特性研究的實驗結果。 -
Thirdly, the neural network method is extended into multistatic sonar localization. the error figure of the method is described. ( 5 ) in order to investigate the localization, detection and estimate, the sound scattering mechanism of underwater target for multistatic sonar should be fully understood
5 ）為了更深入的研究多基地聲吶的定位、檢測與估計等關鍵技術，對多基地條件下，目標回波的時間和空間分佈特性，即非入射方向目標的聲散射特性進行深入的研究是十分必要的。 -
Taking underwater sensor and sub sonar as an example, a new underwater system of passive target motion analysis ( tma ) is designed
摘要針對水聽器與艇載噪音聲納構成的系統，提出了一種新的水下被動目標運動分析方法。
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