sonar detection 中文意思是什麼
sonar detection
解釋
聲吶探測-
The research work of the dissertation includes the following two parts : researching the passive ranging technology of three elements dissymmetrical array and developing system software of the sonar pulse detection module
本論文的研究工作分為兩個部分：三元非對稱陣被動測距技術研究和聲吶脈沖偵察模塊系統軟體的研製。 -
Modern sonar systems generally use hydrophone arrays and advanced signal processing techniques to improve their detection and localization abilities, whereas beamforming plays an important role. as it is known, the conventional beamforming approach provides limited array gains and low interference suppression abilities, and cannot resolve multi - targets distributed within a small spatial region
但是，傳統的波束形成方式所提供的陣增益有限，對干擾的抑制能力不強，且不能分辨空間小角域內的多個目標，影響了聲吶系統整體性能的發揮。 -
Detecting sonar pulse transmitted by an active sonar, it is called " sonar pulse detection "
聲吶脈沖偵察是利用目標主動聲吶發射的脈沖信號來探測目標的技術。 -
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。 -
Sonar is a term that refers both to the application of underwater sound to the detection and location of objects in the sea and to the apparatus used in such application
聲納有雙重意義，一方面指的是運用水面下的聲音來探測並定位海中物體，另方面則是指探測時所用的儀器。 -
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。 -
Supported by a project, this thesis presents the technology about passive sonar display and signal detection in design of the sonar display console
本文結合工程項目的需要，介紹了在設計被動聲納顯示平臺中所使用的信號檢測技術和顯示處理技術。 -
( 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。 -
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。 -
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。 -
Some techniques about adaptive line enhancer ( ale ) are introduced in this thesis, which are used in active sonar to improve its detection performance
本論文著重對自適應線譜增強器（ ale ）應用於主動聲納信號檢測的問題進行研究，以期改善主動聲納的檢測性能。 -
The key point of the research is that, although the detection performance of sonar signal processing subsystem has been optimized, there is still a space of improvement which can be achieved by the means of display and post - processing
本文的設計思想是在聲納信號處理系統的基礎上，通過聲納顯示技術和亮度調制信號的檢測技術，進一步提高信噪比，改善聲納檢測性能。 -
In the thesis, a series of real - time system software of sonar pulse detection is developed on an improved hardware system
本論文在改進的聲吶脈沖偵察模塊硬體系統的基礎上，開發了一套實時系統軟體。
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