radar anti jamming 中文意思是什麼
radar anti jamming
解釋
雷達抗干擾-
Abstract : the main jamming and anti - jamming measure of ground to air missile system is analyzed in this paper. the evaluating model the performance of synthetic anti - jamming is proposed. moreover, the performance of synthetic guided radar is quantitatively evaluated
文摘:對地空導彈武器系統制導雷達面臨的主要干擾及其所採取的主要抗干擾措施進行了分析，建立了制導雷達綜合抗干擾能力評估模型，對制導雷達綜合抗干擾能力進行了評估。 -
Monopulse radar is widely used for its high angle measurement and powerful anti - jamming performance
摘要單脈沖雷達因其測角精度高，抗干擾能力強，使其得到了廣泛的應用。 -
The method can reflect the anti - jamming ability of the radar net under every situation, and is expected to provide an universal way for the evaluation of complex information system as radar net
該方法能夠全面地反映各種可能情況下雷達網的抗干擾性能，為雷達網這種復雜信息系統的性能評估提供了一種通用可行的思路。 -
At the beginning of 60 years, laser radar whose primary function is to measure distance appeared. developping for nearly half century, laser rader have been widely applied in many areas, especially in military application because of its particular merits such as high angle - solution, high - speed - solution, high - ditance - solution, nice - anti - jamming ability and good consealment. recently, in iraq war, the precision control and guide weapons depend on laser radar techniques embodied their powerful abilities. the laser radar technique is a very important part in u s military system
歷經半個多世紀以來，激光雷達以其高角解析度，高速度解析度，高距離解析度，強抗干擾能力，好的隱蔽性，以及出色的全天候工作能力在很多技術領域尤其是軍事領域中得到廣泛的應用。最近的伊拉克戰爭中，以激光雷達為依託的精確制導武器顯示出了其強大的作戰能力，激光雷達技術在美軍作戰系統中扮演著重要的角色。 -
By using optical cable communication methods, which have advantages of great information transmission capacity, rapid velocity, wide frequency band, strong anti - jamming capability, low circuitry loss and easy construction, modern sky - wave over - the - horizontal radar can achieve information transmission and system control of full coherent radar, which has excellent abilities of security, stabilization, anti - jamming and anti - destruction
通過採用光纖傳輸技術，利用其信息傳輸容量大，速度快，頻帶寬，抗干擾能力強，線路損耗低，易於施工等特點，實現全相參雷達的信息傳輸和系統控制，具有優良的保密性，穩定性、抗干擾性和抗摧毀能力。 -
Because of using spread spectrum technique, phase - coded radar has good anti - jamming capability and low probability of intercept property. so more and more attention has been paid to the research on it for military and civil application
相位編碼雷達採用擴頻技術使其具有良好的抗干擾能力和低截獲概率特性，因此在軍民兩用方面其研究日益受到人們的關注。 -
Detection performance and anti - jamming capability of phase - coded radar are also analyzed in this paper. the computer simulation shows that phase - coded radar has better property of suppressing jamming such as shortwave, gauss noise and binary phase code than lfm radar
本文還分析了相位編碼雷達的檢測性能和抗干擾能力，模擬結果顯示相位編碼雷達抗短波、高斯白噪聲、二相碼等干擾的能力優于線性調頻雷達。 -
Ultra - wide band ( uwb ) radar is paid more attention to due to its great capabilities in high range resolution, robust anti - jamming and low probability of interception
超寬帶雷達因其高距離解析度、強抗干擾能力、低截獲率等優異的性能受到越來越多的關注。 -
The thesis brings forward the scheme that combines polarization filter and side lobe canceller to improve the anti - jamming ability of radar
論文提出將極化濾波與旁瓣對消結合起來提高雷達抗干擾性能的方法。 -
Theoretical analysis and computer simulation prove that the scheme can overcome the signal effect and improve the anti - jamming ability of radar system. then as to the polarization radar, a scheme that deploys omnidirectional two - orthogonal - channel antenna array besides the main antenna is proposed
理論分析與模擬均驗證了，與常規旁瓣對消系統相比，該思路可以有效抑制目標效應，改善雷達系統的抗干擾性能。 -
The development of computer and the technology of the simulation advances the modeling and the technology of computer simulation, which make the computer simulation as an independent knowledge develop increasingly and used widely many kinds of research. this thesis researches the data processing and the display which is the part of the testing and evaluation for the performance of pd radar ' s jamming and anti - jamming with simulation in the pc. the whole project finishes the integrate model for researching the pd radar ' s system, jamming and anti - jamming, which is the first in the domain of electronic anti - jamming in our country
計算機和模擬技術的發展促進了建模和計算機模擬技術的迅速發展，使計算機模擬技術成為一門獨立學科得到日益發展，並廣泛應用於各種科學研究中，本論文是用pc機模擬研究pd雷達干擾和抗干擾性能評估中的數據處理和顯示控制系統部分，整個項目是我國電子對抗領域首次完整地為研究pd雷達系統及其干擾和抗干擾性能評估所建立的基於pc機的模擬研究平臺。 -
On the basis of analyzing and studying the anti - jamming principle of ground surveillance radar net and existed evaluation methods, a comprehensive evaluation method for the anti - jamming ability of a radar net is presented according to the principle of information, and the correspondence model is given
摘要在分析研究地面防空雷達網抗干擾原理及現有綜合評估方法的基礎上，根據信息原理提出了一種綜合評估雷達網抗干擾性能的方法，並給出了相應的數學模型。 -
The low probability of intercept ( lpi ), the ability in super - resolution and anti - jamming of ultra - wide band radar challenge to the traditional receivers
超寬帶雷達具有低截獲性及抗偵察、抗干擾、抗摧毀等性能，對傳統的偵察體制提出了巨大的挑戰。 -
In order to improve the anti - jamming ability of phased array radar system, wide signal bandwidth is needed
為了提高相控陣雷達系統的抗干擾能力，相控陣雷達必須具有盡可能大的帶寬。 -
Then on one hand, author makes researches of anti - jamming against pulse jamming 、 gauss white noise jamming and radio frequency noise jamming from the side of signal processing. author exercises much signal processing knowledge of time - domain sliding window accumulation 、 wavelet analysis 、 time - frequency analysis and linear prediction and carries out many simulation experiments. on the other hand, author proposes the anti - jamming methods of using a sar similar to double - base radar and modulating the amplitude 、 the phase of emission signal and changing the frequency modulation slope from the side of changing sar system model
作者首先提出了合成孔徑雷達抗干擾的定義、分類以及評價抗干擾方法好壞的主客觀標準；然後，一方面從信號處理的角度出發對脈沖式干擾、高斯白噪聲干擾以及射頻噪聲干擾進行了抗干擾研究，其中運用了時域滑動窗口積累，小波分析，時頻分析以及線性預測等信號處理知識，做了大量的模擬實驗；另一方面，本文基於改變合成孔徑雷達系統模式提出了利用類似雙基地雷達來抗干擾，以及對發射信號進行調幅、調相以及改變調頻斜率來抗干擾，同樣做了相應的模擬實驗。 -
In this dissertation, first, the basic conceptions of ew, radar ew and combat effectiveness are made clear about internal characteristics, consist and tasks. then, the evaluation factors architecture of radar ew system combat effectiveness is set up, which is the base of quantificational evaluation. second, mathematics modeling of radar ew reconnaissance, radar jamming and anti radiation attack are constructed
本論文的研究首先從電子戰、雷達對抗、武器裝備作戰效能的基本概念出發，理清其內涵、特點、組成、任務，從而建立以能力為主線的雷達對抗系統作戰效能評估指標體系，為定量評估系統作戰效能奠定基礎;然後分雷達偵察、雷達干擾、反輻射攻擊分別對雷達對抗系統武器裝備的電子偵察能力、電子干擾能力、電子進攻能力進行數學建模，進而建立系統綜合對抗能力數學模型，為系統模擬建立設計基礎。 -
After analyzing the difficulties that lies in comprehensive evaluation of the anti - jamming ability of radar net, the paper discusses the probability of solving the problem using the excellent non - linear function approaching speciality owned by bp neural network, and analyses various problem that required to pay attention to during the modeling and evaluating process, emphasizes particularly on determining the input index aggregate together with output index aggregate and training arithmetic and validation when constructing the evaluation model, the potential use of established model is also probed into
摘要在分析目前綜合評估雷達網抗干擾性能時遇到困難后，探討了利用bp人工神經網路良好的非線性函數逼近特性來解決這一問題的可行性，並分析了在用這種方法建模評估的過程中需要注意的各種問題；其中側重對在具體構造評估模型時輸入輸出評估指標集的確定方法和模型的訓練驗證方法進行了研究，並進一步分析了建立的模型可能的用途。 -
With the development of science, new method is used in fighter plane and missile design, and new material is used in fighter plane and missile production, which make them have higher speed, higher maneuvering, smaller radar cross section and better jamming and anti - jamming ability. all these development is a big challenge to surface - to - air missile and makes the battlefield environment more complicated
隨著科技的進步，新技術、新材料的大量應用，使作戰飛機和戰術導彈具有更快的飛行速度，更好的機動性能以及更小的雷達反射面積;同時，電子對抗技術的廣泛使用，這些都給防空導彈帶來了巨大挑戰，使地面防空變得日趨復雜。
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