雷達干擾帶 的英文怎麼說
中文拼音 [léidágānrǎodài]
雷達干擾帶
英文
window- 雷 : 1. (雲層放電時發出的響聲) thunder 2. (軍事上用的爆炸武器) mine 3. (姓氏) a surname
- 達 : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
- 干 : 干Ⅰ名詞1 (事物的主體或 重要部分) trunk; main part 2 (幹部的簡稱) short for cadre Ⅱ動詞1 (做...
- 擾 : Ⅰ動詞1 (擾亂; 攪擾) harass; trouble 2 (客套話 因受人款待而表示客氣) trespass on sb s hospital...
- 雷達 : [訊] radar (縮自 radio detection and ranging)
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It can provide more information, better real time and stronger anit - jamming than radar, also it has other virtues such as transmitting over obstacles. in a word, ais can bring the revolutionary progress to the supervision of the vessels navigating in the sea
它與當前的雷達相比具有提供信息量大,實時性好(適用於高速船) ,抗干擾能力強和越障礙傳輸等優點, ais系統將會給海上船舶監視帶來革命性的進步。When blanket jamming is used, the more the ratio between the power of jamming and the power of signal, the less detection probability of the radar is. the effect of distributed jamming mainly depends on the total power. after distributed, the randomicity of distance and phase of jamming source bring difficulties to analysis
對壓制式干擾來講,干信比越大,雷達的發現目標的概率就越小,由於分散式干擾的干擾效能在於其合成功率,在分散式干擾單元分佈之後,各個干擾源與被干擾對象之間的距離的不確定性,帶來了干擾信號相位的不確定性,增加了分析干擾效能的復雜度。Radio - frequency noise jamming is an effective jamming to pulse compressed ( pc ) radar. it shows the best jam quality when it ' s bandwidth equals to the jammed signal ' s bandwidth and it ' s central frequency equals to that of the jammed radar ' s receiver
射頻噪聲干擾對脈沖壓縮雷達是一種有效干擾,在其帶寬等於雷達信號帶寬,中心頻率對準雷達的中心頻率時具有最佳的干擾品質。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。First, this paper research and analyze the feature of signal of pulse doppler radar, and the mathematic model of radar is constructed. the several interference methods that narrow - band suppressing interference, range deception interference and velocity deception interference are discussed. and interference ability is evaluated and simulated
研究和分析脈沖多普勒雷達信號特徵,建立了該種雷達的數學模型,並討論對脈沖多普勒雷達的窄帶噪聲壓制式干擾、距離欺騙干擾、速度欺騙干擾等幾種干擾樣式,並進行干擾性能評估和模擬研究。Due to restriction with the array aperture transition time, traditional phased array radar works under relative narrow signal bandwidth, so this restricts the application of phased array radar in the field where high performance is demanded. however, optically controlled phased array radar ( ocpar ) adopts the photoelectron technology, counteracts the aperture transition time via the method of optical true time delay ( ottd ), so it can realize wide instantaneous bandwidth and squint - free operation ; meanwhile, it can realize the miniaturization of phased array radar and has super anti - electromagnetism interference capability
而光控相控陣雷達採用光電子技術,通過光實時延遲的方法來抵消孔徑渡越時間,可以實現相控陣雷達的寬帶寬角掃描;同時也可以使得相控陣雷達小型化,並具有強的抗電磁干擾的能力;另外,由於光纖傳輸具有損耗低、頻帶寬等固有優點,採用光纖連接雷達天線和雷達控制中心,可以使兩者的距離較採用同軸電纜有較大的提高,更有利於保護雷達控制中心。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 fourth section studies the modeling of broad band blocking jamming and coherent jamming, and analyses the principal of coherent jamming and the factors of influencing the jamming effect is provided. the performance of pulse doppler radar seeker is simulated when certain jamming methods is exerted. a pulse doppler radar seeker simulation system is established, by using the simulation system the performance of pulse doppler radar seeker is evaluated when jammed
第四部分研究了寬帶阻塞式干擾和相干干擾的建模問題,並分析了相干干擾作用原理,給出了影響干擾效果的主要因素及次要因素,模擬了脈沖多普勒雷達導引頭在寬帶噪聲干擾情況下的截獲和跟蹤性能,模擬了相干干擾對脈沖多普勒雷達導引頭跟蹤性能的干擾效果。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。分享友人