有源雷達系統 的英文怎麼說
中文拼音 [yǒuyuánléidáxìtǒng]
有源雷達系統
英文
active radar system- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 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...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 有源 : [電學] active有源電路 active circuit; 有源器件 active device; 有源天線 active antenna; 有源衛星 active satellite
- 雷達 : [訊] radar (縮自 radio detection and ranging)
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
-
Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced
混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微波測量系統中至關重要的部件。在現代通信系統中,毫米波頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻段,同頻段高性能的本振源成本高,技術難度大,採用分諧波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。Avionics self - protection system is a subsystem of the advanced avionics system, which has the main functions to find hostile radar - guided weapons system and infrared - guided weapons system by using the mothed of radar reconnaissance. and then to countermeasure enemy ' s radar - guided weapon system and infrared - guided weapons system by adoptinging those measures of electric - magnetic jamming ( active countermeasures ), chaff cloud deception jamming ( passive countermeasures ) and ir decoy deception jamming ( passive countermeasures ) so as to protect our airplanes from the hostile attacks this paper have researched deeply for the integrated mode of avionics self - protection system
航空自衛系統是先進航空電子綜合化系統的一個分系統,其主要功能是通過雷達偵察方式發現敵方雷達制導武器系統和紅外製導武器系統,並通過實施電磁干擾(有源干擾) 、箔條雲欺騙式干擾(無源干擾)和紅外誘餌欺騙式干擾(無源干擾)對抗敵方雷達制導武器系統、紅外製導武器系統,保護我機免受敵方武器系統攻擊。The subject comes from the cooperation project “ x waveband sar receiver ” between chengdu sine science & technology ltd. and the uestc. the auther is responsible for the demonstrability of the rf receiver and the implemetaion of the lna in the system
本項目來源於電子科技大學成都賽英科技有限公司與電子科技大學的合作項目「 x波段合成孔徑雷達( sar )接收機」 ,筆者進行了該接收機系統方案的論證及接收機前端低噪聲放大器( lna )的研製。The validity problem of active multi - decoy to ground base radar system is studied
摘要研究了有源多假目標等欺騙性電子干擾對地基防禦雷達系統的有效性問題。Passive detecting and tracing is a promising way to overcome these problems. infrared targets detection is a critical issue in the passive infrared detection system, while infrared weak and small targets detection is one of its core
無源或被動探測跟蹤技術是解決雷達對抗威脅有希望的途徑,其中利用紅外探測和跟蹤系統進行防禦是一個重要方向,紅外弱小目標檢測是被動紅外探測系統的關鍵技術。The high power active feed network is more and more used in the satellite - borne phased - array radar
摘要大功率有源饋電網路收發系統越來越多地運用於相控陣雷達衛星中。To improve anti - jamming technique by spread spectrum close to monochromatic frequency, so that enhance the ability of anti - active - jamming and anti - passive - jamming, anti reconnaissance, anti - radiation missile, anti - stealth, by means of multi frequency spread spectrum and hopping spectrum instead of mono - frequency spread spectrum, realizing strong processing system for anti - interference signal, providing the method of generating of chirp signal and corresponding matched filter system
摘要為改進線性調頻雷達系統所採用的在單色頻率點附近擴譜抗干擾技術,加強制導雷達站具備抗有源、無源干擾,反偵察,抗硬殺傷的反幅射導彈和反隱身的能力,通過將單頻點擴譜改為多頻點擴譜跳譜,實現了高抗干擾信號處理系統,給出方案中在中頻段實現的線性調頻信號產生方法以及對應的匹配濾波處理系統。Once stored, the signals can be transcribed back into an exact replication of the original signal whenever desired. ultra high speed data acquisition is the main technique in drfm. the most common use of the drfm is for replication of complex, coherent signals usually representing radar return signals
數字射頻存儲器是現代電子對抗系統中有源雷達干擾機的主要組成部分,用於將接收到的雷達信號的精確的復制信號返回該雷達系統,以此來混淆該系統。Angle measuring precision phase sum / difference mono - pulse radar receiver is not only related to accurate strike to target, but also the base of successful penetration of interceptor missile for tbm anti - guidance system using two point sources of correlation, which is one of radar angle fraud technologies. thus, research on technical criteria influencing angle measuring precision of receiver is meaningful
相位和差單脈沖雷達接收機的測角精度,不僅關繫到是否能精確地打擊目標,而且是tbm反制導系統利用相干兩點源雷達角欺騙技術,成功突防攔截導彈的基礎,所以對影響測角精度的接收機各項技術指標進行研究具有重要意義。T / r module is a functional module for the new radar, that is active phase control array radar, and t / r nodule system - integrates high frequency switches, phase shifter, lna and power amplifier, etc. if using low cost thick film technology to manufacture t / r module, it will be benefit to accelerate the applicants and development of the active phase control array radar
T r模塊是實現新型雷達? ?有源相控陣雷達需求的功能模塊,它系統地集成高頻開關、限幅器、移相器、 lna及功放等。利用厚膜的廉價成膜工藝技術製作t r組件模塊,則有利於加速有源相控陣雷達的應用與發展。The polarimetric information in the target scattering signal has great potential on target detection, enhancement, filtering and recognition. some novel techniques can be proffered for detecting concealed targets, weakening the influences of adverse em environments, confronting active jamming and recognizing targets. basic theory of radar polarization is studied firstly
雷達目標散射信號中的極化信息在目標檢測、增強、濾波及識別中有著巨大的應用潛力,為雷達系統在反隱身、削弱惡劣電磁環境的影響、對抗有源干擾和識別目標等方面提供了新的技術途徑。In order to improve snr of seismic signal for controlled vibroseis in seismic exploration, a set of phased array vibroseises is developed for generating directional seismic wave by controlling differences of phases between neighboring vibroseises, and a special seismic signal detection method for phased array vibroseises is proposed
摘要為提高可控震源地震信號的信噪比,將雷達系統的相控陣技術應用於可控震源地震,通過控制相鄰震源的相位差恆定,使地震波能量集中,產生定向地震波束,加強有用信號的強度,從而提高了地震信號的信噪比。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。Then, a novel polarization discrimination algorithm of active multi - decoy and radar target is designed and computer simulations indicated that ground - base radar system is possessed of the discriminatory ability of active multi - decoy and radar target
在此基礎上,設計了有源多假目標的極化鑒別演算法,計算機模擬表明,具有極化測量能力的地基防禦雷達系統具有對有源多假目標進行鑒別的能力。Enticing system of two - points is a radiant point disturbing system that use radiant point disturbing mode and the defects of anti - radiation missile ( arm ) to disturb prs ( passive radar seekers ) of arm, accordingly, realize the aim of protecting the main fighting radar
摘要兩點源誘偏系統是應用有源干擾的方式,利用反輻射導彈( arm )本身的缺陷來對反輻射導彈的導引頭進行干擾,從而達到保護主戰雷達目的的一種有源干擾系統。A monolithic microwave integrated circuit ( mmic ) is a microwave circuit in which the active and passive components are fabricated on the same semiconductor substrate. mmic, having advantages of small size, light mass, high reliability and excellent reproducibility, finds use in a variety of microwave system, especially in airborne radar and space applications
單片微波集成電路( mmic )是將有源元件和無源元件都集成在同一個半導體襯底上的微波電路;具有尺寸小、重量輕、可靠性高、生產重復性好等優點,廣泛應用於各種微波系統,特別是機載雷達和衛星通信等方面。The dissertation also gives the simulation results, and the results show that the design can save cost, can utilize resources more sufficiently, further more, and at the same time, it can satisfy the system desire more compactly and more efficiently. this design is to be put into wide usage in radar data transmission
結果表明此設計節省了成本,更充分的利用了資源,更緊湊更高效的實現了系統要求,在雷達數據傳輸中應用前景廣泛。本文完成的主要工作有以下幾個方面: 1 .根據課題的具體要求,選擇合適的晶元,完成原理圖的設計和pcb板圖的繪制。分享友人