相對運動雷達 的英文怎麼說

中文拼音 [xiāngduìyùndòngléidá]
相對運動雷達 英文
relative motion radar {= rm radar
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 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...
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  1. Different from detecting space of land - based radar which has relative unchangabledetection space, aew radar ’ s detecting space changes with the carrier ' s patrol line. what ’ smore, because of both movements of carrier and targets, aew radar will detect targets whichwere out of its coverage

    地基雷達的探測空間是相對固定的，而機載預警雷達的探測范圍隨載機航線的變化而變化;由於載機和目標同時都在運動，使得某一時刻在載機探測范圍之外的目標也可能在後來的飛行過程中被探測到。
  2. Clinical study on dengzhan xixin injection combined with photon - autotransfusion therapy in treating diabetic peripheral neuropathy

    脈沖相干激光雷達對運動目標成像模擬
  3. To improve this ability, a higher cross - range resolution is needed. an inverse synthetic aperture radar ( isar ) achieves high resolution in the cross - range dimension by taking advantage of the motion between radar and targets to synthesize the effect of a larger antenna aperture

    逆合成孔徑雷達（ inversesyntheticapertureradar ，簡稱isar ）信號處理對接收到的運動目標的回波信號進行相干處理，等價成一個大口徑天線，很大程度上提高了方位向距離分辨力。
  4. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  5. The motion compensation of radar target and an analysis of influence of component imperfection in the realization of the method are presented. to evaluate the performance of the proposed method. monte carlo simulation has been conducted to estimate the root mean square error of the angle estimates and the spatial resolution snr threshold in the cases of both non - fluctuating targets and fluctuating targets

    在此基礎上，提出了針對相位權重角度超分辨法的雷達目標的運動補償方法，分析了雷達系統各部件的不理想性對超分辨性能的影響，用montecarlo方法對無抖動目標和有抖動目標在不同信噪比下的方位估計誤差和方位超分辨的信噪比門限進行了模擬計算，並將結果同波束空間music方法及cramerrao限進行了比較。
  6. Because of the phase errors caused by aircraft ' s motion errors, accurate motion compensation should be applied to get high resolution, high contrast and low geometric distortion sar images

    因為由雷達載機運動誤差帶來的相位誤差，為了獲得高分辨力、高對比度、小幾何變形的圖像，就需要進行精確的運動補償。
  7. The method combining digital filter and ship - dynamic compensation is used to realize the precise motion - target tracking on the condition of ship - motion which causes the target relative motion and the results coming from real system test prove the effectiveness

    針對甲板運動所造成的目標的相對運動和牽連運動，採用數字濾波與動態補償相結合的方案，實現了艦船搖擺情況下跟蹤雷達對運動目標的精確跟蹤，並經實踐驗證后裝備于某型跟蹤雷達。
  8. The jamming of multiple noise and the polynomial phase modulation caused by non - uniform relative motion are the main problems in mmw doppler guidance radar signal processing

    乘性噪聲的干擾和非勻速相對運動所引起的多項式相位調制是毫米波多卜勒制導雷達信號處理中所面臨的主要問題。
  9. Among the different imaging algorithms, the range - doppler fft ( r - d fft ) algorithm, based on range - doppler theory, in which the fast fourier transform ( fft ) is employed to reduce compute burden, is widely used in various imaging radar because it can be easily realized in real - time application

    陸基成像雷達（ gbr ）作為isar成像技術的重要應用，其觀測目標具有速度快，慣性大，運動相對平穩等特點，針對這些特點，本文對isar成像運動補償方面作了較為深入的研究。
  10. During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched

    為了分析主動探測空間動態性能，本文首先提出以「目標進入雷達覆蓋區概率」 （簡稱為「覆蓋率」 ）作為評價指標;然後將三維探測空間轉換為不同高度層對應的水平探測圓，針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形，採用相對運動的方法，分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;再運用蒙特卡洛法進行模擬計算，分析並比較目標服從均勻分佈時航線橫比、航線縱比及速度比對性能的影響。
  11. Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing, pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction. ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain. ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain

    通過大量的理論分析和模擬實驗，得到了一批具有一定價值的結論：從信號處理的角度出發，對于脈沖式干擾，能夠運用時域滑動窗口積累的方法去掉，並且通過預測插值得到較好的恢復；對于高斯白噪聲干擾，在時頻變換域內應用時頻分析方法可減小其對分散點目標的干擾；對于射頻噪聲，通過平均距離頻頻法和頻域陷波的方法可以去掉；從改變合成孔徑雷達系統角度出發，類似雙基地雷達能夠避免各種干擾，對發射信號進行調幅，調相以及改變調頻斜率都是較好的抗干擾方法。
  12. Radar imaging of ocean - going ships is difficult to get good images because of the complicated relative motion, so time - frequency analysis is performed for ship imaging with the isar real data in chapter 3

    由於雷達與艦船之間相對運動的復雜性，直接成像得到的圖像質量較差，論文第三章用時頻分析的方法，對實測數據的艦船成像進行了研究。
  13. Inverse synthetic aperture radar ( isar ) imaging of non - cooperative maneuvering multi - target is a challenging task due to its time varying orientation and the relative motion among targets

    摘要非合作的機動多目標相對于雷達射線的姿態是時變的，而且目標間可能存在相對運動，給逆合成孔徑雷達（ isar ）成像造成較大困難。
  14. The influence of high velocity has been analyzed and then the relative ways of compensation are introduced. from theory the influence of spinning motion which bring to the targets " one - dimension range - profile has been analyzed. the arithmetic of estimation of signal with polynomial phase is introduced and then spin compensation is realized

    本文以寬帶線性調頻體制雷達為研究背景，以高速運動目標、自旋運動目標為研究對象，研究了高速運動對目標成像所造成的影響，提出了相應的補償演算法；理論分析了目標自旋對一維距離像的影響，引入多項式相位信號系數估計的演算法，實現了目標旋轉補償。
  15. The computer model of moving target and the affection of moving target upon sar are also discussed ; similarly the simulation result of the moving point target based on the model is present too

    然後，詳細地討論了合成孔徑雷達運動目標的回波模型，以及目標運動對成像的影響，並進行了相應運動點目標的回波模擬。
  16. Measured result shows that the doppler radar signal we get in the self - oscillating mixer based doppler radar is about 400hz which matches well with the velocity of a moving object. the best conversion loss in fmcw system measures - 10db which is similar to the simulated result

    通過對自振混頻技術在多普勒雷達中應用的測試，得到多普勒回波信號的頻率為400hz ，運動速度可以計算為6m / s ，與實際物體的運動速度相吻合。
  17. These phase errors cause smearing in the image. if we can measure these errors we could find the moving target. in the preface to the article, the development of gmti technique in the field of sar are introduced briefly

    對于高分辨合成孔徑雷達（ syntheticapertureradar ， sar ） ，運動目標在其回波信號中產生額外的相位誤差，造成能量分散和圖像模糊，因此我們若能夠檢測出這個相位誤差就可以檢測到相應的運動目標。
  18. The motion of a moving target relative to the radar can be decomposed into two parts : the translational motion of a reference point in the target and the rotational motion of others about the reference point

    目標和雷達的相對運動可以分解為目標上的參考點相對于雷達的平動以及目標繞參考點的轉動。其中只有轉動分量對成像有貢獻，平動分量對成像無用而有害。
  19. Doppler radar is wide used, which utilizes the doppler shift between the target and radar to get the target information and process it. doppler radar has high performance on differentiating velocity, and it can efficiently solve the interference of the ground clutter to get the target echo from bad environment

    多普勒雷達是一種廣泛採用的全相參體制的雷達，它利用目標與雷達之間相對運動而產生的多普勒效應進行目標信息提取和處理，具有較高的速度解析度，可以有效地抑制雜波，能在較強的雜波背景中分辨出動目標回波。
  20. The airborne isar imaging of ship target depends on the ship ’ s rotation relative to the radar line of sight ( rlos ). this rotation has two sources : one originates from the relative movement between the radar and the ship. the other comes from the ship sway ( roll, pitch and yaw )

    機載isar對艦船成像依靠艦船與雷達視線（ rlos ）之間的相對轉動，它由飛機與艦船航行引起的相對運動和海浪作用下艦船自身搖擺（橫搖、縱搖、偏航）產生的轉動組成。
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