雷達信號比對 的英文怎麼說

中文拼音 [léixìnháoduì]
雷達信號比對 英文
radar fusing
  • : 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
  • : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • 雷達 : [訊] radar (縮自 radio detection and ranging)
  • 比對 : sequence alignment
  1. By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw

    同時利用該方法解決了fmpcw的由於目標距離超過的最大單值測距范圍而引起的距離模糊問題。然後fmicw波形參數中最為重要的脈沖寬度進行了分析,給出了更為嚴格的約束條件,保證了處理后距離譜峰值的唯一性。最後,分別介紹了fmpcw和fmicw的不同處理方式,並兩者不同的時域濾波性能進行了較,並二者的差異進行了分析。
  2. Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation

    第三章虛假圖像干擾進行了研究,通過波束內兩個不同的點目標在同一時刻的回波進行的分析較,推導了干擾的生成公式,干擾的特徵作了詳細的分析,並結合實測數據做了模擬實驗。
  3. Wavelet packet transform is used to improve the snr of the incoherent integral radar echo, and bispectrum algorithm is used for signal detection in this united detecting algorithm, based on the modeling for the through - wall radar echo

    穿墻回波建模的基礎上,用聯合演算法將非相干累積后的回波經過小波包變換提高,再用雙譜演算法進行檢測。
  4. A new wavelet - bispectrum united detection algorithm is proposed to face with problems such as the complex structure and low signal to noise ratio of radar echo, when there exist difficulties in detecting impulses in through - wall radar systems

    摘要針沖擊體制穿墻系統中回波結構復雜、低、檢測困難等問題,提出一種小波雙譜聯合檢測新演算法。
  5. 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

    壓制式干擾來講,干越大,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象之間的距離的不確定性,帶來了干擾相位的不確定性,增加了分析干擾效能的復雜度。
  6. Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal

    考慮到目標息提取的相完整性,以高頻為背景,在多載波相位編碼脈沖串參數設計的基礎上,推導了三種多載頻相位編碼脈沖串的距離速度二維處理過程並相應的多目標噪聲環境進行了模擬;將多載波相位編碼與另外兩種距離高分辨:單載頻相位編碼和相位編碼階梯跳頻,在特性、處理過程和抗噪聲特性方面進行了;本文從理論上為多載波相位編碼的波形設計和分析、的處理打下基礎。
  7. Abstract : it is essential to research radar clutter with non - gaussian spectrum and non - r ayleigh distribution in modern radar design. based on spherically invariant rando m process ( sirp ), this paper applies a new algorithm to model the clutter with k d istribution in amplitude and any power density spectrum. at last it is proved tha t thi s method is correct and applicable with real simulative clutter and statistical detection result

    文摘:研究並模擬具有非瑞利幅度分佈和非高斯功率譜的雜波是現代處理中的一個重要的研究課題.文中基於球不變隨機過程( sirp )的建模方法,針實地採集的幅度滿足k分佈並具有有理功率譜的高解析度雜波,運用現代譜估計演算法其進行建模和模擬,並以模擬雜波與實際雜波的數據和統計檢驗的結果該方法進行了驗證
  8. In order to improve signal noise ratio ( snr ), wavelet denoising is used, and the radar in - pulse characteristics is extracted by wavelet - ridge, radar emitter signal sorting is realized by neural networks

    該方法首先接收到的進行小波去噪,到提高的目的,然後利用小波脊線法準確提取其脈內特徵參數,最後基於神經網路實現的分選。
  9. The pseudo - random fsk / psk multi - modulation signal and the partly - matched processing signal remain the information of the target of interest. compared with the other processing methods, the partly - matched procession could depict the target ' s information effectively, and could get a higher output snr under a noisy environment. in this dissertation, the deduction and the simulink on the computer of the average ambiguity function of the pseudo - random fsk / psk multi - modulation signal are presented. also, to the partly - matched procession, analysis in theory and simulink on computer are presented. the partly - matched procession applied in radar field is also discussed

    較其它處理方法,非完全匹配處理能有效的突出所觀測目標的息,以及在加噪情況下,其具有高的輸出。在論文中,偽隨機fsk / psk復合調制的模糊特性進行了推導與模擬,非完全匹配處理方法進行了理論上的分析以及計算機上的模擬驗證,討論了其在中的應用。
  10. Some functional blocks are set up with the basic block provided by spw, and some is programmed with c language. after the simulation of pulse compress mtd radar, the effect of some jamming signals is analyzed. especially, the jamming signal of high pulse repeat frequency is discussed

    完成脈沖壓縮mtd的建模以後,又討論分析了幾種常見的干擾式樣,如噪聲調幅干擾、噪聲調頻干擾等,著重討論了高重頻噪聲調頻脈沖的干擾效果,並幾種不同形式的干擾效果進行了較和分析。
  11. The following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed. the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins, gps, dvs, ads, mg, vg is designed, and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed

    主要研究工作有:研究了速率偏頻激光捷聯慣導的陀螺測量的解調演算法;設計了在速率偏頻激光捷聯慣導、 gps 、多普勒、大氣數據系統、磁航向儀及垂直陀螺配備條件下聯邦濾波組合導航系統,聯邦濾波器和集中濾波器的性能做了模擬分析;研究了適用於聯邦濾波器的系統級故障理論和方法;探討了利用速率偏頻激光捷聯慣導撓性捷聯慣導陀螺的混合測量息,通過神經網路實現硬故障交互檢測的方法。
  12. At last, in the circumstances of a wide - band radar is used for target detection, the length of received signal is much longer than that of the transmitted pulse signal. because the traditional matched filter collects only a small part of the energy of received signal, it is not good for detection. the generalized matched filter is obtained by improving the traditional matched filter and can collect all energy of received signal, which is good for detection

    最後,在寬帶條件下,發射脈沖的目標回波的時間長度要遠遠大於發射的時間長度,傳統的匹配濾波只能收集一部分回波的能量,這于檢測電磁散射較弱的目標是不利的,而廣義匹配濾波傳統的匹配濾波進行改進,可以將目標回波的全部能量收集起來以提高檢測性能。
  13. In this paper, grounded on the project of “ 973 ”. it includes specifically the study on the signal processing, and to multiple move targets resolving. plentiful simulations are presented to testify the validity of these techniques

    本文結合973項目,基於現代處理方法波束內多目標分辨方法進行了較深入的研究,並進行了大量的模擬實驗。
  14. Accomplish the liquid level measurement system design, and the selection and computation of key parameter. 2. accomplishing the design and simulator of the signal processing arithmetic, a curving arithmetic of increase the accuracy of the level measurement system is researched, and compared with maximum estimation at the same time

    本文所作的主要工作: 1 .根據液位測量系統的要求提出系統設計指標以及方案; 2 .提出了一種提高液位測量精度的擬合演算法,通過模擬計算將其與最大估值法進行較; 3 .設計差拍處理軟體處理演算法; 4 .利用c8051f02x開發板和自己開發的外部顯控終端板實現了處理樣機,處理演算法進行了驗證。
  15. ( 4 ) after factual characteristics of targets and clutter have been studied, an approach of radar signal detection based on factual has been given and analyzed deeply, the influence caused by different window length, signal to clutter ratio ( scr ) and clutter background has been analyzed, then the monte - carlo simulation method has been used to analyze the detection performances

    ( 4 )研究了目標和雜波的分形特性,深入研究了基於分形的檢測方法,分析了不同滑窗長度、不同和雜波背景變化情況回波分形維數的影響,採用蒙特卡羅模擬分析該檢測器的性能。
  16. Based on the normal equation algorithm to fir system identification and wavelet iteration, a method to estimate the wavelet from the third - order cumulant of field data is developed. due to the fact that higher order cumulant retains the phase information of the signal, and can suppress the gaussian noise ( color or white noise ) naturally, we can improve the time resolution via inverse filtering the wavelet estimated

    本文在基於高階累積量的fir系統辨識基礎上,利用觀測的三階累積量探地子波進行估計,提出一種簡單的迭代演算法改善了波估計性能,據此進行反褶積,改善反射和時間解析度。
  17. A new radar video simulator has been developed based on the analysis and compare of different simulators, which meets the demand of radar signal environment integrated simulation system. the architecture and functions of this radar video simulator have been analyzed. the design and realization of software and hardware of the simulation system is mainly discussed

    論文討論了模擬技術,分析了幾種常見的模擬器,在此基礎上提出了一種滿足環境一體化模擬要求的視頻模擬器的設計方案,確立了模擬器軟、硬體系統的功能與結構。
  18. Due to the higher demand of speed and precision of dsp, the intermediate frequency ( if ) digitalization receiver which is compared with analog system takes on the advantage of small volume, light weight, low cost, simple configuration, and easy integration. so that digitalization at if is current trend of communication and radar development, the traditional analog receiver is now being replaced by digital receiver gradually

    由於處理的速度、精度要求不斷提高,而中頻數字接收及處理系統與模擬系統相,具有易於dsp演算法編程實現、體積小,重量輕,造價低、結構簡單,易模塊化、系統配置更新快、維護升級方便等優點,所以,接收機及處理機的中頻數字化系統近年來備受重視,已經逐漸取代傳統的模擬接收機。
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