doppler radar system 中文意思是什麼

doppler radar system 解釋
多普勒雷達系統
  • doppler : 多普勒效應
  • radar : n 〈美國〉【無線電】 〈radio detecting and ranging 之略〉 雷達，無線電探測器 （＝〈英國〉 radiolo...
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. Through utilizing the shift multiplication characteristics of m series, this kind of radar system eliminates the bad effect of doppler frequency. in theory, the doppler tolerance of the radar system can reach the half of the code rate with proposed echo pretreatment method in this paper

    從理論上說，應用於該雷達系統的信號處理方法可以使得雷達系統的多普勒容限達到偽碼子碼重復頻率的一半，從而使偽碼調相雷達可以有效地發現高速目標。
  2. Doppler radar navigation system

    都卜勒雷達導航系統
  3. This thesis discusses the pulse doppler ( pd ) weather radar signal processing system including digital intermediate frequency ( if ) receiver, especially on the application of if sampling and digital demodulation technique in pd weather radar signal processing system, the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation, ground clutters elimination algorithms and a typical engineering realization scheme of pd weather radar signal processing system

    本論文研究的是採用數字中頻接收技術的脈沖多普勒氣象雷達信號處理系統，重點研究了中頻采樣及數字解調技術在脈沖多普勒氣象雷達信號處理系統中的應用、正交雙通道幅相不平衡對氣象回波譜估計的影響、地雜波濾波演算法，以及脈沖多普勒氣象雷達信號處理系統的具體工程實現。
  4. This method offers more precise geometry for spaceborne sar system design and simulation. 3. in the analyzing on the radar doppler properties, under the ellipsoid earth model and ellipse orbit model, considering the earth rotation, the radar doppler properties with different orbit eccentricity are compared, and the fact that orbit eccentricity affects doppler frequency rate is found

    在雷達多普勒特性分析中，論文採用橢球地球模型和橢圓軌道模型，結合地球的自轉，通過不同偏心率下雷達多普勒特性的比較，研究了軌道偏心率對合成孔徑雷達系統設計與模擬軟體研究雷達多普勒調頻斜率的影響。
  5. Combined with the key project of the preliminary research of national defence science and technology, the target recognition system for millimeter wave initiative homing guidance, a systematic study on the signal processing method based on the background of millimeter mave ( mmw ) missle - borne pulsed doppler radar is performed. it include specifically the detction and the recognition of the moving target and hovering helicopter under strong clutter background

    本文結合國防科技重點預研項目「毫米波主動尋的制導目標識別」 ，針對脈沖多普勒體制雷達導引頭的應用背景，對基於彈載高重頻脈沖多普勒體制雷達的信號處理方法進行了較深入的研究。主要研究內容包括對雜波背景中的機動目標以及對懸停直升機的檢測和識別方法。
  6. 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。
  7. System simulation of measuring airborne velocity using doppler technology with radar altimeter

    雷達高度表進行多普勒測速系統模擬
  8. 6. radar and satellite meteorology : principles of doppler weather radar ; interpretation of radar imagery ; principles of satellite remote sensing ; the global weather satellite observing system ; interpretation of satellite pictures

    6 .雷達及衛星氣象學：多普勒天氣雷達原理雷達圖片解釋衛星遙感原理全球氣象衛星觀測系統衛星圖片解釋。
  9. Miss sharon lau and mr. c. m. shun, who were responsible for the windshear and turbulence warning system wtws and terminal doppler weather radar tdwr respectively, talked on the observation of terrain - induced windshear at the hkia based on data collected by the tdwr, pilot reports and wind recordings on commercial aircraft

    分別負責風切變及湍流警報系統wtws及機埸多普勒天氣雷達tdwr的劉心怡小姐及岑智明先生講述根據從tdwr資料機師報告及飛機上紀錄的風速風向而觀察到由地形引起的風切變。
  10. This paper tries to design a database system of meteorological doppler radar data for radar stations at present. this system can also be used as a reference managing the regional radar network constructed by different radars, and the whole radar network in china

    本文就是在這樣背景下結合當前技術嘗試設計和實現了適於我國日前布網的新一代多普勒天氣雷達（ cinrad ）基數據數據庫系統，該系統同樣可供由不同類型雷達構成的區域雷達網、全國雷達網雷達基數據管理作參考。
  11. 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。
  12. And it also analysis the radar performance such as radar doppler properties, radar system ambiguities and target location accuracy. and the software carries out the radar echoes simulation. this dissertation is devoted to : 1

    論文採用模塊化的程序設計方法編寫了星載合成孔徑雷達系統設計與模擬軟體，完成星載合成孔徑雷達的系統設計和模擬工作。
  13. This dissertation introduces the work principles, hardware circuit structure and application of a pint - sized multifunctional radar echo generator, which can generate various waveforms needed. we can modulate the doppler frequency and adjust the time delay of the waveform to validate the performance the radar system

    該設備體積小、操作簡便、便於攜帶，可模擬lfm 、 nlfm 、單頻、相位編碼等多種脈沖信號波形，具有較寬的多普勒調制和時間延遲調節功能，能有效驗證脈沖壓縮與信號處理單元的工作性能，準確評估雷達系統的分辨力、威力范圍等技戰術指標。
  14. Consisted of adsp21060 - sharc parallel 32 - bit floating point dsp, distributed parallel system and shared bus parallel system will satisfy signal processing tasks in sar application fields. this paper discusses range - doppler ( rd ) algorithm and two - dimension detachable algorithm in the side - looking model in synthetic aperture radar ( sar ) respectively, then studies the realization on multi - chips adsp21060 sharc dsp system

    以美國ad公司的adsp21060 - sharc （超級哈佛結構計算機）系列并行32位浮點dsp構成的分散式并行系統和共享總線式并行系統，可以滿足綜合孔徑雷達（ sar ）應用領域的信號處理任務。
  15. ( 1 ). here we build the system space geometry model : the transmitter and receiver fly on different platforms and at different height, two flight paths are unparallel. based on the chirp signal and the taylor series, we analyze the range history and synthetic aperture time, then demonstrate the equation of the azimuth resolution about air - born bistatic spotlight synthetic aperture radar, meanwhile we obtain the equations of doppler bandwidth and doppler frequency modulate rate

    本文以機載聚束式合成孔徑雷達成像作為研究背景，主要完成了以下幾方面的工作: （ 1 ）建立了一種機載雙站聚束式sar空間幾何數學模型，對方位分辨力進行了理論分析，進行了數值分析與模擬，討論了不同條件對雙站聚束模式sar系統分辨力的影響。
  16. This paper introduce a design of doppler weather radar second production net - server platform and implement the function of this system, such as far distance transmit radar ' s data, data process and image display. so that radar site and web site are banded together to realize network - exploration, different levels user can share the observed weather information of doppler radar and network - predict easily

    該網路服務系統，具有較完善的遠距離雷達數據傳輸、數據處理和圖像實時顯示功能，使得雷達站和web網站捆綁在一起，實現網路探測，各類觀測資料共享及聯網預報，便於各層次用戶使用。
  17. Design and implementation of the auto test system for certain kind of doppler radar

    多卜勒導航雷達自動檢測的設計與實現
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