doppler principle 中文意思是什麼

doppler principle 解釋
都卜勒原理
  • doppler : 多普勒效應
  • principle : n. 1. 原理,原則。2. 主義;政策;〈常 pl. 〉道義;節操。3. 本質,本體,根源;本原,源泉。4. 本性,本能;天然的性能;天賦的才能;動因,素因。5. 【化學】素,要素;精。
  1. Meanwhile, the influence of doppler effect on pn correlation is analyzed. the realization principle and structure of the digital correlator is analyzed, and then the realization form of the classical and modificatory structure of the correlator is introduced

    詳細分析了數字相關器的實現原理和實現結構,給出了經典結構和修正結構兩種結構的實現形式,分別對兩種結構進行了模擬分析,並對不同的實現形式進行了對比。
  2. Principle and application of the laser doppler perfusion imager system

    激光多普勒圖像診斷系統的原理及應用
  3. As follow : 1. two solutions of estimating the doppler centroid are put forward. we processe the doppler centroid estimation in the frequency domain and time domain. also this chapter discusses principle of the doppler centroid estimation

    本文主要研究了多普勒參數估計及波數域演算法,主要有以下幾個方面: 1 .闡述了多普勒質心估計的兩種方法:頻域估計法和時域估計法。
  4. This article analyses the signal characteristics of several typical cw radars, and presents the principle and application of doppler radar. as one focal point, this article researches the generation and math characteristics of pseudorandom code modulated signal, analyses the spectrum of pseudorandom code phase modulation radar signal, and presents this kind of signal ' s application in distance and speed measurement. this article also researches the application of mono - pulse amplitude comparison radar in angle measurement finally, this article elaborates the working process of crs in uast

    本文分析了幾種典型的連續波雷達信號的特性,介紹了多普勒雷達的原理和應用;研究了偽隨機編碼信號的產生和數學特徵,著重分析了偽碼調相連續波雷達信號的頻譜,及其在雷達測距、測速方面的應用;研究了單脈沖幅度比較體制在雷達測角中的應用;最後,闡述了超近反導系統中復合體制雷達的工作過程。
  5. Using the doppler principle, low level winds are determined from the speed and direction of the movement of the eddies

    運用多普勒原理,低層大氣的風向和風速可從上述湍渦的移動方向和速度計算出來。
  6. After analyzing the range vernier ' s principle, the needed data is presented in applying range vernier to modern radar, including range data, i / q data and doppler frequency data

    通過對游標測距原理的分析,得到了實現游標測距所需的雷達測量數據,即距離數據、基帶i / q數據和多普勒頻率數據。
  7. Firstly, the principle of high resolution sar and theoretical imaging model were concisely introduced. pulse compression for line frequency modulation pulse signal, resolution of range direction and azimuth direction, and doppler history were discussed subsequently. in accordance with sar signal processing, range immigration was also involved

    本文首先分析了合成孔徑雷達高分辯力成像機理和sar成像理論模型,討論了線性調頻脈沖信號的匹配濾波(脈沖壓縮) 、 sar距離特性、方位特性和多普勒歷史,同時針對sar成像信號處理,分析了成像處理的基本原理和成像處理中的距離遷移校正等關鍵問題。
  8. In addition to rainfall intensity, the radar also detects the speed of movement of raindrops using the doppler principle

    因此這臺雷達除可探測降雨強度外,還可利用多普勒原理來探測雨點的移動速度。
  9. If the star emitting the light is moving away from us, its light rays have a longer wavelength ( lower frequency ) by virtue of doppler principle and this is manifested in a general shift of the spectrum lines towards the red end of the spectrum

    如果發某種光的恆星離開我們,根據多普勒原理,其光線的波長較長(即頻率較低) ,在光譜上則顯示出譜線全部移向紅端。
  10. This paper focus on these problems and discusses the possibility of using pseudo - random code phase modulated ( prcpm ) technology in measuring high speed target. at first the basic principle of the m series is given, then a doppler pretreatment method is given

    首先介紹了m序列編碼基本理論,然後給出了m序列調相雷達多普勒預處理的方法,該方法充分利用了m序列的移位相乘后仍為m序列的特性,並且將該方法擴展到一般的二相碼序列。
  11. At last, the paper discusses the principle and the process of disposal of using directsound technology to realize real time sound synthesization, playback and 3d sound effect, and realize 3d effect and doppler effect of the sound simulation

    探討了利用directsound技術實現聲音的混音、回放和3d效果的原理及處理過程,實現了機車聲音模擬的3d音效和多普勒效應。
  12. As a new velocity sensor, fvisar has the merit of compact structure, short coherence length, easy to adjustment light path, any fringe constant and so on. the principle of fvisar analyzed from two different theories ( traditional coherent theory and doppler frequency shift theory ) lead to the same velocity equation which is the solid theory foundation of the fvisar design

    第二章分別從經典的光干涉理論和多普勒效應兩方面對fvisar的工作原理作了詳盡的理論分析,兩者得出了相同的速度計算公式,從而為全光纖速度傳感器的設計打下堅實的理論基礎。
  13. At first, this article introduces the digital imaging principle of the sar image, deduces the mathematic expression of the range - doppler model. on the base of analysis the r - d model function in image location, we ascertained the direct location based of the sar assistant data and verified the algorithm

    本文首先介紹了sar數字成像原理,詳細推導了距離?多普勒( r - d )模型的數學表達式,在分析了r - d模型在圖像定位中作用的基礎上,系統給出了基於sar輔助數據直接定位的原理與方法,並對演算法進行了驗證。
  14. Fig. 1 working principle of a doppler weather radar

    圖1多普勒天氣雷達的工作原理
  15. Space - time block codes ( stbc ) based on orthogonal design has attracts enough attentions in its applications in mimo - ofdm systems for its full diversity exploiting and low coding / decoding complexity. these applications include not only system performance improvement, but also reduction of the peak to average power ratio in mimo - ofdm systems. under these backgrounds, this paper first studies space - time block codes under the single carrier, flat fading situation, discusses the encoding / decoding principle and its performance under different channels. then, the author focused on the performance of space - time codes under time selective and frequency selective channels, uncovered the fundamental cause of how maximum doppler shift and power delay profile influences the performance of space - time codes through deduction and simulation

    在上述背景下,本文以單載波,平坦衰落通道下的空時分組碼為切入點,深入分析了其編譯碼原理和在不同通道情況下的性能;以此為基礎,後文展開了對空時分組碼在多載波,時間選擇性和頻率選擇性衰落通道下的性能研究,通過理論推導和充分的模擬,揭示了空時/頻分組碼在時頻選擇性衰落通道中的性能變化的根本原因;在以上對多載波系統中空時分組碼的研究的過程中,作者發現了空時分組碼在降低系統峰平比方面應用的可行性,提出了一種降低峰平比的新方法。
  16. Research on the principle of torque measurement using laser doppler technique

    一種利用激光多普勒技術測量扭矩的原理研究
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