doppler speed 中文意思是什麼
doppler speed
解釋
多普勒速度-
The paper, which is based on the " research and development of the speed - up train ' s manipulation of optimization and train simulator " project, concerns the sound system in the train simulator. in the paper, the sound system includes two parts contents : firstly, improving the sound effect of the sound simulation system in the train simulator and enhancing 3d sound effect, such as sense of distance, sense of orientation, doppler effect etc, to make the sound of training environment more verisimilar ; secondly, realization of the speech communication in network between teacher and student in the train simulator
本文是以鐵道部科技發展項目「提速列車優化操縱與機車模擬器研究開發」為依託，對機車模擬器的聲音系統進行研究：第一，對機車模擬器中聲音模擬系統的音效進行改進，增加3d音效，如聲音的距離感、方位感、多普勒效應等，使得訓練環境音響更加逼真；第二，實現機車模擬器中教員與學員間的語音網路通訊。 -
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。 -
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。 -
Abstract : doppler navigation is a kind of independent navigational system, but its real - time speed measuring precision is comparatively low
文摘:多卜勒導航是一種自主式的導航系統，但其實時測速精度較低。 -
Laser doppler rotational speed meters
激光都卜勒轉速儀 -
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。 -
The underwater acoustic channel is very complex where cochannel interference, doppler frequency offsets, narrow bandwidth and time and frequency selective deep fades obstructs the development of high speed and fidelity underwater data transmissions. thus projects of high speed and fidelity underwater signal transmissions become a hotspot in the fields of world academic circles. the conventional serial communication must use adaptive equalizer to combat the multipath in real - time
海洋水聲通道是一種極其復雜多變的時-空-頻變參通道，其通道窄，強多途干擾，信號起伏衰落嚴重，一直是水下信息可靠高速傳輸的主要障礙，因此如何在水聲通道中高速率準確地傳輸數據，就成為世界性的熱門課題。 -
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。 -
And then the stability and the stable error response of the dpll are analyzed. there is an obvious doppler shift frequency offset in the received signal with flight at a high speed, in the dissertation the uniform sampling second - order dpll is used to remove the frequency bias for its excellent high - pass characteristic of the error transfer function
由於高速飛行的遙測目標在接收信號中會出現較大的多普勒頻率分量，而典型均勻采樣二階數字鎖相環dpll （ digitalphase - lockedloop ）的誤差函數具有高通特性，所以本文提出一種利用其高通特性來去除多普勒頻率分量的新方法。 -
Doppler diversity in mobile high - speed communications
在衛星移動通信中的應用研究
分享友人