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pulse repetition frequency中文是什么意思

  • 脈波往復(fù)頻
  • 脈沖反復(fù)頻率
  • 脈沖重復(fù)頻率

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  • 例句與用法
  • Khz high pulse repetition frequency multibeam klystron transmitter
    高重頻多注速調(diào)管發(fā)射機(jī)110
  • Range of pulse repetition frequency
    脈沖重復(fù)頻率范圍
  • Pulse repetition frequency
    脈沖重復(fù)頻率
  • This paper ' s study is focused on the principle of bistatic sar on the basis of giving a brief introduction of sar principle , including azimuth resolution , mapping width , focusing deepness , pulse repetition frequency limitation and radar equation etc . then the paper studies the special form of bistatic sar with stationary transmitter
    在簡(jiǎn)要介紹了合成孔徑雷達(dá)的成像原理后，本文著重從原理方面對(duì)雙站sar進(jìn)行了分析，討論雙站sar的方位向分辨率，測(cè)繪帶寬，聚焦深度，脈沖重復(fù)頻率限制，雷達(dá)方程等問(wèn)題，然后對(duì)發(fā)射機(jī)固定的雙站sar這種特殊的雙站sar模式進(jìn)行分析。
  • Synthesized signals with different pulse repetition frequencies ( prf ) and main vibration frequencies ( mvf ) were presented to the brown planthopper . the results showed that prf was a sensitive and important signal characteristic in mating choice . the prf and mvf sensitive ranges of male signals were 70 ~ 90hz , 200 ~ 1700hz separately , and of female signals were about 22hz , 100 ~ 300hz separately
    雄蟲(chóng)敏感的prf范圍在22hz左右，雌蟲(chóng)敏感的paf范圍為70 90hz ，這與實(shí)際的雌、雄蟲(chóng)求偶鳴聲的pm變化范圍是一致的；雌、雄蟲(chóng)能對(duì)mvf變化范圍較大的信號(hào)敏感，雄蟲(chóng)敏感的mvf范圍為100 300hz ，與雌蟲(chóng)求偶嗚聲的mvf變化范圍是一致的，而雌蟲(chóng)敏感的mvf范圍為200 1700hz ，要比實(shí)際的雄蟲(chóng)求偶鳴聲的mvf變化范圍大的多。
  • Pulse repetition frequency of middle section of male courtship signal declined from start to end , the average declining range was 4 . 0 hz . through cutting and combining to courtship signals , we found sensitive acoustic section to female was the middle part of male courtship signal and to male was female courtship signal
    門(mén)）褐飛虱求偶鳴聲中的敏感聲學(xué)片段和敏感聲學(xué)因于利用daasias對(duì)褐飛虱雌、雄蟲(chóng)分別口放異性求偶信號(hào)及其片段組合，結(jié)果表明：雄蟲(chóng)求偶嗚聲信號(hào)m片段是雌蟲(chóng)的敏感聲學(xué)片段，雌蟲(chóng)求偶嗚聲即是雄蟲(chóng)的敏感聲學(xué)片段。
  • The conventional sphere model of earth and circle model of orbit are discarded , and the ellipsoid model and the ellipse model are selected for further research , which achieves a method to determine the target position through the antenna pointing direction . and the spaceborne sar system design and simulation software is brought forth . this software accomplishes sar system coefficients design for antenna area , pulse repetition frequency , signal bandwidth , downlink data rate , radar transmitter power and satellite platform yaw steering
    本文從星載雷達(dá)的星地幾何關(guān)系入手，舍棄傳統(tǒng)星載合成孔徑雷達(dá)研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達(dá)天線(xiàn)確定目標(biāo)坐標(biāo)的方法，并在此基礎(chǔ)上研制了星載合成孔徑雷達(dá)系統(tǒng)設(shè)計(jì)與模擬軟件，完成雷達(dá)系統(tǒng)天線(xiàn)尺寸、脈沖重復(fù)頻率、信號(hào)帶寬、雷達(dá)信號(hào)數(shù)據(jù)率、雷達(dá)發(fā)射功率、衛(wèi)星平臺(tái)的偏航牽引等幾個(gè)方面的系統(tǒng)參數(shù)設(shè)計(jì)以及雷達(dá)多普勒特性、雷達(dá)系統(tǒng)模糊、雷達(dá)定位及精度的分析，最后完成雷達(dá)回波信號(hào)的模擬。
  • 百科解釋
Pulse repetition frequency (PRF) or Pulse repetition rate (PRR) is the number of pulses per time unit (e.g.
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