脈幅譜 的英文怎麼說

中文拼音 [màifúpǔ]
脈幅譜 英文
pulse-amplitude spectrum
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 幅 : Ⅰ名詞1. （布帛、呢絨等的寬度） width of cloth 2. （泛指寬度） width; size 3. （姓氏） a surname Ⅱ量詞（用於布帛、呢絨、圖畫等）
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  1. 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。
  2. Therefore, the crucial factor of technology of nucleus - detection is nuclear spectrum data collecting system whose core is the multi - channel analyzer ( mca )

    所以以多道脈沖幅度分析器為核心的核能譜數據採集系統，是核輻射探測技術的關鍵。
  3. As compared with multi - channel analyzer, platform of microcomputer consumes much more energy, thereby, it will follow a rational line to be research and developing orientation of nuclear spectrum apparatus to choose new pattern platform of microcomputer of low power and develop tiny pattern and low power nuclear spectrum apparatus

    對于基於臺式機和筆記本平臺的多道脈沖幅度分析器，微機平臺功耗很大。因此選用新型低功耗微機平臺，開發小型、低功耗的核能譜儀，成為今後核能譜儀的研究發展方向。
  4. Measuring technology of multi - channel is the foundation of matter composition and radioactivity verifying by way of nuclear methods. the dissertation aims at developing tendency of measuring technology of multi - channel nuclear energy spectrum, combining the characteristics of field working, focusing on systematically reseach on some key techniques such as the design of multi - channel analyzer ( mca ) and apparatus, with a view to resolve defects exsisting in current portable apparatus

    論文瞄準國內外多道核能譜測量技術的發展趨勢，結合現場工作的特點，針對目前現場多道核能譜測量儀器中存在的諸如儀器功耗、重量、體積偏大，不便於現場操作等問題，在多道脈沖幅度分析器以及儀器的單片機機化等方面作了較為系統的研究。
  5. X fluorescence can quickly carry out measurement without damage and motion. it was widely adopted in geology, mining, environmental - protection, archaeology and industrial - analysis. its principium is that in measurement of radioactivity, the pulse energy is directly proportional to pulse signal amplitude detected by the radiation detector

    X熒光方法可以實現快速、原位、無損測量，被廣泛應用於地質、礦業、環保、考古、工業在線分析等領域，其原理是：在核能譜測量工作中探測器輸出的脈沖信號與入射粒子的能量成正比，通過測量脈沖信號幅度，得到入射粒子的能量。
  6. 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。
  7. A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted

    Thz （ 10 ~ （ 12 ） hz ）時域光譜技術是20世紀90年代發展起來的一種新型的光譜測量技術，它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探測源，利用電光取樣或光電導取樣的方法直接記錄thz輻射電場的振幅時間波形，通過傅立葉變換得到測量信號振幅和相位的光譜分佈，進而獲得材料在thz波段的復介電常數，即色散及吸收等信息。
  8. Using it, time amplitude converter and pulse neutron generator, the y spectra of 14mev pulse neutrons is measured. utilizing the time difference of several different reactions about the interaction of neutrons and nucleus, the whole spectra and the capture spectra are measured. a method that uses double gate subtracting background to gain the fast neutrons " inelastic scattering y spectra is introduced

    研製了一種線性門電路，介紹了它與脈沖中子發生器、多道脈沖幅度分析器配合，進行14mev脈沖中子譜的測量，利用中子和原子核相互作用的幾種反應在時間上的差異，測量了總譜和俘獲譜，採用雙門減本底方法得到了快中子非彈性散射譜。
  9. The specetrum data - collecting subsystem is controlled by a single - chip micro - controller at89c52, including 1024 - channel pulse - height analyzer and rs232c serial communication interface

    譜數據採集子系統由單片微控制器at89c52控制，包括1024道脈沖幅度分析器和rs232c串列通訊介面。
  10. In the foreign country, neutron induced prompt gamma - ray analysis ? ipga was used to analyze the elements in substance and has been used in real production and industry " s analysis on line now. in our country, the method has been studied and used from 70 " s and has been more and more perfect. however, the neutron source they used is the isotope source

    在國外，早已開始採用中子感生瞬發射線分析法（ nipga ）對物質進行元素分析，如今這種方法已經應用於實際生產和工業在線分析，國內在八十年代也開始研究、應用這種方法，如今已日趨完善，然而，他們使用的中子源絕大多數仍然是同位素中子源，做為一種可行性實驗方法研究，我們採用脈沖中子發生器做為中子源，自行研製的線性門電路和多道脈沖幅度分析器相配合，獲取非彈性散射和俘獲譜，對物質進行元素分析。
  11. Melp which can work at the rate of 2. 4kb / s has been chosen as u. s. federal standard, melp algorithm is on the basis of line prediction ( lp ). five auxiliary characters has been introduced into melp algorithm, they are mixed excitation, aperiodic pulse, fourier magnitudes pulse dispersion and adaptive spectral filtering

    作為一種重要的低速率語音編碼演算法，美國聯邦標準melp演算法對lpc - 10編碼方案做了大量改進，引入了混合激勵，非周期脈沖，殘差付氏幅度譜，脈沖散布和自適應譜濾波五個附加特徵，在2 . 4kbit / s的速率下取得了比較自然的語音質量。
  12. Based on the components of analogue receivers, all kinds of influences on the signal from all kinds of components are given, then the influences on the result of pulse compression from the quadrature demodulators is focused on

    接著分析各個模擬接收機組件對回波信號產生的各種幅相誤差，這些誤差會對信號頻譜和脈壓結果產生影響，並重點分析正交解調幅相誤差對它們的影響。
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