脈沖變換 的英文怎麼說

中文拼音 [màichōngbiànhuàn]
脈沖變換 英文
pulse conversion
  • 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
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  1. Method : by laser ablating a multiphase reaction system, various products are obtained by plasma reaction

    以脈沖激光濺射多相反應體系，變換固體靶和氣相、液相反應物的不同組成，合成得到不同產物。
  2. Pulse fourier transform nmr spectroscope

    脈沖傅里葉變換核磁共振波譜儀
  3. The temperature range is - 30 ~ 80. the topology of the step - up dc / dc converters and its basic principle is first analyzed in this thesis. then based on the conventional pfm control scheme, a discrete pulse frequency modulation is presented and the state space average model related to the ccm ( continue current mode ) and dcm is established

    然後在傳統的脈沖頻率調制方式的基礎上，分析了一種離散脈沖頻率調制方式，並建立了這種調制方式下升壓型dc / dc變換器在電流連續（ ccm ）工作模式和電流斷續（ dcm ）工作模式的狀態空間平均模型。
  4. High - frequency link power converters are receiving increasing attention. when the input frequency of ac - ac converter is quite high, such as 20khz or above, in order to make sure the converter switching action is restricted to the zero crossing point of the link voltage, the switching cycle becomes discrete pulse spectrums, however, the conventional pwm converters are ruled out because they would fail either to the efficiency or the low - distortion criteria

    當交-交變頻器的輸入頻率非常高，通常為20khz時，為了在零電壓條件下實現逆變器開關管的通斷，變換器的開關時刻必須選擇在高頻交流電壓脈沖為零時，這意味著變換器開關時刻在時間軸上成為不連續的點，而常規的硬開關pwm變換器是將開關時刻選擇在任意時刻。
  5. The positive and negative frequency expressions of quasi - monochromatic optical fields of a pulse in fiber - optic communication and the positive and negative frequency forms of fourier transformations and nonlinear schr ? dinger ( nls ) equations are discussed

    摘要討論光通信中脈沖的準單色光光場的正負頻表示，正負頻形式的傅里葉變換，正負頻形式的非線性薛定諤方程及它們之間的關系。
  6. 2 rayleigy and weibull distribution ground clutter for airborne phased array radar ( apar ) general pulse signal was simulate with method of zero memory nonlinear transform

    二、利用零記憶非線性變換法實現機載相控陣雷達常規脈沖情況下的瑞利分佈、韋伯爾分佈的地面雜波模擬。
  7. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。
  8. The conventional switching power supply usually use a diode rectifier followed by a bulk capacitor to convert ac voltage to dc voltage, resulting in the pulsating waveform of the input ac line current, low power factor ( generally 0. 65 ) and high harmonic line current

    傳統的開關電源設備通常採用二極體橋來進行整流和一個較大的電解電容來進行濾波以實現輸入電壓的交直流轉換，導致輸入電流為一個很窄的脈沖波並含有較多的諧波分量，功率因數變低（通常只有0 . 65 ） 。
  9. With the development of the converter drive technology, the requirement for the variable frequency drive are becoming more and more strict especially for the modern converter drive employing fast switching semiconductor igbt ， though it has high pulse frequency and refreshing time of only nanoseconds, it generates emf that has adverse effect on the environment

    隨著頻率控制傳動技術的發展，對頻率變速傳動系統的要求越來越高，尤其是對採用快速切換的igbt半導體現代變頻技術，盡管脈沖頻率高或更斷時間僅毫微秒內，但它們會對周圍環境產生電磁場。
  10. Pulsar signals should be nearly sinusoidal after the doppler shifts are taken out, so fourier transforms pick them up pretty easily

    當多普勒偏移去除后，脈沖星的信號應當近乎是正弦曲線的樣子，所以傅里葉變換可以很容易的去除多普勒效應。
  11. A code table is given to facilitate programming, in which a list of normalized transmission formula is included

    給出了用分步傅里葉變換計算光束、脈沖、及脈沖光束傳輸方程的歸一化關系程序傳輸編碼表； 2
  12. In chapter 2, the first and the second section give explicit explanations of how to use split - step fourier transformation ( ssft ) algorithm and finite - difference methods to solve nonlinear equation. a code table, in which a list of normalized transmission formula is included, is given to facilitate programming

    第二章，前兩節詳細介紹了如何用分步傅里葉變換演算法和有限差分法實際求解非線性方程，並給出了求解光束、脈沖及脈沖光束的歸一化方程編碼表，供編程參考。
  13. In this paper what is mainly discussed is the hardware implementation of the two application specific information processing modules by cpld or fpga, which are s + p inverse transformation, the inverse transform module of an image compressing system, and 4096 - point complex fft / ifft module, the central module of the digital pulse compressing system

    本文討論的就是應用cpld fpga來實現兩個專用信息處理模塊的設計。它們分別是圖象壓縮系統的圖象反變換模塊? s + p逆變換模塊及數字脈沖壓縮系統的核心模塊? 4096點fft變換模塊。
  14. In relation to computers, the term is applied to a read / write head, to detector of sector marks in a magnetic disc system, and to electronic / sonic pulse converters of delay line memory

    在與計算機有關時，這個術語用在磁盤系統中的讀寫磁頭、扇面標記的檢測上，以及用在延遲線存儲器的電子或聲波脈沖變換器上。
  15. A device for converting energy form one form to another. in relation to computers, the term is applied to a read / write head, to detector of sector marks in a magnetic disc system, and to electronic / sonic pulse converters of delay line memory

    把能量從一種形式轉換成另一種形式的裝置。在與計算機有關時，這個術語用在磁盤系統中的讀寫磁頭、扇面標記的檢測上，以及用在延遲線存儲器的電子或聲波脈沖變換器上。
  16. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體電路設計包括：工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路（恆流源電路、時基信號處理電路、被測信號處理電路）設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括：主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號，並對三種不同測試狀態（靜態、動態、暫態）下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。
  17. Using the filter forming electric circuit and the active integral forming electric circuit structure, and the irregular pulse become the standard the accurate gauss pulse

    該放大器採用微分成形電路和有源積分成形電路結構，使不規則脈沖變換成標準的準高斯脈沖。
  18. The task of the test system is to comprehensively test the electrical performance parameters of the pulse convert circuit which is one of the accelerometer components in the system products

    測試系統的任務是綜合測試導彈捷聯慣導系統產品中加速度計組件之一「大量程脈沖變換電路扳」的電性能參數。
  19. " wide range measure system of pulse convert circuit " is one of the supplemental test equipment on the product line of the air - to - air missile pl12, which is the important equipment to develop, product, check and accept the great range pulse transforming circuit board

    「大量程脈沖變換電路測試系統」是為空空彈pl12生產線上配套的測試設備之一，它是研製、生產和驗收大量程脈沖變換電路板的重要設備。
  20. In this paper, based on the detailed analysis of the measurement principle and the measurement method of the wide range pulse convert circuit board, the hardware circuit of the measurement system is designed, and the software flow hart of the measurement system is drawn in detail. the emphasis is to present the method to improve the system measurement precision by plenty of experiments

    本論文在詳細分析了大量程脈沖變換電路板測試原理、測試方法的基礎上，設計了測試系統硬體電路，較詳細地畫出了測試系統軟體流程圖，重點是通過大量實驗總結出提高系統測量精度的方法。
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