正弦波產生器 的英文怎麼說

中文拼音 [zhēngxiánchǎnshēng]
正弦波產生器 英文
generator sine wave
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ動詞1 (人或動物的幼體從母體中分離出來) give birth to; be delivered of; breed 2 (創造財富; 生...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. This has since been confirmed by russian sources ; the transmitter consists of two swept - frequency generators of sinusoidal voltage and two parallel horizontal grounded antennas, each about 60 km long

    這一點被來自俄方的消息所證實;發射機有兩個掃頻發,同時有兩幅相互平行的水平地面天線,每個天線有60千米長。
  2. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼的設計採用優化g . 729a代碼達到設計要求,並在此基礎上加入g . 729b的靜音檢測模塊,以進一步降低網路傳輸帶寬;對回聲消除的設計採用nlms演算法,通過設計自適應fir濾和語音檢測達到回聲消除目的;對雙音多頻設計,信號發端採用構造靜態參數表並通過二階振蕩信號,信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計,除了類似雙音多頻的信號發及頻率檢測設計外,還需要檢測信號持續時間,作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。
  3. A type of relaxation oscillator used for the generation of nonsinusoidal waves in which the output of each active device is coupled back to the input of the other to sustain oscillations

    一種的張馳振蕩,其中,每個有源件的輸出端要反饋到另一件的輸入端以維持振蕩。
  4. It has wide frequency width and high frequency relution. the maximum output frequency can get to 80m and the highest frequency relution can get to 1 u hz, the waveform memory is 64k. it has the important reference value for three classical structures - pc bus card, stand alone, vxi module

    該任意形發不僅能,方,三角等常用的標準信號,還可根據用戶的需要成任意形,具有寬頻帶,高的頻率解析度等特點,其形最高輸出頻率可達80m ,頻率解析度可達1 hz ,形最大存儲深度為64k ,對于目前三種典型的任意形發的結構? pc總線插卡式,獨立儀, vxi模塊都有重要的參考價值。
  5. The standard sine waveform is generated by looking up the sine table, and the triangular carrier waveform is produced by a reversible counter

    Spwm信號的採用與三角載比較的方法,標準採用查表法實現,三角載用可逆計數實現。
  6. This paper include the following parts. firstly the sine exciting - voltage is guaranteed by direct digital synthesize technology ; secondly the digital output of cos ( 9 ) and sin ( 9 ) are generated by microcontroller ; thirdly the two voltage signals which are the product of the two former signals gained by the multiplying d / a converter, being filtered and amplified, have constant frequency, and one amplitude has sine function relationship of with the input angle, and the other amplitude has cosine function relationship of with the input angle ; finally the two signals are acquired and analyzed by relative instrument and software

    主要由以下幾部分組成:用數字頻率合成技術( dds )激勵電壓信號u _ msin ( t ) ;用單片機幅度的數字量輸出sin ( )和cos ( ) ;用乘法型d a轉換實現激勵電壓和幅度的乘積,並通過濾和功放后即得到頻率固定,幅值隨輸入角成變化的電壓信號;最後用數據採集卡採集輸出信號,顯示形並進行頻譜分析。
  7. The single - chip function generator icl8038 can get synchronous sine wave of constant amplitude in pll as voltage control oscillation ( vco ), which is a basic signal source of static frequency converter

    單片函數發icl8038在pll中作為壓控振蕩( vco )同步等幅,可作為靜止變頻的基準信號源。
  8. Focused on the sine model of the speech signal creation, and finished the reconstruction by using it. at the same time, based on the knowledge of digital signal processing, reconstruction by harmonic correction and time variant digital filter was proposed

    分析了語音信號模型,並在此基礎上完成了骨導信號的語音重構;與此同時,結合數字信號處理知識,分別用諧和時變數字濾的方法,完成基於骨導信號的語音重構。
  9. Step power is the key for step magnetic potential, the pulse width modulate technology that selects the triangle wave as the carrier and ladder sine wave as the modulate wave is researched, furthermore the design of the actuator drive adopts dsp as the digital controller is introduced

    步進電源是步進磁勢的關鍵,文章研究了三角為載,階梯為調制的脈寬調制技術,進而介紹了採用dsp組成全數字控制,完成步進電源觸發的執行驅動的設計。
  10. The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage, power loss and torque pulsation of the system are decreased by controlling the switch angles

    它運用規則采樣法脈寬調制,通過開關角的控制抑制逆變輸出電壓中的諧分量,降低了電動機的損耗和轉矩脈動,使電動車的運行性能得到了較大改善。
  11. This text described to use an memorizer with some additional and necessary of controlling by the conversion electric circuit according to the dds principle in order to produce the principle of sine wave and carry out a method

    摘要敘述了基於dds原理,用存儲附加必要的控制和轉換電路可的原理和實現方法。
  12. Therefore, it has been widely used in the domains of communication, radar, navigation, etc. this article focuses on the generating of the function waves which include sine wave, triangle wave and square wave, depict the concepts of dds ( direct digital synthesis ) and surveying frequency on equal precision, analyze the key techniques in the development and present solutions of function generator. author also present the system structures of hardware and software, discuss the performance indexes and consider the possibility of the system. finally, with respect to the problems in debugging and testing process, author do some analyzing and present the practical solutions

    本文主要圍繞函數發輸出的、三角和方三種基本形的這一課題來展開,闡述了其中的直接數字合成( dds ) 、等精度測頻等概念;分析了研製函數發所需攻克的關鍵技術,提出了技術解決途徑;對方案軟體進行編制和系統進行設計、安裝調試,實現了課題功能;最後針對調試中出現的問題,進行了較深入的分析,並提出了實際的解決措施。
  13. I has mainly discussed the sofeware and hardware of aribrary waveform generator controlled by the microcontroller in my with the control of the high proformance microcontroller - 80c196kc, this instrument builds up the main circuit adopting single tone and dac of ad9857. in my project, i. have designed some special circuits with the advanced method of eda ( electron design automation ) based on vhdl and cpld. it can produce standard waveforms such as sine, square, triangle, and generate aribrary waveform according to the user ' s demand, at the same time, it has the ability to produce the amplitude modulation signal based on the carrier of sine and the aribrary waveform

    論文中主要對微機控制的任意形發的軟硬體設計進行了相應的研究,該任意形發以intel公司16位高性能單片機80c196kc作為控制,分別利用了ad9857的單音頻模式和dac模式組成和任意的電路,在硬體電路的設計中採用了先進的eda (電子設計自動化)技術,使用vhdl語言和可編程門陣列件對一些特殊的電路進行了設計。
  14. The accurately controlled signal source generates sinusoidal elastic wave accurately controlled in frequency and stable in phase to " illustrate " underground media. time signal stacker receive signal by stacking and doing fft to measure the transfer function of media. " sompi " cepstrum method retrieve group velocity travel times and decayed factors of wave element from observational data of transfer function in a limited frequency window

    精密可控震源用於頻率精確相位穩定的彈性以照射地層內部,信號疊加通過對接收信號進行疊加和進行傅立葉變換的方式實現對介質傳遞函數的精密測量, 「存否」倒譜方法能夠根據一段窄帶頻域傳遞函數數據獲得時域上各個成分的群速度傳播時間和介質衰減因子。
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