sine waveform 中文意思是什麼

sine waveform 解釋
正弦波波形
  • sine : n 【數學】正弦〈略 sin〉。 sine curve 正弦曲線。 sine wave 正弦波。〈拉丁語〉 無。 sine die 無限...
  • waveform : 波浪形態
  1. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析，變頻器輸出的電壓波形諧波大，沖擊大，電壓上升率高達6600v / s ，是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低，額定頻率在8 - 20hz ;調速范圍寬，最低運行頻率低到0 . 5hz ，起動次數相當頻繁，每小時高達600 - 800次，沖擊負荷大，過載能力要求較高。
  2. For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value

    闡述了抑制齒槽轉矩措施對反電動勢波形的影響，利用無刷直流電機的數學模型推導並比較了任意平頂寬度梯形波反電動勢在正弦波和矩形波兩種電流驅動下的電磁轉矩脈動情況，得出在梯形波平頂寬度減小到一定數值后採用正弦電流驅動更有利於減小電磁轉矩脈動。
  3. The standard sine waveform is generated by looking up the sine table, and the triangular carrier waveform is produced by a reversible counter

    Spwm信號的產生採用正弦波與三角載波比較的方法，標準正弦波採用查表法實現，三角載波用可逆計數器實現。
  4. This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved

    本文提出了一種採用修補spwm正弦表值的方法，用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變；逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器，提高了系統的動態響應指標；系統設計了完善的保護措施，並具有市電電網的故障診斷功能。
  5. The method to get the parameters for each basic waveform was given by choosing the sine window function waveform as the basic waveform, and based on the srs time - history synthesis principle

    依據沖擊響應譜時域合成的一般原則，選擇合成小波中的正弦窗波作為基本波形，給出了確定各基本波形的波形參數的方法。
  6. Meanwhile it can filter the waveform and gather the envelope and calculation the current peak and max steepness of lightning by length of erased magnetic record. thirdly we need analyze the difference of length of erased magnetic record between kinds magnetic tape or pre - recorded sine wave on magnetic tape, and finding the min and max lightning current that can be recorded by magnetic tape. then we confirm the type of the magnetic tapes and the way of installing which fit to the line towers

    同時對該波形進行濾波消噪，提取包絡線計算磁帶消磁長度和雷電流峰值及最大陡度第三部分根據mtlcd得出的數據分析不同雷電流通道下不同磁帶、不同預錄正弦波消磁長度的差異及磁帶可以記錄的最小雷電流和最大雷電流，找到可以在輸電鐵塔角鋼上安裝使用的磁帶及其放置方式。
  7. The general signal sources represented by arbitrary waveform generator ( awg ) have become the most popular instruments in modern testing domains. awg can not only generate conventional waves such as sine wave, triangle wave, square wave, etc, but also generate unconventional waves such as linear frequency modulation wave, phrase modulation wave, amplitude modulation wave etc, the most important, it can create arbitrary wave

    由於它可產生包括各種理想及非理想的波形信號，不但可以產生純凈的正弦波、方波、三角波等常規波形，而且可以產生線性調頻、調相、調幅信號以及程式控制占空比的低占空比方波，更為重要的是，能夠根據用戶測試需求生成任意波形。
  8. Because frequency - shift signal is a kind of modulation signal, it ' s waveform is two ac sine signal of alternating i. e. upper frequency and lower frequency which was generated by low frequency modulating middle frequency

    由於移頻信號是一種調頻信號，其波形為低頻信號調制中心載頻信號后產生的低端載頻（下邊頻）和高端載頻（上邊頻）兩個交替變化的正弦交流信號。
  9. Such problems as the attenuation of dc elements and sine waveform, voltage sag and frequency deviation should be taken into account in order to analyze the transient process in the power system

    要分析電網的暫態特性，還必須考慮衰減直流分量和衰減正弦波，以及電壓缺口和頻率偏移等問題。
  10. Based on the analysis of stable and transient waveforms in the power system, the paper use the exponent - typed signal to describe the signals in the power system including the dc element, fundamental, harmonics, interharmonics, subharmonics and the attenuation of the dc element and the sine waveform

    根據對電力系統暫、穩態信號波形的分析，本文用指數型信號來描述電力系統信號（包括直流分量、基波、諧波、間諧波、次諧波以及衰減直流分量、衰減正弦波等） 。
  11. As a result of employing multilevel phase - shifted method with zig zag connection in transformer secondary, in the primary the current harmonics their orders are lower than 6m 1 are eliminated ( m is the number of power cell each phase ). in the inverter side because of using pulse shifting pwm control, the equivalent switch frequency of output is m times as high as one h - bridge, so the output voltage waveform of the inverter is near sine with less harmonics

    對于整流電路，由於採用變壓器移相多重化整流，在理論上可以實現曲折變壓器一次繞組中低於6m 1次諧波電流相互抵消（ m為串聯單元個數） ；對于逆變電路，由於採用移相pwm控制方式，等效開關頻率提高m倍，因此輸出電壓接近正弦波，諧波含量較小。
  12. The agilent technologies 33220a function arbitrary waveform generator uses direct digital synthesis techniques to create a stable, accurate output signal for clean, low distortion sine waves

    Agilent 33220a函數任意波形發生器使用直接數字合成dds技術，可生成穩定精確純凈和低失真的正弦輸出信號
  13. This test system can maintain the magnetic flux density ( 5 ) for sine wave automatically. so we need n ' t revise the testing data because of the distortion of the waveform

    本測試系統可以實現自動保持磁感應強度b波形為正弦形，從而避免了對測試數據還要進行波形修正的麻煩，提高了測試的精度。
  14. The 33220a provides easy access to standard sine, square, ramp, triangle, and pulse waveforms plus you can create custom waveforms using the 50 msa s, 14 bit, 64 k - point arbitrary waveform function

    33220a能容易地訪問標準正弦波方波斜波三角波和脈沖波形，您還能用50msa s 14bit 64k點任意波形功能建立定製波形。
  15. Effects of hard - nonlinear cushion for drop shock machine to simulation of half - sine waveform

    跌落沖擊機墊層的硬非線性對半正弦波模擬的影響
  16. 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波形發生器的軟硬體設計進行了相應的研究，該任意波形發生器以intel公司16位高性能單片機80c196kc作為控制器，分別利用了ad9857的單音頻模式和dac模式組成正弦波和任意波產生的電路，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器件對一些特殊的電路進行了設計。
  17. Due to the symmetry of sine waveform, the logic resource of cpld is saved greatly by a particular searching way of the sine table

    利用正弦波的對稱性，採用一種特殊的查表方法，大大節省了cpld的資源。
  18. The paper discusses a method that produces the spwm ( sine pulse width modulation ) waveform in detail, which is the changed equal - area arithmetic and compares with the equal - area arithmetic, and analyzes the harmonic that produced by the arithmetic, discusses the problem of dead - time and gives the resolvent

    文中詳細討論了生成spwm波的一種改進的等面積演算法的原理，進行了諧波分析，並和等面積演算法進行了比較，討論了死區問題和解決方法。
  19. The internal waveform generator of 8xc196mc can generate three - pair and two - way independent spwm waveforms to control six igbts " on - off with the intention of feeding - in sine waveform current to the rotor of generator

    結合8xc196mc單片機本身的功能，輸出6路三相互補的spwm波形經驅動隔離去控制主電路中6個igbt的通斷，達到向轉子饋入正弦勵磁電流的目的。
  20. The shape and the magnetism of the auto generator claw pole developed by our company can make the alternator develop the alternating electronmotive force which is approximate to the sine waveform. so the alternator has a big generating power, which is suitable for the big autos such as volkswagen, benz, bmw, etc. its manufacturing process has been awarded with the national invention patent the patent number : zl 99 1 20680. 0

    汽車發電機精鍛爪極為我公司主打產品，其生產工藝達到世界同類產品先進水平，生產技術已十分成熟，與國外同類產品相比，具有很好的性價比，發展前景廣闊，此生產工藝已獲得國家發明專利專利號： zl 99 1 20680 . 0 。
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