sine wave 中文意思是什麼

sine wave 解釋
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  • 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...
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  1. In the circuit, using the way of step - by - step magnify, a normal sine wave signal through former circuit export for the next circuit, and this signal that have been magnified push the next step. the main magnify circuit use the method of high power dynatron that is parallel connection

    在迴路中採用逐級放大的方法，將一個標準的正弦波信號通過前級放大，輸出給后級，推動后級放大迴路，主要的功率放大迴路中採用大功率三極體並聯實現功率放大輸出。
  2. The phase velocity basically tells you how fast a pure sine wave ( with a single frequency ) moves

    相速度可以告訴我們一個純正弦波的傳播速度。
  3. 3. passive and active time - domain demodulation schemes were demonstrated based on a fiber bragg grating used as a tunable filter controlled by a piezoelectric stack, which was driven by an electrical sine wave signal. the measured strain applied on the sensor axially could be judged by observing the interval of the output between notches within a driving period in time - domain

    利用匹配濾波技術，分別採用無源和有源方式，藉助受pzt驅動的解調光柵，將待測應變信息變為時序負脈沖間隔的變化，利用常規的示波器觀測同一掃描周期中兩負脈沖在時域中間隔的變化來確定待測應變的變化。
  4. Through the test of sine wave sweep, the character of response of aeolian sand due to motivation is gained

    利用正弦波掃頻試驗，得到風積沙對激勵的響應特性。
  5. This paper introduces the calculation of the loads of different waves and the combination of sine wave and cosine wave. furthermore, stressing on discussing the corresponding problems of the fem of the whole structure and putting forward the basic principles of building a fleet. taking a fleet for example, the paper discusses the whole response of the fleet and the local response of it according to different load cases

    本文介紹了船舶的波浪載荷計算及按動態載荷法進行載荷分量組合，而且研究了結構有限元模型的有關問題，給出了結構的模型化原則；本文以一條051艦為例，討論了不同的工況下整船艦艇結構應力的響應以及局部結構的響應。
  6. 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。
  7. Voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed

    採用單片機控制雙向可控硅作為電子開關所組成的電壓分節網路，組成新穎快速的電子調壓器；由於雙向可控硅過零觸發，所以其輸出是不失真的完整正弦波；再用單片機組成反饋控制系統，從而找到了交流穩流的新方法，研製出一個大功率交流穩流電源
  8. Abstract : voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed

    文摘:採用單片機控制雙向可控硅作為電子開關所組成的電壓分節網路，組成新穎快速的電子調壓器；由於雙向可控硅過零觸發，所以其輸出是不失真的完整正弦波；再用單片機組成反饋控制系統，從而找到了交流穩流的新方法，研製出一個大功率交流穩流電源
  9. In every signal you produce, from the sine wave frequency accuracy to the fast rise fall times of square waves, to

    其好處是您能修飾所產生的每一個信號，從正弦波的頻率精度方波
  10. Least square method based measurement of sine wave total harmonic distortion

    基於最小二乘法的正弦波諧波失真度測試
  11. Point in the number of times of a repetition in period, or each of cycle number. calculate the unit to hz hertz, such as the frequency is 1000 hzs 1 khz signal 1000 every second then contain the cycle of the sine wave

    指在一個周期內的重復次數，或每秒的周波數。計量單位為hz hertz ，如頻率為1000hz 1khz的音頻信號每秒便有1000個正弦波的周波。
  12. In fact, we use the digital way directly to synthesize sine wave

    摘要數字電路技術課程的知識難點是時序邏輯電路的設計。
  13. It is easier for us to realize the hardwave circuit, and the content of sine wave at least by 45db is the projecting advantages

    本文主要論述一種實用的時序邏輯電路的設計與實現設計一個十字路口交通燈自動循環亮滅的控制器。
  14. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路，並輔以晶閘管的保護電路，通過控制可以得到低頻正弦波的電壓（電流）輸出；控制迴路主要以87c196kccpu為核心，其外圍電路包括同步電路，脈沖拓寬電路，功率放大驅動電路等，完成了數字觸發、數字調節、模數轉換等功能；進線電源變壓器具有變壓和隔離作用；環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。
  15. As an example using sine wave, the effect of vibration amplitude and frequency and time on bit error rate is researched

    以振動譜中典型的正弦諧波為例，推導了振幅、頻率和時間對誤碼率的影響。
  16. In addition, the c1ose - - 1oop cofltro1 part is devised, u1timate1y getting the pure sine wave with high rate of voltage use and 1ow distortion of harmonic wave

    此外，還設計了閉環控制環節，最終得到具有高的電壓利用率和低諧波失真的純凈的正弦波。
  17. 3 using current injecting frequency modulation method and modulating sine wave around the resonator point, the lock - in phenomena is observed in a comparatively short period of time. this has achieved the basic goal for a closed loop r - fog

    3 、採用電流注入法，在諧振點附近進行正弦調制，實現了對諧振點的短時間鎖定，達到了閉環光纖陀螺設計的首要基本要求。
  18. Point originally possessed the harmful interference of the frequency s every kind of times. enlarge 1 khz sine wave the hour will produce 2 khz of two times wave with 3 khz of three times wave wave for and much higher time

    指原有頻率的各種倍頻的有害干擾。放大1khz正弦波時將會產生2khz的二次諧波和3khz的三次諧波以及許多更高次的諧波。
  19. In this section, with time _ sharing method and the symmetry of sine wave, the look - up table needed to generate three - phase sine wave is reduced to one twelfth of the table before, and the optimization will have no any effect on precision, at the same time, the generation way of the monopolar spwm is improved

    在這一部分，還對產生二相正弦波的正弦表進行了優化，利用分時復用和正弦波的對稱性，把所需的正弦表減少為原來的1 / 12 ，並保持優化后的精度不變。同時改進了單極性spwm的產生方法。
  20. In this paper, a simple and practical circuit for laser diode modulation is presented, the principle circuit and the principle of choosing component are given, at last, application in sine wave modulation in non - cooperative target phase shift laser rangefinder is introduced

    本文介紹了一種簡單有效的半導體激光器調制電路，給出了電路原理圖，元件的選擇原則，最後介紹了在非合作目標相位式激光測距系統中實現正弦調制的應用。
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