sine of the amplitude 中文意思是什麼
sine of the amplitude
解釋
振幅的正弦-
The ideal power system needs to be supplied with sine voltage whose frequency and amplitude are both stable. to three - phase ac power system, the currents and voltages must be equal of amplitude and the phase - shift between each other should be 120 of positive order
理想的電力系統要求以頻率和幅值穩定的正弦電壓進行供電；對於三相交流電力系統，各相電壓和電流應處于幅值大小相等、相位互差120的正序對稱狀態。 -
In order to solve this problem, the distribution of the force was studied. with analyzing the data of ship launching, the paper educes seven typical distribution forms, include uniform distribution, sine distribution ( 1 / 2 amplitude ), trapezoid distribution, right triangle distribution, sine distribution ( 1 / 4 amplitude ), parabola distribution, isosceles triangle distribution
主要有七種分佈形式，包括分佈趨勢較平緩的均勻分佈形式、正弦（ 1 2波形）分佈形式、梯形分佈形式；峰值出現在滑道最前端的直角三角形分佈、正弦（ 1 4波形）分佈、拋物線形分佈；還有峰值出現在分佈區域中間的等腰三角形分佈。 -
Through calculation of a living example and its result analysis verified that while the vibration amplitude is comparatively small and the sine curve is being adopted, the theoretical contour of cam possesses rather good form closure property and is suitable to be applied for high - speed cam
通過實例計算和結果分析，表明該凸輪理論廓線採用正弦曲線，在振幅較小時，有較好的形封閉性，適合用於高速凸輪。 -
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。 -
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 ）產生正弦激勵電壓信號u _ msin （ t ） ；用單片機產生幅度的數字量輸出sin （ ）和cos （ ） ；用乘法型d a轉換器實現激勵電壓和幅度的乘積，並通過濾波器和功放后即得到頻率固定，幅值隨輸入角成正餘弦變化的電壓信號；最後用數據採集卡採集輸出信號，顯示波形並進行頻譜分析。 -
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
單片函數發生器icl8038在pll中作為壓控振蕩器（ vco ）產生同步等幅正弦波，可作為靜止變頻器的基準信號源。 -
Faced with the fact that there is a great deal of noise in detecting signal when using small amplitude lasting sine current on field, a developed lease minimum squares method is adopted, which makes the parameters of sine sequence with known frequency picked up on the real time. at the same time, original signal is processed by using wavelet theory, gaining true information which responses to the coating quality
在小幅度正弦恆電流激勵檢測中，針對現場檢測信號含有大量噪聲這樣的情況，採用改進的最小二乘法，實現頻率已知的正弦序列參數的實時提取；同時利用小波理論對原始信號進行處理，得到反映塗層性能的真實信息。 -
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。
分享友人