sinusoidal function 中文意思是什麼
sinusoidal function
解釋
正弦函數- sinusoidal : 正弦信號
- function : n 1 功能，官能，機能，作用。2 〈常 pl 〉職務，職責。3 慶祝儀式；（盛大的）集會，宴會。4 【數學】...
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Sinusoidal jump function
正弦跳躍函數 -
It is a new tool to detect and observe the structure and status of underground media by accurately measuring its transfer function through sinusoidal elastic wave accurately controlled in frequency and stable in phase
它是使用一種精密控制頻率和相位穩定的彈性波，對發射和接收兩點間的傳遞函數進行精密測定從而監視和觀測地下構造和狀態的一種新型手段。 -
Finally, applying the current basis function of three - term sinusoidal expansion, the radiation characteristic and input impedance of the vertical and horizontal antennas above lossy ground are analyzed by the method of moments with the variation of frequency, height from the ground and ground parameters
最後，用矩量法，採用正弦插值基函數，研究地面上方垂直、水平線天線的輻射特性和輸入阻抗隨著頻率、離地高度、地面參數等變化的情況。 -
By using the measure and research of the emulating two - port network parameters of using direct - current analysis and figure value output function of sinusoidal steady state circuit in circuit emulating software pspice8. 0, the measure and research have solved the problem of the measuring purely resistive network of simple and odd one in traditional experimient, and also brought about the analysis of alternating current and direct - current for two - port network of any one complex and measure and research of y 、 n 、 z 、 t 、 h and so on parameters, and this opens up one new path for many traditional experimient of not easy to fulfil and for the complex circuit
摘要利用電路模擬軟體pspice8 . 0中直流分析及正弦穩態電路的數值輸出功能模擬二埠網路參數的測量與研究，解決了傳統實驗中只能測量簡單、單一的純電阻網路問題，實現了對任一復雜二埠網路交、直流的分析及y 、 z 、 t 、 h等參數的測量與研究，為更多的不易完成的傳統實驗以及復雜電路的分析研究開辟了一條新路。 -
In order to research sinusoidal - and trapezoidal - current compound driven technology, the controller uses variable structure control ( vss ), by designing switch function s ( x ), which switches motor between sinusoidal - and trapezoidal - current driven technology, and thus realizes motor ' s excellent control in different range of speed. also we do software simulation using matlab
為了研究方波驅動和正弦波驅動的復合控制，控制器採用變結構控制，通過設計切換函數，使電機在正弦波驅動和方波驅動兩種控制模式下切換，實現不同速度段的優良控制特性，並用matlab軟體對整個復合驅動系統進行了模擬實驗。 -
3 the effective value of a non sinusoidal periodic function is equal to the square root of the square sum of the constant component value and every harmonic component effective value
非正弦周期函數的有效值等於直流分量與各次諧波分量有效值的平方和的平方根。 -
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
精密可控震源用於產生頻率精確相位穩定的正弦彈性波以照射地層內部，信號疊加器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波成分的群速度傳播時間和介質衰減因子。
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