Digital design is the main character of this system. The three-phase SPWM pulses are generated through sine wave compared with triangular wave.
数字化设计是本系统的特点，系统最终生成的三相spwm脉冲是基于三相正弦调制波和三角载波比较得到的。
Using correlative technique to detect the sine wave in yawp is a good method for picking up certain signal from yawp jam, which can determine the size and phase of signal.
埋藏在噪声中的正弦波，利用相关技术进行检测，能够测定信号的大小和相位。
The system adopts direct digital synthetic (DDS) technology for building the sine wave generator to realize continuous regulation of amplitude, frequency and phase modulation.
系统采用直接数字合成（DDS）技术构建正弦波发生器，实现幅值、频率、相位等连续调节；
A new control method of multiunit inverter is described, which determines the triggering pulse for each unit to obtain the sine wave output through multiple-phase shifting superimposition principle.
研究了多重化逆变器的一种控制方法，采用逆推的方法确定各单元的触发脉冲，通过多重移相叠加原理得到正弦波输出。
By using moving one period sine wave model, the jitters of amplitude, frequency, phase, and offset of sine wave are evaluated.
使用一个周期的正弦波曲线模型的滑动拟合法，评价了幅度、频率、直流偏移的抖动，以及相位与理论值之偏差的抖动情况。
In frequently used methods, sine wave is used as carrier with amplitude modulation (am), frequency modulation (FM) and phase modulation (PM) implied.
常用的调制方式使用正弦波作为载波并对其进行幅度调制(AM)和角度调制即调频(FM)或调相(PM)。
It produces two channels sine signals of which phase difference is adjustable to simulate the CMF sensor output with good wave outputting and high precise phase difference approved by test.
该种信号发生器主要用于模拟科氏质量流量计传感器产生两路相位差可调的正弦信号，测试表明：其输出波形好，相位差精度高。
This paper focuses on the perturbation which takes the sine form. The effect of amplitude, frequency, wave number, and initial phase difference on the propagation of optical soliton is investigated.
重点讨论了扰动是正弦函数形式时，耦合强度、频率、波数、初始相位差对光孤子传播的影响。
Modulation methods primarily through changes in the rate of sine wave, phase and frequency to transmit information.
调制的方法主要是通过改变正弦波的幅度、相位和频率来传送信息。
Even if it worked with three-phase sine, three-phase line current would have non-sine aberrance and produce harmonic wave-electricity.
即使在三相正弦激励的作用下，三相线电流也将发生非正弦畸变，产生谐波电流。
Finally, the performance of system is analyzed depends on the parameter. Generating sine wave of fixed phase difference is realized on hardware Platform, which confirms the correctness of design.
最后根据系统各个参数对其性能进行分析，在硬件平台上实现了固定相位差的相参正弦信号的产生，验证了设计的正确性。
Finally, the performance of system is analyzed depends on the parameter. Generating sine wave of fixed phase difference is realized on hardware Platform, which confirms the correctness of design.
最后根据系统各个参数对其性能进行分析，在硬件平台上实现了固定相位差的相参正弦信号的产生，验证了设计的正确性。
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