为了能够方便地产生波形平滑、频率稳定的正弦信号波形，提出了一种基于DDS技术的正弦信号发生器的设计方法。
To produce the smooth waveform with the stable frequency, this paper presents a design method of sine signal generator's function circuit which is based on the DDS theory.
这种方法有节制的信号分解成一系列的波形正弦和余弦的组成部分。
This method decomposes a measured signals waveform into a series of sine and cosine components.
本文所设计的正弦信号发生器主要由DDS波形产生模块、单片机控制模块、键盘输入模块和数码管显示模块组成。
This system consists of DDS signal generator module, MCU control module, keyboard input module and nixie tube display module.
本文对于反电动势波形接近正弦的永磁无刷直流电动机，提出一种基于六个离散位置信号的自同步svpwm控制方法，用于抑制电磁转矩脉动。
For the BLDCM which has a sinusoidal back EMF, this paper presents a self-synchronous SVPWM control method using six discrete position signals for minimizing torque ripple.
辅助信号发生器的主要功能是在规定的时间段内输出正弦波或者任意波形。
The primary function of the auxiliary signal generator is output sine wave or SWIFT (stored wave form inverse Fourier transform) wave at the scheduled time.
通过使用一个周期的正弦波曲线模型的滑动拟合法，实现了正弦载波相位调制信号波形的精确解调。
By using moving one period sine wave model, the precise demodulation of PM signal wave is achieved.
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。
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.
按信号波形可分为正弦信号、函数(波形)信号、脉冲信号和随机信号发生器等四大类。
According to the signal can be divided into sine wave signal, function (wave) signals, pulse signals and random signal generator, and other four major categories.
此信号发生器可以方便输出正弦波、方波和指数波等各种不同波形的信号，输出信号的频率和幅值等参数可通过前面板控制。
Different signals such as sine waveform, step waveform and exponential waveform are available. Its frequency and phase can be adjusted precisely through the front panel.
此信号发生器可以方便输出正弦波、方波和指数波等各种不同波形的信号，输出信号的频率和幅值等参数可通过前面板控制。
Different signals such as sine waveform, step waveform and exponential waveform are available. Its frequency and phase can be adjusted precisely through the front panel.
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