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1·The triggering Angle modulation method of the sine-wave cyclo-converter is carried out, and the operating wave form of the designed system is put forward.

讨论了正弦波输出的交—交变频器触发角的控制方案，实现了双微机控制的交—交变频器的低频控制，给出了实际运行波形。

2·When the Angle modulation signals made up of the message model have passed through a randomly time-varying channel, a complex nonlinear estimation model is formed.

当此消息模型构成的角调信号通过随机时变信道后，形成复杂的非线性估计模型。

3·The signal, after the Angle modulation, would change in its spectral structure. And the analysis on its frequency spectrum is an important and necessary step for signal processing.

信号经过角度调制后，频谱结构将发生变化，频谱分析是处理信号的重要步骤和必要的保证。

4·In addition, tilt modulation was simulated through the observation Angle transform between.

另外，我们通过全局和本地坐标系中观测角度的转换实现了倾斜调制。

5·The objective of DC power modulation is to damp the relative swing of angle and frequency of the two areas from COI.

直流输电线路功率调制的目标是阻尼区域COI功角和频率间的相互振荡。

6·It is a practical method to realize fine-index of step-angle by means of modulation phase-current on the principle of defined change law.

用调制相电流按给定规律变化的原理实现步距角的细分是一种适用的方法。

7·The experimental results show that the co-control of control angle and modulation index has better dynamic characteristics.

实验结果表明，采用控制角与调制深度相结合的双变量协调控制具有更好的动态性能。