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1·The shock response of hyperbolic tangent system is investigated under the action of forward sawtooth pulse.

研究双曲正切包装系统在前峰锯齿脉冲作用下的冲击响应。

2·Wave shaping circuits derive the other desired waveforms — square, pulse, triangle, etc. — from the sawtooth output by the core circuit.

波整形电路从核心电路的锯齿波得到其他想要的波形——方波，脉冲波，三角波。

3·Design requirements: (1) can output sawtooth, triangle wave, sine wave, pulse wave. (2) according to the keyboard command to switch between waveforms. (3) can adjust the output waveform frequency.

设计要求：(1)能够输出锯齿波，三角波，正弦波，脉冲波。(2)能根据键盘命令进行波形之间的切换。(3)能对输出的波形频率进行调节。