A programmable pulse signalgenerator is used for controlling laser frequency, pulse width and power, when the laser pulse is controled by a computer, it can generate a series of laser pulses.
The transmitter circuit consists of a pulse signalgenerator circuit, band-pass filters, power amplifiers.
发射机电路由脉冲信号产生电路、带通滤波器、功率放大器组成。
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The dynamic force generator is based on the vibration exciter which is used as the actuator to get the needed dynamic force with the corresponding signalgenerator and power amplifier.