It was found that the square wave high-voltage amplifier has the shortcomings of high power consumption and strong harmonic disturbance in displacement measurement.
但在应用中发现，方波高压放大器存在功耗高和对位移测量电路干扰大的缺点。
The paper presented the theory of sine-wave and square-wave modulated high-voltage amplifier and deduced the formula for calculating its efficiency.
介绍了基于正弦波和方波调制的高压放大器的不同工作原理，并对其出力系数进行了推导。
The experimental study for the two forms of high-voltage amplifiers shows that the efficiency of square wave modulated high-voltage amplifier increases more than 80%.
对高压放大器进行实验研究的结果表明，方波高压放大器比正弦波高压放大器出力系数增加80%以上。
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