high-frequency square wave 高频方波
high frequency square wave group 高频方波群
high-frequency PWM square wave 高频PWM方波
The square wave source is an impulse source in which digital technique is used. It has the advantages of rigid phase, high frequency stabilization and high antijamming.
方波电源是采用数字技术的脉冲电源，具有相位严格、频率稳定度高，抗干扰能力强等独特的优点。
High temperature oscillator, divider and inverter produce logic square wave for working frequency so that precise frequency and stable temperature are achieved.
用高温晶体震荡器、分频器和反向器形成新的工作所需的工作频率逻辑方波，以提高工作频率精度和温度的稳定性；
This paper introduces a method to generate square wave of high resolving power and wide frequency range.
介绍了一种高分辨率宽频域方波脉冲的产生方法。
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