晶体管交流毫伏表只能用于正弦电压测量，使测量任意波形电压受到限制。
Transistor AC millivoltmeters specially used to measure the sinusoidal voltage are limited in measuring any other waves of voltage.
通过修改数据表可以产生方波、三角波或其他任意波形信号。
Square waveform, triangle waveform and arbitrary waveform may be obtained by modifying the look-up table.
传统的工频耐压试验是通过电压表，电流表，功率分析仪，频谱分析仪等等来分别测量波形及其各个参数的。
The traditional measure method of the power withstand test is to use the voltage meter, ammeter, power analyzer, frequency analyzer etc to measure the waveform and parameters of the power signals.
介绍了一种新型的交流灯丝电源的基表原理，描述了其实现方法，最后给出了实验波形。
The principle of a new AC filament power and its implementation method are introduced in the paper.
FPGA的输出是固定频率、计数器和数字比较器使占空比可变的典型波形(表1)。
The output of the FPGA is typically a waveform with a fixed-frequency, variable-duty cycle, which a counter and a digital comparator generate (Listing 1).
FPGA的输出是固定频率、计数器和数字比较器使占空比可变的典型波形(表1)。
The output of the FPGA is typically a waveform with a fixed-frequency, variable-duty cycle, which a counter and a digital comparator generate (Listing 1).
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