【摘要】 在虚拟仪器(VI)LabVIEW6.i软件平台上,编写了VI程序;利用该VI程序测量开关电源输出量的谐波;最后,作为测量举例,列出了三种电子设备中开关电源谐波分量的测量数据,测量了输出电流信号功率谱。实测结果表明,该方法是可行的和有效的。更多还原

【Abstract】 Based on LabVIEW 6.i workbench, we design a virtual instrument(VI) program. Using the VI program to measure the harmonic of switching power supply. For example, this paper lists harmonic component measurement data of switching power supply in three electric devices, and measures the power spectrum of output current signal. The result shows this method is feasible and effective.更多还原