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本文通过求取样器件开关电导函数g(t)的富利叶变换H(w),导出了计算取样变换过程的频宽和效率的数学表达式;分析了零阶保持电路的脉冲响应;最后讨论了零阶保持取样电路作为“系统黑盒”的一些主要用途。
In this paper, we obtain the mathematical expression for calculating the bandwidth and efficiency of sampling transform by calculating the Fourier transform H (w) of the switch conductance g (t) of the sample device. The impulse response of the zero-order hold circuit is analyzed. Finally, Zero-order hold sampling circuits are some of the major uses of “system black boxes.”