宽带系统校准的新方法
ELECTRICAL MEASUREMENT & INSTRUMENTATION(2004)
Abstract
通常的扫频源法对系统进行校准时只能校准其幅频响应而丢失了相位信息.本方法可以利用Hilbert(希尔伯特)变换恢复原扫频源法丢失的相位信息,由幅度和相位信息重构宽带系统的冲激响应和阶跃响应,以实现对宽带系统,例如各类示波器进行较为精确的校准.
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