In its simplest invocation, xargs is like a filter that takes as input a list (with each member on a single line). The tool puts those members on a single space-delimited line.
If input sigmal is supwrimpsed with high-frequency noise use a low-pass filter in the input signal line.
若输入信号伴随高频干扰,应在线里用高频过滤器。
3
The input (record) is filtered by the application of an optimum bilateral exponential filter, and the output model of gold signal for each line is produced.