| 摘要 |
Envelope-type signals are detected for the input and output of a linearised amplifier (12). The variance of the signal obtained from the output is measured and a variable delay (24) between the detected signals is adjusted to minimise the variance. The value of the variable delay then gives the propagation delays through the linearised amplifier. Further envelope-type signal from the output and interpolation can be used to enhance the adjustment of the delay to minimise variance.
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