Measuring phase noise with a spectrum analyzer. The primary advantage of dedicated phase-noise analyzers. The cross-correlation method. Using a spectrum analyzer is the oldest, most straightforward, ...

Vibration calibration and measurement techniques are critical for ensuring the accuracy and reliability of sensors and instrumentation employed in diverse fields such as civil engineering, seismology, ...

The measurement technique of the aspheric surface is mainly for the surface form and parameters. The surface form is the three-dimensional distribution of the surface in the spatial domain. The ...