The errors of harmonic wave analysis and direct sampling in electric parameters measurement are analyzed. The method to minimize errors is presented.
分析了电力参数微机监测中的直接采样计算法与谐波分析法的误差，并提出了减小误差的方法。
2
A methodof using the photothermal effect in the directmeasurement of diffusivity of nanometer materials is reported.
报道了一种用激光光热效应直接测量纳米材料热扩散率的方法。
3
For overcoming the shortcomings of conventional methods for vorticity measurement, a new directmeasurementof vorticity (DMV) method extracting vorticity from particle images was proposed.