Because direct current motor's governor deflection is broad, the velocity modulation characteristic is smooth. 由于直流电动机的调速范围宽广,调速特性平滑。
The relations between deflection signal and parameters of coating, substrate and modulation frequency are analysed by numerical calculation. 通过数值计算,分析了偏转信号与薄膜参数、基体参数以及调制频率之间的关系,用反射式光热偏转装置对光学薄膜的光热偏转信号进行了实验研究。
Theory of photothermal optical beam deflection at square-wave modulation 方波调制时的光热光束偏转理论
The method of spatial-time sequence transform used to measure deflection and modulation of acousto-optic 声光偏转、声光调制及其空-时序转换法测量
After the study of 36 ° Y LN/ PM of acousto-optic devices, the curve of deflection and modulation is drawn. The result of experiment coincided with the theory basically. 对36°Y切LN/PM声光器件进行了实验研究,得出了其声光偏转和声光调制特性曲线,实验所得结果与理论基本吻合。
Regarding above 2 frequency division governor deflection, with the voltage and velocity modulation unifies to carry on supplementary, has analyzed the characteristic of the frequency conversion velocity modulation and the voltage and velocity modulation, it has realized the entire scope velocity modulation plan. 对于2分频以上的调速范围采用与调压调速相结合的方式进行互补,分析了变频调速与调压调速的特点,实现了全范围调速方案。
On the basis of these, acousto-optic deflection measurement, acousto-optic modulation efficiency measurement and ultrasonic velocity measurement have been done, and actual measuring results in accord with theoretical values have been obtained. 在此基础上开展了声光偏转测量、声光调制效率测量和超声声速测量研究,并取得了与理论值吻合的实测结果。