Due to the lasing effect, the peak modulation frequency of extinction ratio and chirp occur at the relaxation oscillation frequency.
受激射效应影响，消光比及频率啁啾在弛豫振荡频率处达到极大值。
The result indicates that the ratio of the detectivities is approximately equal to the modulation transfer function of SPRITE detectors in the region of low spatial frequency, which is near 1.
在低空间频率范围内，后者和前者的探测率比近似等于SPRITE探测器的调制传递函数，接近于1。
Finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3k is to be adopted, as it is used in SPWM.
文中还提出了抑制谐波电流和脉动转矩的方法，如在SPWM生成中，采用较大的3的整数倍调制比。
Finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3k is to be adopted, as it is used in SPWM.
文中还提出了抑制谐波电流和脉动转矩的方法，如在SPWM生成中，采用较大的3的整数倍调制比。
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