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modulated造句
151. A novel inverter output filter consists of the variable inductance and capacitor is proposed for pulse-width modulated( PWM) drive system. 152. Aim To develop a laser diode modulated driver power for synthesis heterodyne interference. 153. Laser range finders are often based on the phase shift method, a technique for measuring distances in the following way. A laser beam with sinusoidally modulated optical power is sent to a target. 154. In the paper. the interference intensity of signal laser beam and the reference one is carried out in detail on a heterodyne laser probe with amplitude modulated laser source.