The conversion of a modulated carrier wave into a current equivalent to the original signal.
将信号转变成适合于传输的被调制信号的一种操作装置。
Due to the excellent modulation characteristics of laser diode (LD), the infused current of the LD is modulated to make the intensity of the laser beam change with the modulation signal.
本文利用半导体激光器良好的调制特性，对其注入电流进行调制，使激光器输出光强随调制信号变化。
In the second one, the input current displacement Angle is dynamically modulated as a function of positive-and negative-sequence components of the input voltages.
第二种控制策略中，输入电流矢量根据输入电压正、负序成分进行动态调制。
Because the modulated form of the LFM signal in different PRI is not known to the jammer, which destroies the correlation of the jamming signal and the SAR transmitted signal in the current PRI.
由于雷达信号调制形式干扰方未知，降低了干扰信号和当前雷达发射脉冲信号之间的相关性。
The setting is introduced on the relationship between primary frequency modulation speed difference and primary frequency modulation load for current modulated type steam turbines with base-load.
介绍了目前电调型带基本负荷汽轮机的一次调频转差与调频负荷关系曲线的设置情况。
It will give patients treatment by means of the amplified amplitude modulating wave current that can be obtained form medium frequency amplitude modulated by the low frequency pulse signal.
它将有关低频脉冲信号对中频调幅后，利用被放大的调幅波电流对人体进行治疗。
The fundamental control method for this drive system is introduced, and a concept of magnetic poles modulated by continuous current is presented.
介绍该直流驱动系统的基本控制方法，提出续流调磁的设计思想。
This module uses a circuit topology of forward pulse width modulated - zero current quasi - resonance soft - switching , combined with active clamp technology.
该变换器电路结构上采用正激一零电流准谐振软开关电路拓扑结构，并结合了有源钳位技术；
ConclusionThe modulated medium frequency low frequency current hydroelectric bath therapy is a simple, safe and better effect method for sequela of ankle fracture.
结论低频调制的中频电水浴疗法是治疗踝部骨折后遗症的一种简单、安全、疗效好的方法。
The charging and discharging currents are controlled by the current flowing into IIN, and are modulated by the voltages applied to FADJ and DADJ.
充放电的电流是由流入IIN端的电流来控制的，并由加到FADJ和DADJ上的电压调制。
ObjectiveTo compare the effects of modulated medium frequency low frequency current hydroelectric bath therapy and electromagnetic therapy on heel pain.
目的比较低频调制的中频电水浴疗法与电磁疗法治疗[足]跟痛的疗效。
In this paper, a current control mathematical model is established with fixed switching frequency for three-phase pulse width modulated (PWM) converter.
建立了三相电压型PWM整流器电流控制数学模型，输入电流在静止坐标系下实现了固定开关频率的解耦控制。
Direct current modulated lasers are of huge commercial relevance and are already widely used in optical communications, telecommunications and sensor and high power fibre laser systems.
直流调制激光器有广阔的商业应用前景，并且已经广泛应用电信、远程通讯、传感器和高功率光纤激光系统。
Furthermore, the bias current can be pulsated with a switching device to modulate the emission intensities, and then the modulated component is selectively detected with the FFT analyser.
另外，可用开关装置实现偏置电流的脉冲，进而调制发射强度。然后，经过调制的组分被FFT分析器有选择性地检测。
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部（3），其根据该脉冲宽度调制波对开关元件进行驱动，将直流电压转换为三相交流电压；
ObjectiveTo observe effects of modulated medium frequency low frequency current hydroelectric bath therapy on sequela of ankle fracture.
目的观察低频调制中频电水浴疗法对踝部骨折后遗症状的疗效。
ObjectiveTo observe effects of modulated medium frequency low frequency current hydroelectric bath therapy on sequela of ankle fracture.
目的观察低频调制中频电水浴疗法对足踝扭伤后遗症状的治疗效果。
ObjectiveTo observe effects of modulated medium frequency low frequency current hydroelectric bath therapy on sequela of ankle fracture.
目的观察低频调制中频电水浴疗法对足踝扭伤后遗症状的治疗效果。
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