power magnifier meaning in English

功率放大器

This paper studies the structure and computer control of an arm rehabilitative robot . this robot is droved by dc - torque motor ; this robot uses the mature pwm ( pulse width modulation ) power magnifier
本论文结合理论与实践，对手臂康复训练机器人的机构进行设计、研制样机，并对其控制系统进行研究。
In order to meet the requirement of system , the high - precision sensors , the pwm power magnifier and high - performance torque motor were used in the system . the watchdog circuits ensure the system run safely
该系统选用较高精度的传感器、 pwm功率放大电路以及高性能的力矩电机以达到系统要求，并且增加了看门狗电路以确保系统的安全运行。