This paper introduces a new system for measuring the fluctuation of radar RF pulse series by using IF quadrature dual channel, and gives theoretic analysis of this system.
提出了一种利用中频正交双通道测量雷达发射机射频脉冲序列起伏的新的测量系统,并对此系统进行了理论分析。
This paper studied the three-phase PWM(pulse width modulation) rectifier in dual PWM variable frequency speed regulation system.
对双PWM变频调速系统中的三相PWM整流器及其控制方法进行了研究。
Two kinds of detection technique namely QRS detection with dual time constant and photoelectric pulse detection were used.
电路采用两种检测技术,一种为双时值QRS波检测法,另一种为光电脉搏检测法。
The high-power IGBTs are adopted to design the dual inverter arc-welding power source for variable polarity pulse MIG welding.
提出采用大功率IGBT设计变极性脉冲MIG焊双逆变弧焊电源。
Results show that the signal processing and the properties of angular resolution by the dual Gaussian pulse excitation are better than those by the singular Gaussian pulse.
结果表明:双向高斯脉冲激励的处理过程和角分辨率特性均优于单向高斯脉冲。
This paper presents a new dual-amplitude pulse position modulation (DAPPM) on the basis of PPM.
针对该问题,提出了一种新的双幅度脉冲位置调制(DAPPM)。
The pulse generator provides dual-chamber bradycardia pacing with ventricular resynchronization therapy.
本脉冲发生器可提供“室性再同步的双腔心动过缓的起搏治疗”。
A new type of dual-pulse solid rocket motor concept with an intermediate nozzle is presented and a test motor with changeable structural parameters was designed.
提出了一种带有中间喷管的新型双脉冲固体火箭发动机技术方案,设计了一台结构参数可调的试验发动机;
Amutual pulse injection-seeding scheme is developed to generate tunable dual-wavelength optical short pulses by the use of two gain-switched fabry-perot (F-P) semiconductor lasers.
报道了两个增益开关调制的法布里珀罗半导体激光器互注入锁定实验方案,可产生双波长可调谐光脉冲。
The dual self-preheating burner and pulse burn control technology are emphatically introduced.
对复合自身预热烧嘴、脉冲燃烧控制技术进行了重点介绍。
Theoretic study shows that the seeker points to the bigger power source via pulse accumulation when the dual sources have different amplitude.
理论研究表明,两点源信号幅度不相等时,脉冲积累后的导引头输出指向大功率源。
L297 chip generates pulse phase sequence signals of which the pulse width is adjustable. The signals are the input ones of dual bridge driving circuit and drive the stepper motor after amplification.
L 297芯片产生脉宽可调的脉冲相序信号,该信号作为双极性桥式功率驱动电路的输入信号,放大后驱动步进电机。
L297 chip generates pulse phase sequence signals of which the pulse width is adjustable. The signals are the input ones of dual bridge driving circuit and drive the stepper motor after amplification.
L 297芯片产生脉宽可调的脉冲相序信号,该信号作为双极性桥式功率驱动电路的输入信号,放大后驱动步进电机。
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