Finally avoidance method of working in pseudo-resonant state during the inverter's switching frequency tracing control is suggested.
提出了电源的逆变电路进行开关频率的自动跟踪时，避免电路进入似谐振状态而工作于谐振状态的方法。
It could ensure the best efficiency by making the output frequency to trace the resonance frequency with the frequency tracing technique and phase-shifted control.
本文利用频率跟踪和移相控制技术，使电源输出频率跟踪负载谐振频率变化，以保证最佳加热效率。
A wetness measurement system based on cavity perturbation method is designed for precise measuring, including automatic frequency tracing system and equal precision frequency measurement system.
以汽轮机内蒸汽湿度的准确测量为目的，设计了基于微波谐振腔微扰法的蒸汽湿度测量系统：自动频率跟踪系统和等精度频率测量系统。
To solve the problem of exaggerated angle pulse in the ratio driving and tracing measuring technique in testing in situ for large gears, the programmable dynamic frequency doubler has been developed.
为解决大齿轮在机测量过程中采用比例驱动跟踪测量技术时转角脉冲当量过大的问题，研究开发了可编程动态倍频器。
The fixed switching frequency current tracing control is adopted in high frequency bridge, so the control circuit is simple.
高频桥采用恒频电流跟踪控制，控制电路简单。
According to wave analysis and theoretical calculation of PWM inverter with delay-loop current tracing, this paper proposes a frequency control system with current tracing SPWM.
通过对滞环电流跟踪型pwm逆变器的波形分析和理论计算，提出一种固定开关频率型电流跟踪SPWM变频调速系统。
The variable speed constant frequency double-fed wind power system is taken as the research object and the control problem of maximum wind energy tracing below the rated wind speed is studied.
以变速恒频双馈风力发电系统为研究对象，研究了额定风速以下风能的最大追踪控制问题。
As for the periodicity of pulse tracing signals, frequency domain analysis has been used to investigate pulse tracing graph and found the significantly difference between sick and normal persons.
鉴于脉象信号的周期特性，人们将频域分析法应用在脉图的研究上，利用脉谱图分析出了病人与正常人之间存在的显著差异。
This thesis pays more attention to the drive circuit of high frequency power MOSFET, power regulation circuit and frequency-tracing circuit.
本文主要研究高频功率MOSFET的驱动电路、频率跟踪电路以及功率调节电路。
This platform can simulate the ray tracing for a fixed frequency or sweeping frequencies, also can calculate the group path and the covered region of rays.
该平台可实现定频或扫频射线轨迹演示，计算各射线群路径，覆盖区域等功能。
Ray path tracing is a key step to apply geometrical theory of diffraction in solving the problems of high frequency electromagnetic scattering and radiating.
在高性能微波暗室技术设计中，由于静区指标较高，采用一般的几何光学技术不能进行准确计算，因此需采用几何绕射理论技术。
Ray path tracing is a key step to apply geometrical theory of diffraction in solving the problems of high frequency electromagnetic scattering and radiating.
在高性能微波暗室技术设计中，由于静区指标较高，采用一般的几何光学技术不能进行准确计算，因此需采用几何绕射理论技术。
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