其包括扫频信号产生与控制、数据采集和频率特性分析三个主要模块以及若干功能扩展模块。
This system includes creating and controlling frequence-scanning signal, datas acquiring and frequence peculiarity analyzing three main modules, and some extended modules.
可变开关频率为缓解这个问题，一种新型的准DPC控制策略与电流回路通过PWM整流器瞬时功率的分析表示。
To alleviate the problem of variable switching frequency, a novel quasi DPC control strategy with current loop was represented through the analysis of PWM rectifier instantaneous power.
相关分析显示：病程长、合并腹型肥胖、家庭收入低、监测血糖频率低与血糖控制不良有关。
Correlation analysis demonstrated that long disease course, abdominal obesity, low family incomes and low frequency of blood glucose monitoring were related to poor control of blood glucose.
将并联型有源电力滤波器控制成一阶惯性环节，在不同开关频率时分析各次谐波与补偿特性的定量关系。
A first-order inertia element was considered as the approximate model of SAPF. The compensation characteristic for each order harmonic current was obtained at different switching frequencies.
将并联型有源电力滤波器控制成一阶惯性环节，在不同开关频率时分析各次谐波与补偿特性的定量关系。
A first-order inertia element was considered as the approximate model of SAPF. The compensation characteristic for each order harmonic current was obtained at different switching frequencies.
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