Aviation static inverter ( asi ) modules working in parallel are a new way to expand supply system capacity and it is one of the vital region power electronics 多模块并联实现大容量航空静止变流器是当今变换技术发展的重要方向之一。
The technologies including nonlinear compensation , scales conversion , algorithms of signal preprocessing , fft spectrum analyzing is emphasized 着重阐述了数据的非线性补偿技术、标度变换技术、信号预处理的各种算法、 fft谱分析技术。
In the feature extraction and identification , the paper brings forward the fuzzy and wavelet algorithm which combines the fuzzy theory and wavelet transform technique 该算法结合了模糊工具和小波变换技术，用小波变换进行特征提取。
For increasing the switching frequency and reducing switching losses and emi noise of the pfc circuits , soft - switching technologies are adopted 在功率因数校正变换器中采用软开关变换技术可以使开关频率提高、降低开关损耗、并有效抑制emi 。
The ultrasound diagnostic equipment using the technologies of digital scan conversion and digital beam forming is defined as the digital ultrasound diagnostic equipment 采用数字扫描变换技术和数字声束形成技术的超声诊断设备被称为全数字超声诊断设备。
Current - mode dc / dc converter adds a current feedback loop on the base of voltage - mode control , achieving both current and voltage feedback loop control 电流模式dc / dc变换技术是在电压模式控制的基础上,增加了电流反馈环,实现了电压和电流的双环反馈控制。
With rapid development of power electronic technology , a highly efficient power conversion technology , the problem of harmonic pollution is more and more serious 随着电力电子装置这种高效的功率变换技术得到日益广泛的应用，电网的谐波污染问题也越来越严重。
According to the characteristics of power electronics conversion technology , detailed analysis and study are made on the emc and emi of full bridge switching - mode converters 针对电力电子变换技术的特点，对全桥开关型变换器的电磁兼容和电磁干扰问题进行了较为深入的分析研究。
High - speed random sampling of high - speed digitizing storage oscilloscope is discussed in this thesis and which are mainly analysed in the time - domain and the frequency - domain 本课题研究对象是高速数字存储示波器的高速随机取样变换技术。主要从频域和时域两个方面加以分析论述。
The technology , status and development of digital to synchro or resolver conversion is expounded in details , some suggestions for the development of its technology and industry are made 摘要综述了数字式自整角机旋转变压器变换技术及国内外现状和发展；提出了该领域的技术和产业发展的建议与设想。
