谐振器

Based on the high frequency power amplifier,a class E resonant high frequency DC/DC and a phase-shifted control strategy are proposed in this paper,the converter based on the idea can heighten switching frequency,reduce the loss of the system,widen the range of output.

以高频功率放大器为基础，提出了一种超高频E类谐振DC/DC变换器的移相控制策略，基于这种思想的变换器可以提高开关频率，降低系统损耗，拓宽输出范围。

Chapter 4 combines quasi-square-wave converter technique and Nth order QRC technique, and develops a general concept of Nth (N≥2) order QSWC.

第四章结合准方波技术和N阶准谐振变换器技术，发展成N阶准方波变换器。

This article deals with the study of series resonance type fault current limiter and the new type solid state fault current limiter.

本文重点研究了串联谐振式限流器和新型固态限流器。

Stability analysis: A stability analysis method for equilibrium point of closed systems is proposed.

本文所提出的闭环系统分析方法在电流模控制变换器及准谐振变换器中的推广应用表明了本方法具有宽广的应用前景，因为它们是传统PWM变换技术在控制方法及主电路变换技术方面的新发展。

Designing and founding the thermoacoustic test-bed. The structure and dimension of condenser, heater, ejector, regenerator, sound room, feedback loop, resonance forthright and pulse tube refrigerator are showed detailed.

设计并搭建了热声驱动的脉管制冷系统试验台，对系统中的冷却器、加热器、喷射泵、回热器、声容、反馈回路、谐振直路及脉管制冷机等的结构尺寸做了详细介绍。

The physics of the noise mechanism that is based on pair of active first detector understands, noise was used to eliminate a technique in circuit, twinkle in order to reduce what the switch in Gilbert first detector is in charge of noise, introduce an additional inductance and switch to be opposite in all the parasitism capacitance of source node is syntonic, the sonic system of a confusion of voices that improves whole circuit is counted and change gain to wait for crucial function index.

基于对有源混频器的噪声机制的物理理解，电路中采用了噪声消除技术，以减少Gilbert型混频器中开关管的闪烁噪声，并引入一个额外的电感和开关对共源节点的寄生电容谐振，改善整个电路的噪声系数和转换增益等关键性能指标。

A phase-shifted controlling PWM DC/DC full bridge converter with softswitching is proposed and used to realize a constant current power of20A(5～48V).This full bridge converter utilizes the transformer leakageinductance(or the resonant inductance in series with transformersprimary)and the autoecious capacitance of MOSFET to achieveZVS(Zero-Voltage-Switching),as a result it can decrease the switchingwaste,increase the switching frequency,and diminish the power bulk.

本文使用一种通过移相控制进行脉宽调制的软开关全桥变换器来实现20A(5～48V)恒流源，这种全桥变换器利用变压器的漏感、原边串联谐振电感和功率管的寄生电容来实现开关管的零电压开通，降低了开关损耗，提高了开关频率，减小了电源体积。

Setting zero-current switching quasi-resonant SEPIC converter as example, it analyzing the switching mode of SEPIC converter in detail based on the instance of switches' on-off.

以零 电流开关准谐振 SEPIC 变换器为例，根据开关管的通断情况，详细分析了 SEPIC 变换器的开关模态。

Research on the status of the applications of superconductor current limiter and solid current limiter based on FACTS techniques was followed by various application schemes proposed for applying series resonant current limiter in extra high voltage grid.

对超导型和基于FACTS技术的固态故障限流器的应用状况进行了研究，提出了在超高压电网中串联谐振式限流器的几种应用方案。

It also provides more flexibility to allocate the resonate frequencies of interest and broader bandwidths at each operation frequency as the impedance ratio of the SIR changes.

通过调节SIR上传输线的阻抗，可以在工作的双频段上灵活地调节耦合器谐振频率的位置和耦合器的带宽。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。