干扰水平

降低Boost型变换器电磁干扰水平的峰值电流控制方法

Peak current control method of depressing the electromagnetic interference level of Boost DC / DC converter

混沌调制技术降低Buck型变换器电磁干扰水平研究

Research on Suppressing Electromagnetic Interference Level of Buck dc / dc Converter by Using Chaotic Modulation Technology

混沌控制降低新型闭环DC/DCboost变换器电磁干扰水平研究

The Research to Reduce EMI Level of New Closed-Loop DC / DC Boost Converter by Controlling Chaos

以DC／DCboost型变换器为研究对象，分别对工作于恒频以及混沌状态下变换器的高频谐波干扰水平进行了深入分析。

Regards DC / DC Boost converter as a research object , we have gone deep into high frequency harmonic interference in the converter which working in constant frequency state and chaos switching state .

为系统了解高压变电站产生的电磁环境情况，测量了13个500kV高压变电站内、外的工频电、磁场，以及变电站围墙外20m处的无线电干扰水平。

The electric filed , magnetic field and radio interference in thirteen 500 kV substations is Measured .

为验证新型峰值电流控制方法且工作于混沌状态开环DC／DCboost型变换器降低电磁干扰水平的效果，给出了新型峰值电流控制DC／DCboost型变换器的实现电路，进行了电路实验。

In order to validate the effect of the peak value current control method and working in chaos state of open-loop DC / DC Boost Converter , we have designed an open-loop DC / DC Boost converter and have done circuit experiment .

以四种混沌电路&蔡氏电路、Lorenz系统、R（？）ssler系统及四阶电容电路作为混沌信号源，比较不同混沌源调制信号降低开关模式电源电磁干扰水平的效果。

Using Chua 's circuit , Lorenz system , Rossler system and the fourth-order capacitance circuit as chaotic signal sources , the effects of different chaotic sources on reducing EMI are compared .

等离子体原子发射光谱（ICP-AES）检测技术具有检出限低、精密度好、干扰水平低、线性范围宽和多元素同时测定等优点，在痕量分析领域已得到广泛应用。

The inductively coupled plasma-atomic emission spectrometry ( ICP-AES ), which had the merits of low detection limit , good precision and accuracy , wide linear range and multi-element simultaneous detection , has been widely applied in trace analysis .

文章介绍了特高压CVT的原理及结构、应重点研究的内容，如机械强度和抗震能力、无线电干扰水平、电场分布等，给出了主要参数与性能指标。

The principle and structure of UHV CVT , and the contents of key research for UHV CVT were introduced , such as mechanical strength and anti-seismic ability , radio influence level and electric field distribution etc. , and the major parameters and performance index were given .

通过计算和试验研究找到了降低800kV特高压交流隔离开关的无线电干扰水平的途径，对屏蔽环的设计计算作了详细的阐述。

In order to reduce the radio interference level of 800 kV EHV AC disconnector , calculations and experiments are carried out , and the measures are given out in this paper . The design of shielding ring of 800 kV disconnector is introduced in detail .

降低开关电源电磁干扰水平的研究

Research to reduce electromagnetic interference level of DC / DC converter

这些措施可以大大降低侵入收发信机的干扰水平。

These improvements may reduce the interference level invading the receiver-transmitter greatly .

混沌控制方法降低开关模式电源电磁干扰水平研究

The Research to Reduce EMI Level of Switched-mode Power Supply by Controlling Chaos

李雅普诺夫指数降低开关模式电源电磁干扰水平研究

Research to Reduce Electromagnetic Interference Level of Switching-Mode Power Supply with Different Lyapunov Exponents

不同混沌源调制信号有不同的降低电磁干扰水平效果。

Different chaotic signals have different effects .

在减小辐射干扰水平方面，就理论上进行了探讨。

Research on depressing the radiation EMI level is only limited in theory in this dissertation .

本论文研究了通过控制开关模式电源中的混沌降低其电磁干扰水平问题。

To reduce EMI level of switched-mode power supply by controlling chaos is studied in this thesis .

因此采用功率控制，可以在很大程度上改善网络整体的干扰水平，提高网络质量。

Thus the power control , can greatly improve overall network interference level , improve network quality .

提出了特高压输电线路无线电干扰水平的分析方法。

An approach for analysis of the radio interference level induced by EVAC transmission line is presented .

对不同性质混沌调制信号降低电磁干扰水平效果进行了分析。

The effect of chaotic switching modulation signals of different chaotic characters on reducing the level of EMI is analyzed .

对衡量直流输电线路电话干扰水平的等效干扰电流标准进行了系统的研究。

The equivalent disturbing current , which determines the harmonic interference noise in nearby telephone circuits , is studied systematically .

具体地可以得到混沌信号混沌的程度越高，降低电磁干扰水平的效果越好的结论。

The higher the chaotic level of chaos signal is , the better the effect on reducing the level of EMI .

高压变电所内屏蔽电缆屏蔽层的正确接地，对降低外部电磁场对微机型二次设备的干扰水平，起着重要作用。

The proper earthing of the shielded layer of cable in HV substation plays an important part in reducing electromagnetic interference to the microcomputer-based secondary facilities .

本文给出的电压、电流闭环反馈型变换器，既具有较低的电磁干扰水平，又能够保持输出电压稳定。

The converter with both voltage and current feedback in this thesis not only has a lower EMI lever , but can keep the output voltage steady .

由于电磁兼容学科本身的复杂性，以及依据装置工况不同干扰水平不同的特点，实际设计中采取了滤波和屏蔽措施。

In fact , shield and filter measures are taken because of the complexity of EMC problems as well as different EMI levels of the equipment under different working conditions .

从开关模式电源电路中固有的混沌现象出发，提出了应用组合参数控制改变电路工作状态降低电磁干扰水平的思路。

On the base of chaos inherent in the switched-mode power supply the idea is present to uses controlling parameters to change the state of the circuit to reduce EMI level .

此外在设计线路走向时，应尽量避开阴雨天气相对较多的地区，以降低线路的可听噪声和无线电干扰水平，减小线路的电晕损失。

In addition , in the design of alignments , the relatively high rain areas should be avoided to reduce the line audible noise and radio interference levels and reduce corona losses .

基于受访者所描述的受干扰水平（从中度到极高度），我们列出了最具破坏性的办公室干扰源，按干扰程度从高到低排列如下：

Here are the most disruptive office distractions , ranked from worst to least worst , based on the percentage of respondents who described them as causing moderate to very high distraction levels :

得到了可以通过变换器参数的组合控制，尤其是引入峰值电流控制方法，使其工作于混沌状态降低电磁干扰水平的结论。

Drawing a conclusion that the DC / DC Boost converter working in chaos state and it depress EMI level in by changing the combination parameters control and especial introduce peak value current control .

该算法以最小化系统干扰水平为目标，其优势是具有快速达到纳什均衡的良好的收敛性能。

The algorithm aims at minimizing the SNR of the whole system , and the main advantage of the algorithm is that it can achieve the Nash Equilibrium fast and shows a better performance on convergence .