switching technique 中文意思是什麼
switching technique
解釋
技術, 轉接技術-
A novel phase - shifted zero - voltage and zero - current switching pwm dc / dc full - bridge converter is presented in this thesis, which is based on the groundwork of summarization of the development of power electronics in recent years and lucubration in theoretical basis of modern high frequency soft switching power convert technique and analysis of operation principle, characteristic of the circuit and inherent drawbacks of the traditional phase - shifted zero - voltage switching pwm dc / dc full - bridge converter
本文在對近年來電力電子學科的發展高度綜述和對現代高頻軟開關功率變換技術理論基礎深入研究的基礎上，對傳統的移相控制zvspwmdc dc全橋變換器的工作原理、電路特性、存在的缺點進行了分析，在此基礎上提出了一種改進型的移相控制zvzcspwmdc dc全橋變換器。 -
Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )
本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案，面對開關電源朝著輸出低電壓大電流方向發展的趨勢，提出多路輸出開關電源新的拓撲優化組合模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。 -
Based on sndm technique, a method of local capacitance - voltage characteristic characterization of ferroelectric thin films was proposed. the effect of traps at oxide - semiconductor interface on metal - oxide - semiconductor structure capacitance - voltage curve was discussed, and the influence of coercive field to the capacitance - voltage characteristics of ferroelectric thin films was also discussed. the dynamic switching of ferroelectric domain in ca doping ( pb, la ) tio3 thin film was studied by sndm from the view of electricity
利用sndm ，從純電學的角度觀察了plct薄膜中的電疇動態反轉過程，由電疇橫向擴張的移動速度的降低，發現了晶界在電疇反轉過程中對疇壁移動的阻擋作用;根據sndm和pfm的在垂直方向上的不同信息敏感深度，得到plct薄膜中電疇反轉過程中電疇是楔形疇;用pfm觀察同一電疇在去掉外加反轉電場后電疇的極化弛豫現象，結果表明空間電荷是發生極化弛豫的主要原因。 -
Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively
其次，理論分析和模擬研究結果表明，由於復位脈沖的非理想特性，單周控制的全橋開關功率放大器輸出端存在直流偏置問題，其大小與復位脈沖的寬度成正比。針對輸出直流偏置問題，提出了電壓補償的改進方案，給出了補償電壓的具體計算公式。對補償前和補償后的方案進行了對比模擬研究和實驗研究。 -
At last, control circuit of one cycle controlled bridge switching power amplifier is improved with the basic idea of one cycle control. the simulation results show that the amplifier of improved control circuit not only solve the question of output dc offset, but also keep the voltage gain lowered by voltage compensation technique
最後，根據單周控制的基本思路，改進了單周控制的全橋開關功率放大器的控制電路。模擬結果表明，改進控制電路后的系統不但解決了輸出直流偏置問題，而且解決了電壓補償方法所造成的放大器增益下降問題。 -
In the thesis, a high efficiency linear am amplifier is developed, which is based on the basic theory of eer linearization amplifier technique [ 1 ]. the high efficiency digital audio amplifier technology [ 2 ] is adopted to develop the power supply modulator and the class - d switching amplifier technology [ 3 ] is adopted to develop the high efficiency rf amplifier
本論文利用eer （ envelopeeliminationandrestoration ）線性功放技術的基本原理[ 1 ] ，採用數字音頻功放技術[ 2 ]實現高效率電源調制器，採用class - d開關放大技術[ 3 ]實現高效率載頻放大器，開發了一個集am調制和放大於一體的高效率線性功率放大器。 -
Dual randomized modulation technique is more effective than existing simple random modulation schemes, such as random position modulation or random switching frequency modulation, in dispersing the power spectrum
與已經存在的任何一種單隨機方案相比，雙隨機調制技術驅散諧波能量而使之具有更寬的帶寬，能更加有效地減少功率變換器系統的離散譜峰值。 -
High frequency switching technique is becoming more popular in the power electronics area, the high frequency power transistors are applied in the buck - boost type chopper system. the characteristics of power mosfet and insulated gate bipolar transistors ( igbt ), some new kinds of power swithing devices, are deeply studied
高頻開關技術是當今電力電子技術發展的方向，本文研究的buck - boost斬波系統中採用了高頻功率器件，所以本文對新型開關器件? ?功率mos場效應管[ mosfet ]和絕緣門極晶體管[ igbt ]的特性進行了初步研究。 -
The goal of this paper is, by serial / parallel combination technique of two - transistos forward converters ( ttfcs ), to keep the merits of the ttfc, and to overcome the shortages of it. the interleaving technique is adopted, while in combining ttfcs. the interleaving technique lowers the net ripple amplitude and raises the effective ripple frequency of the overall converter without increasing switching losses or device stresses
組合式雙管正激變換器由雙管正激變換器串並聯構成，應用交錯控制策略，在保留雙管正激變換器功率開關管電壓應力低和可靠性高的優點同時，克服了等效占空比小、副邊二極體電壓應力高、輸出電流脈動大等缺點。 -
The technique of paralleling current sharing of switching power is introduced ; the small signal model of the single dc / dc module and the multi - module is analyzed
文中介紹了電源並聯運行的各種均流技術，對單模塊dc dc電源和多模塊電源並聯運行進行了小信號分析。 -
The main works are listed as follows : ( 1 ) based on the excitation of bi - directional current pulse technique, a new measuring circuit for weak variation of resistance was proposed for electrical resistance tomography. traditional ac current source is n ' t adopted as the exciting source. through fast bi - directional current switching, the polarization effects are eliminated
該電路主要優點如下：該電路沒有採用傳統的交流電流激勵法作為系統的設計原理，而是通過快速的正負極性電流切換來削弱直流電流激勵時激勵電極的極化效應，使通過直流法來測量氣液兩相流的電阻微弱變化成為可能。 -
Full bridge phase - shifted zero - voltage - switched converter ( fbps - zvs converter ) is a successful implementation for soft - switching and is easy for usage in dc / dc converter. the core technique to reach digitalization is dsp technique. in order to reach both high frequency and digitalization of converter, a fbps - zvs converter based on dsp control is proposed in this paper the converter worked on the high frequency of 150k. periphery hardware circuit is simple and its bulk is small. the converter realizes soft - switching over half load and get a high efficiency. it achieves the aim of digital control and error protect
實現數字化的核心是dsp技術。本文立足於將開關電源的高頻化與數字化相結合，具體研究內容為一種基於dsp控制的移相全橋軟開關zvs變換器，該變換器工作于較高的開關頻率（ 150k ） ，外圍硬體電路結構簡單、器件少、體積小；在半載以上實現了開關管的zvs開關，取得了較高的變換效率；實現數字化控制與故障保護，變換器取得了較好的性能效果。 -
The technique can distinguish external fault, internal fault and switching on slight fault, without information concerning parameters of the transformer and power system is required
該方法能迅速有效的區分區外故障與區內故障，以及空載合閘于輕微故障的故障電流。 -
As the most important technique in the wholly digital - switching of hunan catv, especially on the country overcast, mmds wireless digitalized overcastting becomes an essential procedure in the way of the evolution of hunan catv
在整個湖南有線電視數字化轉換中，尤其在農村覆蓋上， mmds無線數字覆蓋是一個極其重要的一個環節，將發揮巨大作用。 -
It consists of forward stage and backward stage, of which the forward stage is a single - phase boost power factor correction circuit using ic uc3854. the backward stage main circuit is a full - bridge converter using phase - shifting control soft - switching technique
該開關電源分為前級和后級，前級為採用boost結構的單相有源功率因數校正電路，后級為採用移相控制軟開關技術的全橋變換器。 -
The inverters based on space - vector pwm technique have many good qualities, such as less pulsating torque, higher usage of dc bus voltage, less switching loss, better high - speed regulation performance, so it is applicable for the high - performance motor control system
電壓空間矢量pwm技術（ svpwm ）將逆變器和電動機視為一體，由之控制的變頻器具有輸出轉矩脈動量低、直流電壓利用率高、開關損耗小、高速調速性能好等優點，適用於高性能電機調速控制系統。 -
Mpls ( multi - protocol label switching ) as a new switching technique for the next generation network is currently a popular research topic
Mpls （ multi - protocollabelswitching ） ，即多協議標簽交換，作為下一代網路中的一項交換技術，正受到越來越多的人的關注。 -
Review on soft - switching technique and its development in dc dc power supply
直流開關電源的軟開關技術及其新發展 -
The switching technique of two - dimensional liquid chromatography and its applications
二維液相色譜切換技術及其應用 -
Output - feedback stabilization for a class of uncertain linear system based on switching technique
一類線性不確定系統基於切換的輸出反饋鎮定
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