switching unit 中文意思是什麼
switching unit
解釋
交換單位-
Study on thermolysis properties of affinity switching polymer containing sulfonate unit and its preparation
一種含磺酸酯基親和性變化樹脂的合成及其熱分解性能研究 -
Schottly barrier diode can be used as rectifying and continuous - flow unit in high frequency rectifying, switching and holding circuit, yet reducing the power consumption and circuit noise, enhancing the circuit efficiency and operation frequency
肖特基二極體在高頻整流、開關電路和保護電路中作為整流和續流元件，可以大幅度降低功耗，提高電路效率和使用頻率，減少電路噪聲。 -
Beijing telecom had to make its decision on the basis of the energetic development of its basic transfer network, instead of rendering it an accessory to switching. as a result, a basic unit of the transfer network of 155 mbits ( hereinafter referred to as stm - 1 ) is added so that e1s and stm - 1s coexist. the pstn and the internet prefer stm - 1 connections at the tandem exchanges, high - capacity end exchanges of users and backbone convergence points
加大傳輸網、光纜網的發展力度，基礎傳送網超前發展，不能再作交換的"附庸" ，已成為公司決策的出發點；傳輸網的基本單位要增加155mbits （下稱stm - 1 ）為單元的基本單位， e1和stm - 1並存；電話交換網和因特網在匯接局、大容量用戶端局和骨幹會聚點以stm - 1連接為首選。 -
A new full - wave measurement circuit structure is put forward that would increase distribution automation system reliability and veracity. the distributed protection and monitoring unit in this paper can instead of general instruments of low voltage distribution system. it not only combines ampere meter, voltage meter, active power meter, reactive power meter and power meter, frequency meter into a meter, but also increases monitoring position switch, control bus switching alternately and monitoring energy
本文研製的保護和測控單元，可替代低壓配電系統中所使用的常規儀表，將原來迴路需要的電流表、電壓表、有功功率表、無功功率表和功率因數表、頻率表簡化為一塊表，並增加了位置開關量檢測，控制母線投切和電度監測功能，從而極大的簡化了低壓配電二次儀表設計、安裝調試，提高了運行、維護和管理水平。 -
This unit is particularly designed for monitoring 400v feeder with backup automatic switch. it could accurately measure and calculate : voltage, current, frequency, active power, reactive power, power factor and energy. when bus gets into trouble, it can perform the function of automatic switching to backup power supply
該單元是特別針對400v饋線備自投而設計的，它具有測量母線的電壓、電流、頻率、有功功率、無功功率、功率因數以及有功電度、無功電度等電參數的功能；當母線出現故障（過壓或欠壓）時，能夠完成兩組母線的自動投切，即備自投的功能。 -
Computer control unit produces the trigger pulses for the fast switching thyristors. fast switching thyristors are connected in parallels in order to meet the capacitance requirement of the circuit. trigger pulses produced by computer are amplified and isolated by three pulse transformers
設計三級脈沖變壓器來隔離和放大計算機產生的觸發脈沖，得到強觸發信號滿足了多個快速晶閘管並聯觸發的功率要求以及系統的抗反擊電壓的要求。 -
The optical switch with double - heterostructure gaas / gaalas has low switching - voltage and light loss. and the boa - type optical switch utilizes maximum modal dispersion ( a p ), does not require a specific fabrication length or length range to operate, has simple structure, and can exhibit very high extinction - ration from its two output ports ; so it is suitable for a 2 x 2 unit of optical switch array
而boa型結構（或稱為零間隙定向耦合型）光開關利用了最大的模色散（ ） ，不需要嚴格控制特殊的製造長度或製造范圍，結構簡單，從其兩個輸出端可以得到很高的消光比，是一種很好的2 2波導型光開關單元，同時也是光開關陣列的一種較好的選擇。 -
Transient analysis amp; amp; application when switching auxiliary power source of large capacity unit
大機組廠用電源切換暫態分析及應用 -
Tsu : time switching unit
時隙交換單元 -
It is the unit in which information ( a message ) is transferred in a packet - switching network
它是分組交換網路中信息（即報文）傳遞的單位。 -
A new - type buck - boost topology that uses a two - unit ipm as main switching devices to perform charger and depolarizer ; the software / hardware implementation of a dsp ( tms320f240 ) based system controller that performs high - speed data - acquisition, event management, control algorithm and output control
-實現基於數字信號處理器tms320f240的充電裝置控制電路的軟硬體設計，實現高速的數據採集、事件管理、復雜的控制演算法和輸出控制，從而實現真正高效、快速、無損的充電過程。 -
This paper introduces the composing theory of a new highly efficient switching power supply invented for power system, with emphasis on the designing method and pivotal questions encountered wherein of the two main modules, highly efficient rectifying unit and monitoring unit
作者介紹了一種專為電力系統研發的新型高頻開關電源系統的結構組成原理，側重介紹了系統的兩個主要模塊高頻整流單元和監控單元的設計方法及在設計中的幾個關鍵問題。 -
Circuit switching unit
電路交換單元 -
The dissertation takes the pmsm ( permanent magnet synchronous motor ) ac servo drive system as research object, according to the requirement of developing high performance pmsm ac servo drive system, and combing the new development of control theories and soft - switching technology. on the basis of analysis and research of theory, a full digital pmsm ac servo drive system based on soft - switching technology is developed, with the dsp ( tms320f2812 ) and cpld ( epf10k10lc84 - 15 ) as the central control unit
本文以極具發展前景的pmsm交流伺服驅動系統為研究對象，在綜合分析現代交流伺服系統發展趨勢和借鑒前人研究成果的基礎上，針對發展高性能pmsm交流伺服驅動系統的需要並結合控制理論和軟開關技術的新發展，在理論研究的基礎上，設計實現了一套完整的基於軟開關技術並應用dsp （ tms320f2812 ）和cpld （ epf10k10lc84 - 15 ）為控制核心的全數字化pmsm交流伺服驅動系統。 -
The display and the programming key make it easy to carry out a menu - assisted configuration of the unit, switching point, zero point and span on - site
顯示和編程按鈕能方便實現菜單輔助式現場調節元件開關點零點和測量范圍。
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