primary switch 中文意思是什麼
primary switch
解釋
初級接線器-
The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation
二、在高頻變壓器原邊，當開關管接收控制信號脈沖列（經調制的spwm波列）導通時，在低頻調制信號的正半周或負半周內，施加在變壓器繞組上的是同一方向的電壓，變壓器磁芯中的磁通可能將級進地逐漸增加，導致磁芯飽和，造成磁偏或單向磁化，導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。 -
Before the 1990s, the digital transmission equipment was based on the technical standards of plesiochronous digital hierarchy ( pdh ). in order to connect the switch to pdh transmission equipment, the switch side needs lots of terminal equipment of the primary rate, i. e., 2048 kbits ( 2m ) switching terminal circuits in compliance with itu - t standards ( e. g. s1240 s dtm trunk module and axe10 s etc module ) and ansi - standard - based 1544 kbits ones
在90年代初期以前，數字傳輸設備是建立在pdh （ plesiochronousdigitalhierarchy ）技術標準上，為了連接交換機到pdh傳輸設備上，在交換機側需要大量的符合基群速率的終端設備，即符合itu - t標準的2048kbits （ 2m ）交換終端電路（如s1240的dtm中繼模塊， axe10的etc模塊）和符合ansi標準的1544kbits交換終端電路等。 -
The current transformer is fully enclosed structure. the terminal p1 of the primary winding is as the static contact of the switch cabinet and placed inside the epoxy - resin insulation cavity
本型電流互感器為全封閉結構，其一次繞組的p1端子，直接作為開關櫃中的靜觸頭被設置在環氧澆注的絕緣空腔內。 -
Digital feedback twice sampling a / d converter is based on common accurate dual integral a / d converter. during the second sampling, through the control logic, programmable counters and switch control, realize digital feedback and substitute primary analogue feedback realized by high accuracy d / a converter
在第二次采樣中，通過控制邏輯、可編程計數器和開關控制來實現數字反饋，以取代原有的兩次采樣a / d轉換器中通過高準確度d / a轉換器所實現的模擬反饋。 -
If you switch roles between the primary server instance and a secondary server instance, you must drop all the database snapshots before you can set the primary database up as a secondary database
如果您在主服務器實例和輔助服務器實例之間切換角色，則在將主數據庫設置為輔助數據庫之前，必須先刪除所有數據庫快照。 -
As a result of employing multilevel phase - shifted method with zig zag connection in transformer secondary, in the primary the current harmonics their orders are lower than 6m 1 are eliminated ( m is the number of power cell each phase ). in the inverter side because of using pulse shifting pwm control, the equivalent switch frequency of output is m times as high as one h - bridge, so the output voltage waveform of the inverter is near sine with less harmonics
對于整流電路，由於採用變壓器移相多重化整流，在理論上可以實現曲折變壓器一次繞組中低於6m 1次諧波電流相互抵消（ m為串聯單元個數） ；對于逆變電路，由於採用移相pwm控制方式，等效開關頻率提高m倍，因此輸出電壓接近正弦波，諧波含量較小。 -
If no specific language dialect is found, the microsoft full - text engine for sql msftesql service will automatically switch to the primary language
如果未找到特定語言的方言， sql （ msftesql ）服務的microsoft全文引擎將自動切換到主要語言。 -
Design and primary experiment of an mv - class repetitive multi - channel gas switch
級多通道重復頻率氣體開關的設計及初步實驗 -
For the exists of false alarm and trying to release the system burden, and for the exist of what we call base - rate fallacy, we try to construct a security adaptation system for the primary ids. the primary ids decide the criticality of the network environment, and give the order on switch the detection policy to the secondary ids
由於誤報情況的存在和為了減少系統的負擔，以及稱之為基率佯繆問題的存在，針對于主ids ，本文構建了一個自適應入侵檢測方法，由主ids決定系統所處的網路環境的惡劣程度，並向從ids下達指令轉變相應的策略。
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