zero-stage 中文意思是什麼
zero-stage
解釋
啟動階段-
This thesis focuses on the development of the dc / dc stage, which adopted the phase - shifted zero - voltage - switching ( zvs ) pwm full - bridge converter with two clamping diodes
本文主要研究單相靜止變流器的dc / dc級，它採用加箝位二極體的移相控制zvspwm全橋直流變換器。 -
The exact expression is n = 4 ", in which n is the stage of koch curve. since we only consider one generator in computation process, so we simplify it as n = 4 ). the critical point of this kind of koch curve is zero, also called zero temperature phase transition, and this is the character of all the limited branching systems
無分支科赫曲線是一種典型的分形，前人的研究都局限於n = 4 （ n是用線元，面元，或體元覆蓋分形系統所需要的覆蓋次數，確切的應該寫成n = 4 ~ n ，其中n為科赫曲線的級，但我們在重整化群計算時只考慮一個生成元，所以簡化為n = 4 ）情況，這種科赫曲線的相變點為零，是一種零溫相變，這也是有限分岔系統的相變特徵。 -
This show us a very useful signal in studying the systematic property in the early stage of the evolutive colliding system, that ' s, a non - zero flow component of those particles observed by experiment could be interpreted as a signal for partonic flow
因此在碰撞早期產生的重子數輸運是高能重離子碰撞中的一個重要的物理量，它影響著初態部分子的平衡，粒子的產生，系統的熱力學或化學平衡以及集體膨脹等過程。 -
Main functions : 3 - stage complex - voltage blocked overcurrent protection, 3 - stage zero - sequence overcurrent protection, clearance discharging zero - sequence overcurrent protection, zero - sequence overvoltage protection, overvoltage alarming, overload alarming, fan start stop, tap changer blocking, pt wire broken blocking and alarming, etc
其保護配置：復合電壓閉鎖過流段保護，零序過流段保護，間隙放電零序過流保護，零序過壓保護。 -
The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier
本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究，分析了這些技術的工作原理和優缺點，在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時，為了使輸入共模電壓范圍達到軌至軌，不是採用傳統的差動輸入結構，而是採用了nmos管和pmos管並聯的互補差動輸入對結構，並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中，電流鏡負載並不是採用傳統的標準共源共柵結構，而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時，為了提高效率，採用了推挽共源級放大器作為輸出級，輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計，採用了帶電流鏡負載的差分放大器設計了一個基準電流源，給運放提供穩定的偏置電流和偏置電壓，保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。 -
Above all, this paper work on the principle of simulink. principle of block and model are explained during initialization and execution stage. then runge - kutta ( 4, 5 ) formula which is a main numerical integration method of simulink and zero crossing detection function are analyzed
從構成模型的基本單元? ?模塊入手，闡述其運行機理並對模型的執行階段進行全過程分析，然後介紹simulink的主要數值積分方法? ?四?五階變步長runge - kutta法的基本積分原理，以及simulink的拐點處理功能? ?過零點檢測技術（ zerocrossingdetection ）的基本原理。 -
Deducing the transfer function of the system, one controller is constructed and it has the wide frequencies isolation performance and zero force transfer rate. the active vibration isolation simulation is made and the results show that the two - stage isolation mounting with the controller constructed using the method mentioned in this paper has perfect isolation property and this provide new way for controller design. 4
通過對雙層隔振振動主動控制系統模型的力傳遞函數的深入研究，構造了一種具有寬帶隔振性能的理論上具有零力傳遞率的控制器，並進行了數字模擬研究，取得了理想的模擬效果，為振動主動控制控制器的設計提供了新的思路。 -
Set this state to the zero - based index of the coordinate set for each vertex that this texture stage uses
對於此紋理貼圖層使用的每個頂點，將此狀態設置為坐標集的從零開始的索引。 -
In our country it is just in start stage, whereas in the backward regions like the north - west china and north china, the risk management of the project is nearly zero
在我國則才開始，而在我國西北、華北等經濟相對落後的地區，承包商的項目風險管理幾乎為零。 -
This system has very little even zero damping when stage starting ; and then the damping becomes very strong when the stage is close to the positioning place
該可變阻尼系統在平臺啟動時阻尼很小或為零，而當平臺接近定位位置的瞬時阻尼很大。 -
As a result, there are some disadvantages for its large size, heavy weight and lower efficiency. in this paper, phase - shifted zero - voltage - switching pwm converter is presented, which is help to ruduce the size and improve the efficiency of inverter. in the later stage, we adopted a pic microcomputer as the control chip, whose low price decreases the price of the inverter
在逆變環節中，本文採用體積小、功能全、價格便宜而且簡單易學的單片機pic16c72作為控制晶元，對前級直流電壓進行spwm正弦脈寬調制，從而產生了高質量的正弦輸出電壓波形，減小了輸出電壓中的諧波含量。
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