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- This circuit is simple and easy realization.It is reference for realizing unipolar SPWM controlling circuit of DC/AC power supply. 该电路简单，容易实现，可作为实现单极性DC/AC电源SPWM 控制器的参考。
- A unipolar SPWM controlling circuit based on SG3525 is introduced.It includes that sampling circuit, reference circuit, SPWM pulse forming circuit, coding and delay and driving circuit. 摘要： 介绍了一种基于SG3525的单极性SPWM控制电路，其中包括取样电路、基准电路、SPWM 脉冲形成电路、编码延时驱动电路。
- unipolar SPWM 单极性SPWM
- To achieve low harmonic distortion and fast response, the single-phase full-bridge power converter adopts sinusoidal pulse-width modulation (SPWM) unipolar switching technique. 在单相全桥直流-交流功率转换器方面采用正弦脉波宽度调变单极性电压切换技术，具有低谐波失真及快速响应之性能。
- Unipolar controllers need center-tapped windings. 单极控制器需要中心抽头绕组。
- But that does not mean that the world is unipolar. 一些分析家认为霸权稳定论解释了当代国际关系的演变。
- This is a unipolar world,and the only polar is the United States. 当今世界格局仍是单极的,美国是唯一的一极。
- The Iraq war revealed the fragility of the “unipolar moment”. 伊拉克战争让美国“单极时代”的脆弱性暴露无遗。
- Analysis of patients with bipolar depression swtiched from unipolar depression. 从单相抑郁到双相抑郁的资料分析。
- It is possible to drive unipolar stepper motors with bipolar drivers. 使用多极驱动器可以驱动单极步进马达。
- Normally there are two algorithms of PWM wave, i.e. the traditional SPWM method and the latter SVPWM method. 常用的PWM 波形算法有两种,即传统的正弦脉宽调制(SPWM)方法和空间矢量脉宽调制(SVPWM)方法。
- In order to overcome this problem, Carrier Phase-Shifted SPWM (CPS-SPWM) technique has been researched. 载波相移SPWM技术(CPS-SPWM技术)就是解决这一问题的一种很好的方案。
- The simulation courses with the parameters obtained from a SPWM ASI (6KVA/50Hz /220 V). 并根据一台采用单极性倍频SPWM调制的6KVA/50Hz/220v航空静止变流器的实际参数进行仿真验证。
- Three unipolar limb leads are conventionally employed in clinical electrocardiography. 有三个单极的肢体导联习惯上用于临床心电图。
- In this paper, the programming skill and SPWM implementing method of CCU in C504are introduced. 介绍了西门子专用单片机C504中CCU的编程技巧和SPWM实现方法。
- A SPWM active vibration control system with electromagnetic actuator was designed. 开发了一种采用电磁作动器的SPWM振动主动控制系统。
- The SPWM technique, digital SPWM convertor controlled by MCU and software based control mode are used in the system. 该系统采用了正弦脉宽调制技术、微机控制的数字SPWM逆变器和软件为基础的控制模式。
- The structure, principle, and using method of a triphase SPWM signal generator SM2001 are introduced. 介绍一种可自动产生三相正弦波脉宽调制波形的专用芯片的结构、原理及使用方法。
- Interference between myopotentials and pacemakers is well recognized, especially in a unipolar pacing system. 摘要骨骼肌收缩所产生的肌电位可能会对心律调节器产生干扰，尤其是在单极性之心律调节器。
- In the beginning, the basic principle of Carrier phase-shifted SPWM (abbreviated as CPS-SPWM) technique has been analyzed in this paper. 本文首先分析了载波相移SPWM技术(CPS-SPWM)的基本原理。
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