Then, flaw of existing full-digital voltage commutation method is pointed out after the change of the critical area which switch sequence will encounter corresponding to the variety of displacement angle at the input-side of converter has been explicated, then several rules have been presented and used to instruct detailed voltage commutati.
通过分析输入侧功率角变化对矩阵变换器全数字电压换流技术的影响,指出现有全数字化电压换流方案的缺陷,并提出新的改进原则,接着给出详细的数字化电压换流策略实现方法,分析新方法对变换器换流次数的影响。
In order to overcome the current technical backward condition of blast-hole-drill in china,a full-digital DC SR system of mining blast-hole-drill is developed by using Intel 16-bit 80196CKC monolithic computer.
根据目前国内矿用牙轮钻机的技术落后现状 ,研制了一种以Intel 16位单片机 80C196KC为核心的专用全数字化的直流调速系统 ,介绍了系统的原理结构、性能特点 ,实践证明了系统的可行性和先进性 ,具有满意的性能和良好的应用前景。
This paper uses TI company special-purpose on TMS320F240 type Digital Signal Processor (DSP) that controls electrical machines as the core, designs and develops software and hardware of the full-digital PMSM vector control speed adjustment system which reduces system, and elevates its availability.
本文采用TI公司专用于电机控制的TMS320F240型数字信号处理器(DSP)作为核心，设计并开发了全数字化的PMSM矢量控制调速系统的软、硬件，简化了系统，并提高了系统的通用性。
As the newst alternative current transmission form,digital vector-controlling frequency-converting transmission has shown great advantage.
全数字化矢量控制变频传动作为交流传动最新水平的传动方式更显示了强大优势。
With the electrical-source kinds, deepply introduced three kinds electrical-source, UPS electrical-source internet, intelligent, new digital technique and the direction developping.
根据 UPS电源的分类 ,对三种 UPS电源的特性及应用加以阐述 ,并对 UPS电源网络智能化、全数字化新技术的动向进行探讨 ,叙述了 UPS电源发展方
The all-digital target automatic tracking system of Combat Vehicle can automatically track and collect dimension information and deal with high speed target information immediately.
对具有自动跟踪的优点,而且能实现目标多维信息的数字化采集和实施高速的目标信息实时处理的《战车全数字化目标自动跟踪系统》的硬件设计和软件设计进行了简单介绍;分析了系统的性能特点和这种设计方法所具有的优点。
The all-digital design is applied to improve the performance of RCT further,including digital integrating,digital transmission,digital signal processing and digital output.
全数字化设计旨在更进一步提高互感器的性能,它包括数字积分、数字传输、数字化处理和数字输出4个部分。
To improve the integrated accuracy of high-voltage power metering system,a type of all-digital power metering system is developed based on the high-voltage electronic instrument transformers.
为了解决现有高压电能计量系统中综合误差过大的问题,采用具有数字量输出的高压电子式电压、电流互感器采集高压信号,以光纤作为二次信号传输回路,并采用一种具有数字输入接口的电能计量装置,实现了一种全数字化的高压电能计量系统。
Development and application of full digital plate quality management system;
全数字化钢板质量管理系统在济钢的开发与应用
The experiment results show that the full digital sensor-less VVVF system for induction motor has better performance, at the same time, the design method isproved validity and speed estimation is feasible.
系统的实验结果表明,这种全数字化的无速度传感器交流调速系统具有良好的性能,同时也证明了该设计方法的正确性及速度估计环节的可行性。
full digital automatic mapping system
全数字化自动测图系统
DSP Based Digital Control of Pulsed MIG;
基于DSP的脉冲MIG焊全数字化控制
Study of Control System of Digital IGBT Inverter Welding Machine;
全数字化IGBT逆变焊机控制系统研究
Study on the Control System of Full Digital and Parallel Operation Inverters;
全数字化可并联逆变器控制系统研究
Digital Control System Design of Pulsed MIG;
脉冲MIG焊全数字化控制系统研制
STUDY AND MANUFACTURE OF A NEW TYPE SPWM VARIABLE FREQUENECY DRIVE SYSTEM BASED ON DIGITAL CONTROL;
新型全数字化SPWM变频器的研制
The Study of Digital Ultrasonic Power Supply Based on DSP;
基于DSP的全数字化超声波电源的研究
The Design of All-Digital Language-Teaching-Lab;
初探语言教学实验室的全数字化设计
Research on the testing techniques of fully-digitalized substations systems
全数字化变电站系统的检测手段研究
Analysis of Digital Speech Teaching Network Based on DSP
基于DSP的全数字化语音教学网络分析
They say movies may quickly become all digital.
不久的将来电影会全面数字化。
They have created a strong tendency toward total digitalization in equipment.
它们促成了设备全面数字化的倾向。
Digitization, Humanistic Spirits and Building A Well-off Society in An All-round Way
数字化、人文精神与全面建设小康社会
Information Security Research Based on Discrete Chaotic Theory;
基于数字化混沌理论的信息安全研究
Digital Processing of Holographic Interferometry Image in Mass Transfer;
传质过程全息干涉图像的数字化处理
Research on Digital Controlled Phase-Shift Full Bridge DC-DC Converter;
移相全桥数字化ZVS直流变换器研究
Research on Digital Controlled Phase-Shift Full Bridge ZVZCS DC/DC Converter;
数字化移相全桥ZVZCS直流变换器的研究
The Development of Full Digital and Multi-channel and Automatic Inspection System;
全数字多通道自动化探伤系统的研制