All-Number Calling (ANC)是什么意思

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Technology for mine intrinsic safe full digital camera, recorder and player combination;

矿用本安型全数字摄录放一体机技术

In this paper, the first full digital rectifier control system based on SIMADYN D is designed for 230kA DC power supply system of electrolytic aluminium at some aluminium corporation in china.

本文为某铝业公司电解铝用230kA直流供电系统,设计国内首套基于SIMADYND全数字整流控制系统。

The control strategies and realization for a full digital DC servo system are described in this paper.

文章提出了全数字直流伺服系统的控制策略及实现。

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。

In this paper, study on all-digital control IGBT inverter arc welding power source for robot is developed to bring robot's advantages into full play.

弧焊机器人在现代焊接生产中正在发挥越来越重要的作用，但目前现有焊接电源很难满足机器人系统对电源的要求，为了充分发挥其优势，本论文开展了全数字化控制机器人用IGBT逆变弧焊电源的研究工作。

A constant-speed system of BLDCM with all-digital phase-locked loop was designed.

设计了一个高速无刷直流电动机全数字锁相稳速系统,通过单片机与CPLD的合理配合,使系统以简单的电路实现了对电机转速的高精度控制。

We propose a hardware design for an all-digital AC variable speed control system.

讨论了基于DSP TMS320F240的全数字交流调速系统的硬件设计。

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 whole fully digital controlling process was implemented with TMS320LF2407 and assembles language.

在介绍永磁同步电动机(PMSM)数学模型和矢量控制理论的基础上,给出了用id=0的矢量控制方法和系统框图,并用专用电机控制芯片TMS320LF2407和汇编语言实现其全数字化控制的过程。

The core a fully digital AC servo system, which lakes place the electric - fluid drive gun control system.

提出了以全数字交流伺服系统为中心的全电式炮控系统替代现有的电液式炮控系统的设计方案,并对伺服系统的设计进行了详细的阐述,试验结果表明系统具有很好的动静态性能,能显著地提高炮控系统性能。

The modified field system with the fully digital DC converter for DC generator motor is used on large rolling mills The text explains its dispositions, functions and control characteristics The system can improved the control and reliability It is of certain significance to improve quality of products and reduce consumption of energ

采用全数字直流调速装置对大型轧机直流电动机机组励磁系统进行改造 ,详细说明其配置、功能和控制特点 ,该方案实施后 ,提高了电气设备的控制性能及可靠性 ,对轧机的运行、提高产品质量、降低能耗等方面具有一定的现实意义。

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。