自动控制

Based on the analysis of characteristics of smart antenna,detailed discussion is performed for the theoretical methods of smart antenna. According to different methods of antenna beam processing and forming,smart antenna's architecture and classification are introduced.

0引言智能天线的概念是90年代初由一些学者提出，在微波技术、自动控制理论、自适应天线技术、数字信号处理技术和软件无线电技术等多学科基础上综合发展而成的一门新技术。

The high pressure hose and the low pressure hose are mainly used as the high pressure hose and the brake oil line of machine, automobile, engineering machine, motorbike and as the pneumatic instrument line for the autocontrol system of petroleum, chemical industry, medicine, refining and so on.

高压、压软管主要用于机床、车、程机械、托车上的高压软管、车油管及石油、工、药、炼等工业自动控制中气动仪表线等等。

The automatic control and the velocitymodulation systemofchamfering machine involve programmable controller,DC speed regulating system,frequency converter and the electronic cam switch .

倒棱机的自动控制与调速系统涉及可编程控制器、直流调速系统、变频器、电子凸轮开关等自动化设备，这些自动化设备之间协调配合非常重要。

Through the research,design and application of hydraulic system and automatic control device on rotary car dumper , the problems of ZFJ-100 car dumper such as rotary impact occured in pure mechanic driving and higher trouble rate result from man 's misoperation were solved The technical level and performance of this equipment was improved,and its operating rate was increase

通过对转子式翻车机液压系统及自动控制的研究、设计和运用，解决了ZFJ -10 0型翻车机在纯机械传动时所无法克服配车翻转冲击和人为因素造成的高故障率。

The IC also contains Do pin terminal,enabling cascade connection,and therefore is suitable for automatic control in combination with a microcomputer.

该IC还包含DO引脚终端，使级联连接，因此是合适的结合自动控制与微机。

This paper introduced the design and improved requirement, system structure, operation principle and main technical specification of the automatic cement intensity of breaking tester.

笔者新研制成功的机电一体化新一代SYQ型液压式全自动水泥抗压强试验机和SYZ新型全自动水泥抗折强度试验机产品，由计算机自动控制，其性能达到国内领先水平，并且二者可以合成一体或者联机，这里介绍了全自动水泥强度综合试验机的系统构成、工作原理和主要特

This module machine tool needs to be realized to drill the center bore and mill the ends of the axle.Also it can do with automatic control and by hand.

本组合机床要求能实现钻中心孔和铣两端面，能进行手动和自动控制，铣削头能作10mm的微调。

Based on the double-loop DC motor speed automatic control system works, the paper design and research the coal mine hoist DC converter system.

本文根据直流电动机双闭环调速自动控制系统的工作原理，对煤矿矿井提升机直流调速系统进行了设计和研究。

This project makes all-directions auto controls to the work process and craftwork flow on Power Plant Coal Stacker, in which the fixed position system for big car and perpendicular and level position of big arm are designed.

该方案对斗轮机的整个工作工艺及流程进行了全方位的自动控制，设计了斗轮机大车、大臂水平、大臂垂直位置的定位系统。

This paper analyses principles for power frequency inductive furnace and power factor parallel compensation and three phases balance,deals with processes of power factor compensation and three phases balance for PLC automatic power inductive furnace.

文摘：分析了工频感应炉的工作原理、功率因数并联补偿原理和三相平衡原理。论述了PLC自动控制工频炉的功率因数补偿、三相平衡的过程。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新