控制信号

Can offer the signal interface of the control system , realize the interlocks function.

设计防尘、防水措施、密封性能强。8。可提供与控制系统的信号接口，实现联锁功能。

Based on the theory of frequency modulation,the principle that frequency jittering spreads the spectrum energy of the voltage and current is analyzed.

针对传统的固定频率PWM控制方式引起的波形频谱能量集中、谐波幅值较大的缺点，文章基于频率调制的理论分析了开关频率抖动技术扩散电压频谱以及电流频谱能量的基本原理，结合传统的PWM控制器，采用三角波作为调制信号实现简单的频率抖动的方法。

System control circuit, such as the ALE signal latches the address.

1系统控制电路，如ALE地址锁存信号。

This system consists of a power unit, a four-electrode probe, a constant current drive unit, pre-amplifier and filter units, a signal generator unit, and data acquisition and control units, where the signal generator unit, and the data acquisition and control units are carried out utilizing DAQ card (PCI-6024E) which is mounded inside a PC.

本系统硬体方面主要包括下列几个部份：电源电路单元、四端电极单元、定电流驱动单元、前置放大与滤波单元、信号产生单元、和资料撷取与控制单元等。

Those events would be important signals that the market has lost confidence in the Fed's ability to control inflation and in the US government's willingness to preserve the value of the dollar, necessitating a policy response.

这些活动是很重要的信号，市场已经失去了在美联储控制通货膨胀的能力和信心，美国政府愿意维持美元的价值，因此需要政策回应。

With the ability of logic programed as toCPLD,the protect circuit is designed to control the signal of PWM.

应用了CPLD灵活的逻辑可编程能力，把保护电路融入其中，达到对PWM输出信号的控制作用。

An ARM based detection-controlling software is programed to achieve control of sine wave signal generator circuit.

编写了基于ARM微控制器的测控软件，实现对正弦信号发生电路的控制。

This resonator consists of only three operational amplifiers,and provides a pules train of the switching signal to control static switch on or off with adjustable frequency f and conduction duty k.

这种谐振器仅由三个运算放大器组成，能产生开关信号脉冲列来控制静态开关的导通和关断，其频率f和导通占空比k可调。

Firstly,this thesis recapitulates the whole frame and flow chart of the software system,then particularly introduces the processing of the respiration signal,calculating method of the respiration parameters and control theory of the ventilator modes,further more, it describes the alarm function of the system.

先对模块的整体软件架构和工作流程进行概括，再详细介绍对采集信号的处理、呼吸参数计算方法以及通气模式控制算法，并对系统实现的参数报警功能做了描述。

The models and systems that have been developed include both the off-line models such as TRANSYT and PASSER, and on-line systems such as SCOOT, SCATS,UTCS, and the latest RT-TRACS, which is a framework still under development.

过去几十年来，协调信号控制策略一直是研究热点，相关的模型系统也得以开发，包括离线模型如TRANSYT、PASSER，在线系统如SCOOT、SCATS、UTCS，以及正在开发中的RT-TRACS。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。