查询词典 closed circuit television

And this paper introduced the principium, design ideal and approach of waveform presetting of waveform controlling at will The function of relevant hardware circuit controlling was design in this paper uses litter content RLC surge circuit in simulating the current signal of energy storage welding, and took it as Ug to control the inverter cap energy storage spot welding machine. It realized HFPEC resistance spot welding with hardware circuit and got the effect as good as the system controlled by industrial computer and realized the customization and the low cost of welding machine.

本文所设计的相应硬件控制功能，采用小容量RLC 放电回路来模拟输出储能焊过程的电流波形，由此作为电流给定信号直接控制逆变式电容储能点焊电源，实现了完全由硬件电路构成的高频脉冲电阻点焊，能够获得焊接设备的专用化和低成本化的结果，并且可以得到与工控机控制系统相当的焊接效果。

In order to enhance the performance of the regulator circuit,through the analysis of one stage shunt regulator circuit,this paper proposes a new type of two stage regulator circuit,which can be used in UHF RFID tag.

为了提高稳压器的性能，通过对一级分流稳压电路的研究，提出了一种新型的，可以用于超高频射频标签中的两级分流稳压电路。

If the oxygen sensor heater circuit is wired directly to the control unit, an A/D converter with a basic shunt circuit is used to directly check the current of the circuit Fig.

如果氧传感器加热电路直接连接到控制器，具有一个基本的并联电路的 A/D 转换器可用于直接检查当前的电路(图 6)。

In theory,the blocking circuit for the energy conversion technique and its optimized circuit are described.A two-mode shunt circuit is designed and implemented for an experimental supported cantilever beam.

其中利用分支电路的压电阻尼技术的被动控制技术由于其结构简单，易于实现，不需要大功率能源等优点而广泛的应用于各个工程领域。

A sort of quality detection system based on DSP and VB for power circuit board drive was designed,which mainly aimed at the phenomenon of lower detection speed,complicated control circuit,lower level visualization for industrial sewing machine power circuit board .

针对工业缝纫机功率电路质检系统存在检测速度慢、控制电路复杂、可视化程度低等问题，提出了基于DSP和VB的驱动器功率电路质检系统的设计方案。

Overall system is constituted by temperature sensor, signal gathering electric circuit, keyboard, display circuit, E2PROM reading-writing electric circuit.

本设计采用AT89S51单片机的两个I/O口扩展I2C总线，整个系统由温度传感器，信号采集电路、键盘、显示电路、E2PROM读写电路构成。

The whole circuit includes two parts, one is pulse generator circuit, the other is SCR drive circuit.

整个电路包括了脉冲发生电路和驱动电路两部分。

The equipment is by repositions the pressed key initialize the system complete machine, by the potentiometer function in the analog input related sur- electric circuit's signal, through the monolithic integrated circuit interior appreciation, triggers the monolithic integrated circuit system function operation.

设备是以复位按键启动系统整机，由电位器作用于模拟输入相关外加电路的信号，通过单片机内部鉴识，触发单片机系统功能操作。

It also gives the equivalent circuit of coupling circuit and the expression of total impedance of equivalent circuit.

给出了耦合回路的等效电路和等效电路的总阻抗表示式。

It also gives the equivalent circuit of coupling circuit and the expression of total impedance of equivalent circuit.

该系统的等效阻抗是分析研究具体电路增益、藕合系数等物理量的关键。本文以

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。