通断

应用ISD1420系列集成语音电路发音，红外光控器的通断对应鼓槌敲击，模拟鼓槌敲击鼓皮振动发声，制作了无皮鼓。

Using ISD1420 series integrated phonetic circuit to produce sound and infrared diode on-off switch to simulate the beating process , a drum without drumhead is invented .

低压电器交流通断试验参数的调整

Adjustment of Test Parameters for AC LV Electric Apparatus on-off

低压电器通断能力试验PLC控制系统

PLC 's Control System of Make-Break Capacity of Low Voltage Apparatus

浅谈开关电器通断能力试验的PLC程序编制

Simply Talking about the PLC 's Program - compiling Problems of a Switching Device 's Make-break Capacity Trial

低压控制电器额定通断能力试验f和γ参数的测试和调整

Measurement and adjustment of parameters f & γ for making and breaking capacity test of low voltage control apparatus

Ka频段卫星通信中，降雨引起的信号衰减对通信链路的通断起着非常重要的作用。

Rain attenuation has a significant impact on Ka-band satellite communication links .

低压电器通断能力试验两种PLC程序编制方法的分析与比较

Aanalysis and Comparison about Two Types of PLC 's Program Compiling Methods for the Test of Making and Breaking Capacity of LV Electrical Apparatus

介绍了话音的通断特性和如何提取实用的T－N模式通断信号，以及话音／数据共享单信道后的复帧结构。

This paper introduced the voice 's on / off characteristics and how to draw the practical T N model on / off signals , voice data , etc.

采用以IGBT为主组成的电子开关通断合/分闸线圈电流。

It adopts Electronic switch being composed of IGBT to control the opening / closing coil current .

该模块采用双电源驱动，有过流过压检测电路和保证IGBT可靠通断电路。

It has an over current and over voltage protection circuit and a reliable on off circuit for IGBF .

而要对PCB板的物理通断进行电气测量，首先必须知道PCB板正确的物理连接（即PCB的网络分布）情况。

However , it is necessary to obtain the correct physical connections of the PCB ( the correct net distributing of PCB ) before testing it .

利用PN结对正反向电流表现出的通断特性，半导体二极管常在脉冲电路中作为开关使用。

Due to the on / off characteristic of P-N junction to the forward and reverse current , semiconductor diode often uses as switch in pulse circuit .

根据维修需要研制了一种心电导联线检测盒，能使心电导联线的每根线在电路中分别形成回路，通过LED指示其通断。

According to the needs of maintenances a detection kit for ECG cable is developed to detect the onoff condition of the wire , which can form a loop , and to indicate the result on a LED .

实现VLC系统的关键是LED，LED被认为是下一代绿色照明设备，它不仅低能耗，使用寿命长，尺寸小，绿色环保，而且还可以用其通断的发光原理传输信号。

Next generation of green lighting equipment , it is not only low power consumption , long life , small size , green , and you can also use its transmission modulation signal .

功放设计中，以电流型PWM控制器UC3842为控制核心，产生控制模拟开关通断时间的PWM信号；

The current type PWM controller UC3842 is used as control core in power amplifier design to produce PWM signals that control times of analog switch .

全桥软开关移相控制技术由智能DSP系统完成，采样信号采用差分传输，控制算法采用模糊自适应PID算法，产生数字PWM波配合驱动电路控制全桥开关的通断。

The technique of full-bridge soft switch is completed by the aptitude DSP system , sampling differential signal transmission , adopting fuzzy adaptive PID control arithmetic , producing digital PWM work with drive circuit to control full-bridge switch .

测控部分通过单片机完成了对IGBT通断时间的控制，对风轮转速和充电电压的数据采集、处理和显示，以及对继电器通断的控制。

The controlled of IGBT , the collection to the data of speed and charge voltage as well as the control of the relay are completed by monitoring and control system .

通过微控制器向斩波电路和逆变电路发出驱动信号，控制IGBT的通断，达到控制输出波形的目的。

The signal coming from the microcontroller is used as drivable signal of chopper and inverter circuit to control the IGBT and it can attain the purpose of control the discharge wave-form .

本文以交流接触器额定通断能力试验PLC控制系统为例，分析与比较了基本逻辑法和顺序控制法两种PLC编程方法的优、缺点。

Exemplified by a PLC control system of AC contactor 's rated making breaking capacity test , this paper analysed and compared the excellences and disadvantages of two PLC procedure 's compiling methods about basic logic method and order control method .

互斥晶闸管组通断控制方法在OLTC中的应用

Application of Switching Mutual Repulsive Thyristors in OLTC Method of Switching Mutual Repulsive Thyristors Switch in the Tap Changing Process of On-load Transformer

该拓扑结构是在逆变桥和电源之间增加一个充放电电容和两个IGBT，通过IGBT控制电源通断，使电容充放电，形成软开关的条件。

This soft-switching structure increases a charge-discharge capacitor and two IGBTs between inverter and power , IGBT control the power turn-on and off , causing the capacitor charging and discharging , forming a soft-switching condition .

PDP，等离子显示板，是一种利用电极电离气体放电的显示技术，电极的通断情况将直接影响PDP的图像显示效果。

PDP , plasma display panel , is a kind of display technology that the electrode ionizes gas to discharge . The state of PDP electrodes will directly affect the image display of PDP .

基于通断键控（OOK）调制信号进行研究，计算了信道响应系数向量，然后对算法仿真。

Lenst mean square ( LMS ) class and constant modulus algorithm ( CMA ) equalizer are studied based on on-off key ( OOK ) modulation .

由于交流等离子显示板（ACPDP）放电电流的形状复杂，不能采用数学式来表达，故器件功耗的测量存在许多困难。本文介绍测量ACPDP功耗的通断法和示波器法。

Because the shape of ACPDP 's discharge current is complicated and could not be expressed by a mathematical expression , it is difficult to measure ACPDP 's power consumption .

硬件部分包括电源模块、MCU模块、电压与电流信号采集测量模块、回路通断控制模块、存储模块、串口通信模块和发光二极管指示模块，并详细介绍了各个模块的设计。

The design of the hardware part includes power module , MCU module , voltage and current signal acquisition module , circuit on-off controlling module , memory module , serial communication module , light-emitting diode displaying module , and introduces the hardware design of the whole process of each part .

主开关实现了零电流开通、零电压关断，开关管电压电流应力小，辅助开关实现了零电流通断，特别适用于以IGBT作为开关器件的高电压大功率场合。

The main switch achieves the zero-current turn on and zero-voltage turn off with the low voltage and current stress . The auxiliary switch achieves the zero-current turn on and turn off , especially applied to the high power where IGBT is predominantly used as the power switches .

基于ISO18000-6C提出了，发送电路采用通断键控调制的体系结构，接收电路采用双通道零中频体系结构。

Based on ISO 18000-6C , It is proposed that transmitter uses OOK modulation architecture and receiver uses dual-channel zero-IF architecture .

工况的给定是通过80C196KC的高速输入口实现的，斩波器的通断受80C196KC的高速输出口或I/O口的控制。

The setting of working conditions was achieved by the HSI ports of80C196KC and the chopper was controlled by the signal outputted by HSO and I / O ports of80C196KC too .

文中对OOK（通断键控）信号在表示符号零时无相位值的问题，应用相位插补技术加以解决并给出了仿真应用实例。

The paper presents an example of applying the interpolation technique to solve the problem that the OOK signal have no phase value when we use it to transmit the symbol zero , and then offers a practical simulation case .

防爆开关通断试验装置的研制

The Development of on - off Tester of Flameproof Switch