Current flowing in one circuit can switch on and off a current in a second circuit. 当电流在一个线路中流动同时关闭另一个线路。
The utility model relates to a circuit switch, in particular to be used for controlling and switching street lamps. 本实用新型涉及一种电路开关,特别是用于路灯控制和开关。
Circuit switch data transmission service 线路交换数据传输服务
Main circuit transfer switch for shed supply 主电路库用转换开关
It likes that circuit switch is the kernel of circuit switch network. 等同与程控交换是电路交换网络的核心。
The Application of OCR Technology in High-voltage Circuit Breaker Switch Image Recognition Area OCR技术在高压断路器开关图像识别中的应用
A microprocessor-based thermal expansion displacement controller is building using laser sensor and periphery circuit, and using screen circuit for switch current-constant and thermal expansion displacement control rule each other. 利用激光位移传感器及其外围电路,建立了热膨胀的微机点焊控制系统,并使用屏蔽电路实现恒流控制与热膨胀控制的相互切换。
Single Push-Button Double Circuit Lighting Switch 单按键双路照明开关
PWM-PFM Control Circuit of Switch Power Supply 开关电源的PWM-PFM控制电路
Analysis and research were done for the trigger energy and time delay characteristics in the triggering process, using the energy storage and pulse formation trigger circuit to switch on the TVS. 本文采用辅助高压击穿与能量续流的触发电路来导通真空触发开关TVS,对触发过程中的触发能量和时延特性进行了分析和研究。
In the braking unit, the inspection of DC voltage busbar and the controll circuit of switch power device were presented; 在制动单元中,给出了直流母线电压检测和开关功率器件控制电路;
Intermediate-frequency transformer plays an important role in inverter, at the same time it is the main cause to result in the surge response in circuit during switch working. 中频变压器在逆变器中起重要作用,也是引起开关工作时电路冲击响应的主要原因。
Designing of Onboard Circuit Switch Module of Great Capacity Based on FPGA 基于FPGA的大容量星上电路交换模块设计
Telephone operation and circuit switch is always the mainstream of the field of telecom since 100 years ago. 100多年来,电话业务和电路交换始终是电信业的主流。
Here discussed some Questions about electric braking in large hydrogenerators, such as guide vans leakage, the main field circuit and the generator short circuit switch during the period of generator shutdown, prototype test of several electric and mechanical braking is given. 本文讨论了大型水轮发电机电气制动停机过程中有关导叶漏水、励磁主回路和发电机短路开关的若干技术问题,并在真机上作了电气制动及机械制动的各种试验。
In the LD drive module, a new wavelength-locking technique is used to realize the high precision control of the wavelength. And slow turning on, limiter circuit and short circuit switch, which are the LD surging protection measures, are also used. 在LD控制模块中采用新型的波长锁定技术实现波长的高精度控制,同时采用软启动、限幅电路和短路开关等措施进行LD的浪涌保护。
And then, a new oil circuit extensional switch system and automatic switch control system according to motorcycle engine oil circuit system is put forward. 针对摩托车发动机油路结构特点,设计了一种新型的外接式切换油路系统以及自动切换控制系统;
Then it compared the traffic source and traffic model between circuit switch and packet switch, and survey the usually VoIP traffic models by its classification. 将电路交换与分组交换的话源特性和流量模型进行了对比.对常见的VoIP话务模型进行了分类与综述。
Analysis and research on electric hold-down circuit of switch 开关电气防跳回路分析与探讨
We investigate the techniques to reduce circuit switch activity, parameter design, dynamic voltage scaling and the simulation environment for verification of the above techniques. 研究内容主要关注于减少电路活动性的技术、参数化设计技术、动态电压缩放技术和为衡量这些技术的效果而建立的软硬件仿真环境。
With the progress of telecommunication technology, PSTN based on circuit switch technology is carrying out the transition to the Next Generation Network ( NGN) increasingly. 随着电信技术的进步,基于电路交换技术的PSTN正逐步向下一代网络(NGN)过渡。
VoIP ( Voice over Internet Protocol) techniques prompt the transfer of audio service from circuit switch to package-based switch. VoIP(VoiceOverInternetProtocol,IP电话)技术的发展促使语音业务从物理电路交换到数据报分组交换的转变。
Based on DSP+ FPGA+ IPM hardware system structure, the hardware system, including control circuit, interface circuit, detest circuit, major circuit, switch resource, protect circuit and so on are designed. 在DSP+FPGA+IPM的系统架构的基础上,设计了控制电路、接口电路、检测电路、主电路、开关电源、驱动保护电路等控制硬件系统。
With the circuit switch, line utilization is low, and it is difficult to develop new services, thus we must research and develop new technologies. 电路交换网络的线路利用率低、新业务开展困难等缺点,促使人们探索新技术。
At present, adoptive representative switching mode in communication network ways includes circuit switch, packet switch, ATM switch and IP switch. 目前在通信网中所采用的交换方式有代表性的主要有:电路交换、分组交换、ATM交换及IP交换。
Put forward ideas on the hardware circuit under the principle of fail-save, such as dynamic drive circuit, switch indication circuit, hot standby circuit, monitoring circuit. 3. 对道岔控制模块的硬件电路,包括动态驱动电路、道岔表示采集电路、双机热备电路、监测电路等提出设计思路,满足故障&安全原则。
Relay, as one of main electronic components for control, information transfer and circuit switch, is widely used in the field of aerospace and aviation. 继电器是广泛应用于航空、航天领域,起控制、信息传递及切换作用的主要电子元器件之一,大容量、高可靠性是目前发展的主要趋势。
The traditional based on circuit switch based on circuit switching technology segmented due to its business development, the complexity of the high, and cannot achieve business loading and network is irrelevant, cannot well implemented diverse business together. 传统的基于电路交换的智能网由于基于电路交换技术,其业务开发的复杂度高,而且不能实现业务加载与网络无关,无法很好的实现多种业务的融合。
According to the scheme, we show the schematic plan of the module, designed the power supply circuit, switch driver circuit and installation of the cavity. Then we finished the designs of the millimeter-wave receiving front-end. 并设计了组件的电源电路、开关驱动电路以及安装腔体,完成了毫米波集成接收前端的设计工作。