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- A computer device that converts between circuit switch telephony protocols and VoIP protocols. 一种可在电路交换式电话协议和VoIP协议之间转换的计算机设备。
- This kind of switch function: The pistol electric drill output power will be gradually increased with the pressure of the pistol electric drill switch. 本课题所研发的是一种基于虚拟仪器技术,专门用于手枪电钻的直流无级调速开关的自动测试系统。
- VoIP(Voice over Internet Protocol) techniques prompt the transfer of audio service from circuit switch to package-based switch. VoIP(Voice over Internet Protocol,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。
- The circuit switching still has strong innings left on its card. 电路交换仍有取胜的机会。
- In a conventional switch circuit capable of bidirectional conductivity, there is the problem that latch-up occurs in a parasitic thyristor included in a transistor having a switching function. 在能够双向导电的传统开关电路中,在具有开关功能的晶体管中所包括的寄生晶闸管中存在发生闩锁效应的问题。
- The design of strip Blumlein line was presented with the polymer-composite as energy storage dielectric and GaAs-PCSS as circuit switch. 以陶瓷聚合物复合介质作为储能介质,砷化镓光导半导体开关作为开关,设计了带状Blumlein线并对其进行了实验研究。
- The attemper panel has the function of switch function,and partership light and keyboard,these lights and keyboard may corresponding one user or function to attemper quickly. 调度台除了具有话务台全部功能外,还配置了大量的灯与键,这些灯与键可以单独对应某一用户线或功能,主要目的是直接快速调度。
- The noncrystalline material is used as the iron core of transformer and MOS-FET is employed for the main circuit switch elements. 该电源选用了非晶态磁性材料作为高频变压器的铁心;采用场效应管作为逆变器的开关元件;
- Circuit switching sets up an end-to-end open connection. 电路交换会建立端到端的开放连接。
- STM has all the inefficiencies associated with circuit switching. STM有所有电路交换的低效之处.
- Switching function qualifier. Concentrating or expanding can be specified. 开关功能限定符。可指定集中或扩展。
- This paper presents a soft-switch power converter circuit with IGBT, which provides ZCS condition to the main switches.The auxiliary circuit switch can operate with ZCS or ZVS. 文中提出了一种使用绝缘栅双极晶体管IGBT的软开关功率变换电路,为主开关提供了零电流开关ZCS的条件,谐振电路开关也能通过零电压开关ZVS或者零电流开关ZCS实现转换;
- A analytic method for circuits with linear and time-varying parameter is presented.Time-varying transconductonce circuits, analogous mulaplier and switch function circuits are discussed with the method. 从时变参量元件及电路的定义出发,分析研究了属于电阻性电路形式的时变跨导电路,模拟乘法器电路,开关函数的三种线性时变参量分析法。
- Based on the modulation theory and the Fourier analysis of switch function, the mechanism of interhamonics in source side is analyzed with an example of CSI and a simple model is established. 以常见的电流源变频器为例,运用谐波调制理论,并结合开关函数的傅立叶分析,分析了电流源变频器在电源侧产生间谐波的机理,建立其简化模型。
- VOIP gateways are designed to convert voice from the packet domain to the circuit switched domain. VOIP网关设计成把话音从包方式转换成电路交换方式。
- Concentrating switching function qualifier. Right-click for expanding switching function. 集中开关功能限定符。右击指定扩展开关功能。
- By far the most popular serial interface between a computer and its CRT terminal is the asynchronous serial interface, and between a circuit switch and its telephone terminal, the synchronous one. 在计算机与其显示终端之间最为常见的串行接口是异步串行接口,而在电路交换机与其电话终端之间最为常见的串行接口是同步串行接口。
- It can be operated either by a remote controller or a touch button.It has high and low speed switch functions. 采用全新遥控或按键式开关,且有高、低两级调速功能。
- It is necessary to add VOIP gateways in access layer for interlinkage between the circuit switch network and IP network so that the traditional PSTN/ISDN users can access NGN smoothly and successfully. 为使传统PSTN/ISDN用户能顺利地向NGN过渡,需要在边缘接入层增加VOIP(Voice Over IP)网关来完成话音在电路交换网和IP网之间互通功能。
- In sliding mode control, the VSCS is designed to drive and then constrain the system state to lie within a neighbourhood of the switching function. 在滑模控制中,VSCS被设计成操作并强迫系统状态位于邻近的开关方程中。