In the dynamic properties, the chapter analyzed switching characteristics of IGBT by testing in detail;
在动态特性中,通过IGBT开关特性测试仪对IGBT瞬态工作进行了详细的分析;
Their humidity dependences of capacitance have switching characteristics with transition point about 85%rh.
其电容量-湿度关系呈开关特性,转变点约在85% RH。
We use the Lagrange variational approach to study the switching characteristics of asymmetric nonlinear directional couplers.
利用拉格朗日变分法原理,分析了非对称非线性定向耦合器的开关特性。
It is very necessity that testing strictly the function, electrical characteristics and switching characteristics of these devices.
严格测试电路的功能及交、直流参数十分必要。
The measuring principle and the use of bipolar double pulse generated by measuring instrument for measuring switching characteristics with ferroelectric thin films are discussed.
介绍了测量铁电薄膜开关特性的重要仪器——双极性双脉冲发生器,以及利用双极性双脉冲测试铁电薄膜电滞回线的原理。
Close to the switching characteristics of the switch size is small, maximum detection distance. It can detect magnetic objects (usually permanent magnet), and then generate the output trigger switch.
接近开关的特点是以细小的开关体积达到最大的检测距离。它能检测磁性物体(一般是永久磁铁),然后产生触发开关输出。
The parameters of the model were provided for an IGBT of FF300R12ME3 as an example. The model was used in analysis of switching characteristics, snubber circuit, and paralleled operation of the IGBT.
以FF 300r 12me3型IGBT为例给出了模型参数,并将模型应用于IGBT的开关特性分析、缓冲吸收电路设计以及IGBT的并联运行分析。
Mediations perform a set of actions on the messages that pass through them to mediate the non-semantic characteristics; the actions include protocol switching, translation, encryption, and routing.
中介对通过它们传递的消息执行一组操作以协调非语义特征;这些操作包括协议切换、转换、加密和路由。
So as you can see switching the order of activities will not change the process behavior but might affect process's automation characteristics.
因此,正如你所看到的,变换活动的顺序不会改变流程行为,但可影响流程的自动化特征。
This document describes general equipment used in switching power supply testing and their characteristics.
此文件描述一般开关电源供应器的测试仪器及其特性。
Switching phenomena with an associated negative resistance region have been observed in the current-voltage characteristics of lead oxide film sandwiches.
在氧化铅薄膜三层结构的电流——电压特性中发现了具有负电阻区的开关现象。
High frequency switching power supply made from it can not only simplify the circuit, but also can improve the EMC characteristics and reduce the cost.
采用它制作高频开关电源,不仅简化了电路,同时可以改善电源的电磁兼容性能,且降低了制作成本。
The nonlinear characteristics of semiconductor optical amplifier (SOA) have important applications for the all-optical switching, wavelength conversion, and optical logic gate.
半导体光放大器(SOA)的非线性特性在光开关、波长变换、光逻辑运算中有重要的应用。
The characteristics of a new zero current switching (ZCS) - PWM cell are analyzed.
分析了一个新的零电流开关(ZCS)单元电路的特性。
Some new characteristics of vassal state literature during the early Han Dynasty are closely related with the role switching of scholars.
汉初藩国文学的一些新的特点,就是和文士们这种角色转换有密切关系的。
It's difficult to find contact from the image photographed by high-speed image sampling system because of the light reflection characteristics of switching arc, contact and interrupter.
由于开关电弧的发光特性和电器触头系统及灭弧室的反光特性,使从高速图像采集系统拍摄到的图像中很难观察到电器触头。
The functions and characteristics are introduced in the text about centralized monitor system of Shanghai long-distance switching equipments.
文章介绍了上海长途交换设备集中监控系统的功能和特点。
Based on characteristics of PIN diode switch circuit in rf signal switching, a PIN electronic switch circuit is designed to perform filter switching.
基于PIN二极管开关电路在射频信号切换方面的特性,设计了一种应用于滤波器切换的PIN电子开关电路。
In this paper, the switching process of power MOSFET is introduced based on its gate-charge characteristics.
本文先介绍了基于功率MOSFET的栅极电荷特性的开关过程;
The method of minimum switching losses SVPWM has characteristics of simple calculation and easy digital realization.
用空间电压矢量方法产生最小开关损耗的PW M具有计算简单、易于数字实现的特点。
The solution method and the characteristics of the optimal switching angle are also discussed in this article.
论述了优化开关角的求解方法,分析了优化开关角的特点。
Surface solitons have potential applications in optical sensing, switching and exploration of intrinsic and extrinsic surface characteristics.
而光学表面波孤子在光学检测、光学转换器、探测界面物理特性等方面有着潜在的应用价值。
This article takes gate charge characteristics into account and then introduces some methods for calculating output performance of drivers used for switching IGBTs.
本文就利用栅极电荷特性的考虑,介绍了一些计算用于开关igbt的驱动器输出性能的方法。
The relations of SPWM inverter switching model and motor field, and motor field characteristics in this circumstance are re-searched.
本文从变频器电动机组成的系统角度出发,研究逆变器开关方式与电机磁场的关系及SPWM调制下电动机磁场的生成特点。
Adiabatic charging principle and working characteristics of adiabatic switching is discussed in detail. The computing model of energy dissipation for adiabatic switching is established.
本文对绝热充电原理以及绝热开关的工作特性进行了详细讨论,建立了绝热开关的能耗计算模型。
The emphasis is on the characteristics of WDM fiber optic network, the principle of optical switching by selecting wavelength. At last the WDM star and ring networks are addressed as an example.
重点介绍了波分复用(WDM)光纤网络的特点、通过选择光波长实现光交换的原理、WDM星形和环形光网络的构成等。
IGCT with current, high voltage, high switching frequency, high reliability and compact structure, and low loss characteristics, but have led to the low yield, a good prospect.
IGCT具有电流大、电压高、开关频率高、可靠性高、结构紧凑、损耗低等特点,而且造成本低,成品率高,有很好的应用前景。
The traffic characteristics of asynchronous optical packet switching networks are studied, the analytic and approximate models of network traffic are proposed.
研究了异步光分组交换网的流量特性,提出了网络流量的解析模型和近似模型。
A laser Diode (LD) driver based on switching power is proposed according to the LD driver characteristics.
针对半导体激光器(LD)的驱动特性,设计了一种基于开关电源的LD驱动电路。
A laser Diode (LD) driver based on switching power is proposed according to the LD driver characteristics.
针对半导体激光器(LD)的驱动特性,设计了一种基于开关电源的LD驱动电路。
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