Analogous to a snow avalanche on a steep mountain slope, an incoming light pulse initially frees just a few charge carriers which in turn free others until the original signal is amplified many times.
像陡峭山坡上的雪崩一样,一束入射光的脉冲最初仅仅释放少数的电荷载子(charge carrier),这些电荷载子再轮流释放其他的载子,直到原始信号被放大很多次。
The charge distributions and electrical field distributions in PE samples are measured under high DE voltages, and the principle of the electro-acoustic pulse method is proved.
在强直流电场下,测量了在聚乙烯试样内的空间电荷分布与电场分布,验证了电声脉冲方法原理。
The rule of the shift of the mean charge depth at different environmental humidity was discussed for this electret material by heat pulse method.
利用热脉冲技术研究了不同湿度下电晕充电的聚酰亚胺薄膜沉积电荷平均深度向背电极的迁移规律。
It is used to excite pressure pulse in a sample by means of a single laser pulse which will lead to the change of charge density on the two electrodes.
它是用单束激光脉冲在样品内激发出一个压力脉冲,该压力脉冲将导致两电极上感应电荷层密度变化。
The charge storage in DH laser driven by pairs of bell-shape pulse current has been investigated.
在钟形双脉冲激励下,观察了DH激光器的电荷存储效应。
It improved the battery serve life greatly, which using large charge current at beginning, controlling the charge time of constant voltage and using pulse charge in the end.
起始以大电流恒压充电,并严格控制恒压时间,后期以脉充电流结束能使电池的寿命大大提高。
The results of the impedance measurement show that the surface area increases much slower in bipolar pulse current charge process than that in DC charge process.
交流阻抗谱结果显示在双向脉冲充电下,锂电极的表面积增长较直流充电时缓慢。
By comparing the volume of gas evolution under several different charging models, it was verified that fast charge with slow pulse was a kind of low...
通过几种充电模式充电时析气的对比实验证实慢脉冲快速充电方法是一种低析气量、高效率的快速充电模式。
Fast charge in respect, determined a fast charging technology named voltage-controlled energy-feedback pulse charge.
在快速充电方面,确定了一种电压控制的放电回馈型脉冲快速充电技术。
A method that charge sensitive preamplifier used in APD detection system of laser pulse was presented to enhance the range and precision of the detection system.
提出了电荷灵敏前置放大器应用于APD激光脉冲探测系统以提高探测距离和探测精度的方法。
It has functions of dynamic power management (DPM), depleted battery detection and pulse width modulator (PWM) to accurately control battery charge current and voltage.
它具有动态电源管理(dpm)、利用脉宽调制控制(PWM)充电电流和电压、耗尽电池检测等功能。
Application of bipolar pulse in transmitting signal can avoid distorted wave caused by charge or discharge in a long cable.
应用双极性脉冲传输信号。避免了因远距离电缆充、放电带来的波形畸变。
Taking the effects of space charge and carrier diffusion as well as injected current pulse width into account, an analytic expression of a transit angle of 8 mm Si DDR IMPATT diode is derived.
在考虑载流子的空间电荷效应、扩散效应和注入电流脉宽情况下,推导了双漂移崩越二极管的渡越角表达式。
Furthermore, space charge distribution in polyimide films under different temperature was measured, based on which space charge characteristics under high voltage pulse were researched.
此外,还测量了不同温度下,聚酰亚胺薄膜中空间电荷的分布,以此研究连续高压脉冲下空间电荷的特性;
The high voltage driver of the beam chopper is introduced. It′s based on principle of the charge storage and delay. It has been used in the pulse beam chopper.
介绍了一个满足束流切割器的要求而设计的新型驱动器,它的原理基于电荷贮存延迟的理论。
C variable amplitude pulse charging mode was proposed to reduce capacity ratio of charge-discharge and water-loss rate, so the batteries in series were in conformity, thus to extend the cycle life.
变幅脉冲充电模式,减少充放电容量比率和失水量,促使串联中各电池性能的一致,达到延长深循环寿命的目的。
Selecting suitable detecting frequency band is the key issue in detecting partial charge through electrical pulse.
电脉冲法检测局部放电的关键问题是确定合适的检测频带。
A device for automatic counting and data reduction is introduced. This device consists of a semiconductor detector, a charge sensitive amplifier, a pulse shaping circuit and a microcomputer.
本文介绍一自动计数和数据处理的微型计算机装置,它是由半导体探测器、电荷灵敏放大器、成形电路和一微型计算机组成。
A device for automatic counting and data reduction is introduced. This device consists of a semiconductor detector, a charge sensitive amplifier, a pulse shaping circuit and a microcomputer.
本文介绍一自动计数和数据处理的微型计算机装置,它是由半导体探测器、电荷灵敏放大器、成形电路和一微型计算机组成。
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