双极性

You can almost always determine the leads of a bipolar transistor with an ohm meter. b-e and b-c junctions will measure like a diode with the b-c junction reading slightly lower than the b-e junction when forward biased.

你几乎总是可以用欧姆表来判断双极性晶体管的脚位。b-e结和b-c结将像二级管那样测量，而且正向偏置时，b-c结的读数稍微比b-e结低一点。

Sub-band high-speed circuits of the past are the use of silicon bipolar and gallium arsenide process design, they have a certain speed on appeal. However, leads the prevalence of large and expensive power shortcomings.

高速的分频电路过去大都采用双极性硅工艺和砷化镓工艺进行设计，它们在速度上有一定的吸引力，但普遍存在功耗较大及价格昂贵的缺点。

However, this modulation mode would not prevent the injection of DC current into the grid.

在双极性脉宽调制方式下，全桥逆变器的共模电压恒定，不产生共模电流。

Moreover, FSA-TFTs can effectively suppress the floating-body effect and parasitic bipolar junction transistor action compared with conventional TFTs.

而且，它可以有效地抑制浮接基体效应(floating-body effect)和寄生双极性接面电晶体效应(parasitic bipolar junction transistor action)。

This paper deals with the design and development of bipolar Ni/MH batteries.

本文报道了双极性MH/Ni电池的设计与开发。

Through the dynamic transporting characteristics of carriers within the photoconductor,the radiation THz puls...

高光能、低偏置电场下，空间电荷电场是造成光电导天线辐射的THz波呈现双极性的主要原因。

The excitation source is similar to a square wave signal.

研究了基于双极性脉冲电流激励原理的微弱电导测量技术。

In this diagram, a voltmeter with a separate bipolar current source is used.

在该图中，使用了一个电压表和一个分离的双极性电流源。

Based on discrete chaotic signals, an approach to calculating the noisy performance of the antipodal chaos-shift-keying system with a coherent correlator under a AWGN and multiuser environment is presented.

基于离散混沌信号，提出一种在AWGN环境中双极性相干CSK系统多用户噪声性能的分析方法。

Antipodal chaos-shift-keying ; multiuser noise performance ; simulation.

双极性CSK ；多用户噪声性能；仿真

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。