查询词典 emitter

The directivity of emitter by changing the number and relative location of ultrasonic transducers are simulated.

通过改变换能器数目及之间的相对距离，模拟了超声发射阵的空间指向性。

FEGI is an investigation of Field Emitter Array technology, with potential applications in spacecraft charge stabilization and electrodynamic tether propulsion.

FEGI是实地调查的发射阵列技术，具有潜在应用的航天器充电稳定和电动系绳推进。

we use magnetron sputtering to deposit Al-AlN particle film as SED's electron-emitter. The Cr-Cu-Cr electrode was prepared by electron beam vaporize deposition. The voltage used to electroform the cracks are periodic trigonal wave and the breadth of the voltage are increasing gradually.

文章中采用铝-氮化铝薄膜材料作为SED器件的电子发射层，采用磁控溅射的方法镀电子发射层，采用电子束蒸发的方法镀铬-铜-铬材料作为电极；电形成过程中采用电压幅值恒定、周期性重复的脉冲和电压幅值渐增的电压脉冲作为电极电压。

The surface temperature and emission spectrum of IR emitter are measured by thermal imaging system and spectroradiometer.

光源表面工作温度和辐射光谱分别通过红外热像仪和光谱辐射计测量得到。

As a result, the base current of Q12 is decreased and hence the emitter current is also decreased.

结果， Q12 基地潮流被减少并且因此放射器潮流并且被减少。

In other words, transistor emitter current will closely equal diode current at any given time.

或者说，晶体管发射极电流随时都接近二极管电流。

The United States and China, the world's largest historical contributor to climate change and the world's largest current emitter, were at the heart of the failure to reach a more substantial agreement.

美中两国既是历史上给气候变化造成最大影响的国家，也是当前最大的排放国。而这两个国家也恰恰正是导致哥本哈根无法达成一个更具实质内容协议的根本原因。

It is discussed in details in the paper that there are four regions depending upon the case occurred in the edge-crowding-effect of emitter current,The distributions and normalized voltage and current density,and their characters are discussed in this paper.

本文以发射极电流集边效应发生的程度，分为四个区域，详细探讨了归一化电位和电流密度分布的特点，指出：在Ⅰ？

The edge-crowding-effect of emitter current in a transistor caused by self-bias of base resistor is one of the factors to limit its capability of loaded current.

由基区电阻的自偏压引起的晶体管发射极电流集边效应，是限制晶体管承载电流能力的因素之一［1-4］。

The symbol for a PNP transistor has an arrow on the emitter indicating the diredtion of current flow, always towards the base.

PNP晶体管有一个表住在发射极的箭头符号用来指示电流的流向，总是围绕在基极的。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。