| 1. | The vibrations are amplified electrically and can be heard through loudspeakers in the operating room . 这种震动通过电流放大后,就可以从手术室的扩音器中收听到。 |
| 2. | Design of programmable gain amplifier based on digitally controlled potentiometer 可编程微电流放大电路的设计 |
| 3. | Current amplification factor 电流放大因数 |
| 4. | Transistor is viewed as a very important amplification and switching device in micro - electric field 晶体管可以说它是微电子中非常重要的器件,它最主要的功能是电流放大和开关作用。 |
| 5. | In this article we propose a new kind of spin transistor with current amplification , and analyze its main parameters in detail 摘要该文提出了一种电流放大型自旋晶体管设计思想,并对其电流放大系数作了一定的分析讨论。 |
| 6. | The transistors in this configuration would also be used to amplify the small currents needed to read a magnetoresistive bit [ see box on page 63 ] 这些排列好的电晶体也会将微小的电流放大,这样才能读取磁阻位元(见83页磁逻辑处理器) 。 |
| 7. | It is found that the current amplification coefficient strongly depends on the spin polarization of the electrons injected from the emitter to the base , the spin relaxation time and the width of the base 自旋晶体管中的电流放大系数主要取决于注入基区的自旋极化电子的极化程度,基区中自旋的驰豫时间及基区的宽度。 |
| 8. | In accord with the state standard about harmonic . the harmonic permission value of tangqian line is calculated . some measurement data are shown and analyzed , and some main conclusion is drawed that the 7th harmonic voltages of tangqian line is near to the permission value , total harmonic voltage distortion ratio has oversteped the permission value . the 3th harmonic , the 5th harmonic , the 7th harmonic and the 9th harmonic current from tangqian line all overstep the permission , the largest 5th harmonic current ratio in tangsc reaches 44 % , the 7th harmonic and the 9th harmonic current in tang7c and tangsc is large maybe because the harmonic current is magnified . this paper studies the model of each element in tang yin substation 根据有关公用电网谐波的国家标准,计算出汤牵线注入汤阴变电站的谐波电流允许值,从实测数据可以得出一些重要结论:汤牵线7次谐波电压含有率的最大值接近国标中的限值,汤牵线的谐波电压总畸变率的最大值已超标;汤牵线注入电网的3 、 5 、 7 、 9次谐波电流都超标;汤6c电容器的5次谐波电流含有率较高,最高达到44 ;汤7c和汤8c电容摘要器的7次和9次谐波电流含有率偏高,原因可能是发生了谐波电流放大现象。 |
| 9. | This paper presents an adaptive control for the semi - active suspension using the combination of mr damper and feedback neural networks . analyzing the mr damper , a smart actuator , chapter 3 gives the design of pre - amplifier of current , which provides the external magnetic field . and it discusses the additional nonlinear stiffness resulted from the transition of mr fluid from liquid to semi - solid or solid 在分析新型智能材料用做作动器的磁流变阻尼器特性的基础上,本文给出阻尼器线圈的前置电流放大电路,并讨论了因磁流变液体固液态之间的可逆变化而产生的悬架系附加非线性刚度。 |