| 1. | The research of new type 1okv high - voltage phase comparator
高电压相位测量仪 |
| 2. | Voltage phase - balance protection
相电压平衡保 |
| 3. | The electrode is driven by elliptical movement and its direction is controlled by t wo voltage phase - difference
为实现电火花电极的微米级步距，设计了椭圆微驱动电路，并能有效地控制电极的运动方向。 |
| 4. | Most of the traditional real - time detecting method for harmonic current is based on sinusoidal voltage or locking the voltage phase accurately , which deviating from the real circumstances
由于传统的谐波电流实时检测方法大都是基于正弦的电压系统或对于电压波形达到精确锁相的前提，而现实情况却往往不是如此。 |
| 5. | New fet - input amplifiers , like the ad820 family of amplifiers , incorporate design improvements that prevent output voltage phase reversal for signals within the rated supply voltage range
新型的fet输入管放大器(如ad820系列放大器) ，在设计上做了改善，对于额定电源电压范围之内的信号，能够防止输出电压相位反转。 |
| 6. | How the parallel inverters share the output power is analyzed and a completely different conclusion is got that the output active power ' s difference and passive power ' s difference of two parallel inverters are relative to both the output voltage amplitude ' s difference and output voltage phase ' s difference of the two parallel inverters
接着对并联逆变器的功率均分进行了建模分析、仿真分析和实验验证，得出一个同以往不同的结论：两台逆变器输出的有功功率差和无功功率差与输出电压的相位差和幅值差都有关系。 |
| 7. | By the means of theory , simulation and experiment , the second part of this paper is then analyzed which is on the equivalent output resistance and inductance of the selected inverter and the effect to the output voltage ' s amplitude and phase caused by the different values of the inverter ' s component . it is concluded that by selecting certain precision level components , the difference of the output voltage amplitude is much greater than that of the output voltage phase
其次通过理论、仿真和实验分析了本文所采用的电压电流双闭环瞬时控制方式逆变器的等效输出阻抗和两台逆变器器件差异对输出电压的幅值差和相位差的影响，从而得出选用一定精度的器件，两台逆变器输出电压的幅值差比相位差大得多的结论。 |
| 8. | This paper mainly studies the coupling error caused by induction voltage phase difference , and fluctuation of directional sensitivity caused by changes in near - field difference slope . the trend of system sum and difference phase difference , directional sensitivity and cross - coupling with change in distance is compared and discussed when the antenna is in the near - field and at a certain elevation
本文着重研究了因近场感应电压相位差引起的耦合误差，以及近场天线差斜率变化引起的定向灵敏度的变化；讨论了天线在近场并有一定仰角的条件下，随着距离的变化，系统和、差相位差、定向灵敏度与交叉耦合的变化趋势。 |
