首先，以各单元馈电电流和单一阵元间距为变量，对一般天线阵进行了降低旁瓣电平的优化。
The distance between antenna elements and element's excitation currents are used as variables to optimize the side lobe of equal space linear array firstly.
为了保证低泄漏电流和低介电吸收，反馈电容器应当由合适的介电材料(如聚苯乙烯、聚丙烯或聚四氟乙烯)制成。
To ensure low leakage current and low dielectric absorption, the feed back capacitor should be made of a suitable dielectric material such as poly styrene, polypropylene, or Teflon.
如第2.3.2节所述，电容器的容抗随着频率的增加而降低，这就会增加反馈电流表的增益。
As discussed in Section 2.3.2, the decreasing reactance of the capacitor with increasing frequency will increase the gain of the feedback ammeter.
同时为了保证测量精度，采用偏置电流极低的运算放大器opa128，并且增大了反馈电阻，以增强对弱信号的响应。
An OPA128 operational amplifier with extreme low bias current and big gain is adopted for enhancing the response to weak signals.
为此我们确定双馈电机调速时的矢量控制策略即转子电流定向的矢量控制。
The paper gives the vector control speed system of the double-fed machine on the rotor current orientation.
文中详细分析了该变换器的SPWM控制策略，并且介绍了一种负载电流前馈电路。
In this paper, it is detailed to analyze the SPWM controlling strategy and introduce a kind of output current feed-forward circuit.
所以输出电压可以用来度量输入电流，总的灵敏度由反馈电阻器（RF）决定。
Thus, the output voltage is a measure of input current, and overall sensitivity is determined by the feedback resistor RF).
基于对地直流泄漏电流的检测来确定馈电支路的接地故障。
The earth point faults of direct current feed lines are localized with testing of leak current.
电流在反馈电阻上产生的电压超出设定值时，IR 2132启动内部保护电路，关断输出通道，实现电流保护。
When the voltage on the feedback resistance over the designed value, the inside protection circuit was operated and the output channels were cut in IR2132 to achieve current protection.
在此基础上，本文提出了一种基于转子电流定向的双馈电机矢量控制的新型调速方案。
On the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given.
借助输出电压采样和霍尔元件，设计了电流、电压反馈电路，形成了闭环控制系统。
A closed loop control system is formed by current and Voltage feedback system by means of HALL sensor and potentiometer.
最后，所述集成电路包括一第一电压电平控制器，所述第一电压电平控制器设置成在所述第一及至少第二电流馈电电路上分离对所述npn晶体管进行编程所需的电压。
Finally the integrated circuit has a first voltage level controller provided to split the voltage needed to program the NPN-transistor over the first and at least second current feeding circuit.
监测各直流馈电输出的电压、电流，各馈电输出开关状态、熔断器状态和防雷器状态，当发生异常情况时发出声光报警；
Monitor every feed-voltage and feed-current of DC output, every output state of switch, and state of fuse and lightning arrester. Under abnormal condition, monitor produces aural and visual alarm.
通过分析电流串联负反馈对电路的噪声影响，给出该反馈电路的低噪声化条件。
By analyzing the series electric circuit negative feedback conditions to reduce its noise effect are proposed.
通过分析电流串联负反馈对电路的噪声影响，给出该反馈电路的低噪声化条件。
By analyzing the series electric circuit negative feedback conditions to reduce its noise effect are proposed.
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