In a polar circuit it causes the loop current to flow in a direction opposite to that for a mark impulse.
在极性电路中，空号脉冲促使环路电流向传号脉冲相反的方向流动。
Used for points and load current, closed loop current, no-load transformer and cable charging electric current.
用于分合负荷电流、闭环电流、空载变压器和电缆充电电流。
There are many methods for analysing electronic circuit, such as branch current, node voltage, mesh current and loop current method.
电路的一般分析方法有许多，如支路法、节点法、网孔法和回路法等。
Under the latter condition, the circuit is capacitive, with large loop current and over-voltages on the inductance and the capacitance.
后者电路呈电容性，不仅回路电流大，且电感、电容上产生过电压。
The motor speed driving system USES DSP as controller and USES high-frequency delay-loop current comparator composed of integrated circuit.
设计了以DSP为控制器、集成电路构成高速滞环电流比较器的电机调速系统。
The two rails are not only signal lines of track circuits, but also loop current line of locomotive traction current in electrified railway block.
电力牵引区段的两条钢轨，既作为轨道电路的通道来传输信号电流，又作为牵引电流的回路来传送牵引电流。
According to wave analysis and theoretical calculation of PWM inverter with delay-loop current tracing, this paper proposes a frequency control system with current tracing SPWM.
通过对滞环电流跟踪型pwm逆变器的波形分析和理论计算，提出一种固定开关频率型电流跟踪SPWM变频调速系统。
This paper discussed PLC-FP0 and touch panel MT-500, and their design & application in digital closed loop current capacity real-time control system in dialysis water processing system.
介绍了松下电工微型PLC-FP0、台湾和可公司的MT-500触摸屏的特点，以及基于它们的数字闭环流量控制水处理系统的设计及应用。
By means of circuit topology theory and loop current method, simulation and calculation are performed on the 12-phase power winding of an induction generator with rectifier load system.
为了对异步发电机十二相功率绕组带整流负载系统进行仿真计算，采用了基于电路拓扑理论的回路电流法。
However, there is also an eddy of cooler water (purple) circulating counterclockwise at the top of the Loop Current.
不过，在洋流的顶端还出现一个逆时针方向旋转的水流(紫色部分)，而且温度较低。
Once in the Loop Current, oil can travel south and enter the Gulf Stream, a powerful ocean conveyor belt that carries warm water up the eastern seaboard.
一旦进入环流，原油就能向南流而进入墨西哥湾流，墨西哥湾流是一股强大的暖流，它将温暖的海水带到东部海岸。
The latest National Oceanic and Atmospheric Administration (NOAA) forecast shows that the Gulf oil slick will likely remain north of the Loop Current—at least until Wednesday.
美国国家海洋和大气管理局（NOAA）最新的预测显示，至少在周三以前，海湾浮油可能将继续漂流在环流以北的地区。
Experimental results prove that the DC loop-current detecting and restraining methods have a good performance.
试验结果证明，本文的直流环流检测与抑制方法对逆变器并联系统直流环流有较好的抑制效果。
For the parallel inverter system without output isolation transformers, the difference of DC components of the output voltage can cause large DC loop-current among modular inverters.
对于无输出隔离变压器的逆变器并联系统，各模块输出电压直流分量不一致会在模块间产生较大的直流环流。
The servo control system combines position loop, speed loop, current loop with algorithm of space vector pulse width modulation(SVPWM).
系统采用位置、速度和电流环三环控制，并结合空间矢量脉宽调制（SVPWM）算法。
In particular, the three closed loops including position loop, current loop and speed loop, and the hardware structure of the control system were described in detail.
详细介绍了控制系统采用的硬件结构和位置环、电流环和速度环三闭环控制方法。
The paper propose the theory, hardware design and strategy of a three-closed loop—current, speed and position—servo withTMS320LF2407ADSP.
本文介绍了以TMS320LF2407A DSP为核心所构成的电流、转速、位置三闭环控制系统的原理、硬件设计及控制策略。
The paper propose the theory, hardware design and strategy of a three-closed loop—current, speed and position—servo withTMS320LF2407ADSP.
本文介绍了以TMS320LF2407A DSP为核心所构成的电流、转速、位置三闭环控制系统的原理、硬件设计及控制策略。
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