查询词典 circuits

The pilot circuit of underground motor control systems in common use is analyzed and the problems existed in the circuits such as self starting and un intrinsically safety,are pointed out in this paper.

分析了目前矿井电动机控制系统先导电路的工作原理，指出了其存在自起动和非本质安全型等问题。

The pilot circuit of underground motor control systems in common use is analyzed and the problems existed in the circuits such as self starting and un intrinsically safety,are pointed out in this paper.

引言随着我国煤矿自动化程度的提高，越来越多的煤矿机电设备需要采用微机对其进行控制和保护，但井下特殊环境对微机保护系统提出了严格的要求。

In view of these problems,an intrinsically safe pilot circuit for underground motor intelligent protective systems based on single chip microcomputer is given according to the design specifications of intrinsically safe circuits and the requirements of microcomputer control systems.

针对这些问题按照本安电路设计规范和微机控制系统的要求，设计了一个适合矿井电动机微机保护系统用的本安先导电路，对所设计的电路进行了试验研究并将其应用于矿用隔爆型电磁起动器。

In view of these problems,an intrinsically safe pilot circuit for underground motor intelligent protective systems based on single chip microcomputer is given according to the design specifications of intrinsically safe circuits and the requirements of microcomputer control systems.

井下最大的特点就是存在瓦斯和煤尘，而微机保护系统在发生故障时所产生的电火花或电弧是井下火源之一，因此对于井下电气设备及其控制系统必须采取严格的防爆措施以防止瓦斯和煤尘爆炸。

The power- plant alarm system is very complex as it generally involves a number of interconnected logic circuits com prising multiple AND,OR and NOT gates,flip- flops,time delay and other logic elements.

发电厂警报系统的特点是其逻辑线路中包含了延时元件，从而引入了时间因素，要对这样的系统进行故障诊断，必须计及警报信息的时间特性。

The microelectronics technology, which contain tens of millions of components of the Integrated Circuits has been able to survey the plot produced, the real SoC is a reality.

当今微电子学技术的发展，使得含有数千万元件的集成电路已经能够大批量地生产出来，真正的SoC正在成为现实。

Compared with the prior art, the invention has the advantages that:(1) the active neural microelectrode integrates signal collection/processing and stimulation function in the same preposed signal processing chip, which can reduce the disturbance of environmental noise, inhibit the attenuation caused by parasitic capacitance, filter polarized voltage and greatly improve the speech-noise ratio and stability of the whole microelectrode; and (2) the active neural microelectrode integrates digital logic control and stimulation circuit in the chip, so as to reduce the amount of output leads and simplify the complexity of subsequent circuits.

本发明相对于现有技术具有如下突出特点：(1)将信号的采集，处理以及刺激功能集成在一个前置信号处理芯片上，不仅减少了因为环境噪声的干扰，而且很好的抑制了寄生电容引起的衰减，滤除了极化电压，大大增强了整个微电极的信噪比和稳定性；(2)同时，将数字逻辑控制和刺激电路也集成在此芯片上，减少了输出引线的数目，简化了后续电路的复杂性。

The diagnosis was that some parts were too used both in the Power Supply and in the preamp circuits.

诊断是，一些地方过于使用在电源和功放电路。

In the Power Supply and in the preamp circuits.

诊断是，一些地方过于使用

Due to the development of digital integrated circuits and quartz crystal oscillators widely used, making digital clock precision, Yun Yun watches over the old.

由于数字集成电路的发展和石英晶体振荡器的广泛应用，使得数字钟的精度，运运超过老式钟表。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了