和电路

The Domistic Ballast and the Life of Compact Fluorescent Lamps;2. With the technical development of active power factor correction, some circuits in the ballast s and its operation are introduced, which have been used in high pressure sodium lamp.

针对荧光灯电子镇流器和高压钠灯电子镇流器中功率因数校正技术的发展，总结了典型的有源功率因数校正应用电路，分析了电路的基本工作原理，并在高压钠灯镇流器中得到了应用。

From LS method and singularity theory GS normal form of the circuit bifurcation solution is obtained, and that noly one circuit solution curve exists near bifurcation point is proved.

利用LS约化方法和奇异性理论，导出了非线性电路解分岔的GS范式，证明了电路转折分岔解附近只有唯一一条解曲线。

Based on theory of strobe imaging the EL6249C is used to design a set of strobe driving circuit to drive high light LED to generate strobe light for MEMS dynamic test.

文中根据频闪成像原理，利用EL6249C设计了一套频闪驱动电路，该驱动电路可驱动高亮LED ，以产生MEMS动态测试中所需的频闪光，为后续MEMS器件的动态特性提取和分析做准备。

In the digital control module of the circuit, design the successive approximation logic which based on the ring counter/shift register.

在数字控制模块的电路实现中，用基于环形计数器和移位寄存器的结构设计了逐次逼近逻辑电路。

By rational configuration of the low voltage solid circuits and hydrogen thyratron circuits,long precise delay and low jitter of high voltage output can be obtained.

采取低压固体电路与大小氢闸管电路的合理配置，较好地解决了精密长延迟和高压脉冲输出时低延迟时间晃动的难点。

The system by 8,098monolithic microcomputers, the temperature sensor, the A/D switch, thekeyboard and the display circuit, the crystal thyratron triggers theelectric circuit and so on the controller which is composed and iscontrolled the object resistance furnace to constitute a closed-loopcontrol system.

系统由8098单片机、温度传感器、A/D转换器、键盘及显示电路、晶闸管触发电路等组成的控制器和被控对象恒温库构成一个闭环控制系统。

In this paper , a kind of new type automatic idle energy saving unit is designed with time base circuit .

提出了一种采用时基电路的新型空载节电装置，并给出了电路参数和应用实例。

For the purpose of real-time position inspection of components with large curved metallic surfaces by using a flat flexible eddy current sensor array,the measurement technology is investigated and the testing method based on time division multiplexing technology is introduced for the eddy current array.

采用一种基于时分多路的电涡流阵列测试的方法，通过对传感器探头和测试电路的合理设计，使系统电路得到简化，减小阵列单元之间的串扰，提高传感器系统的测试性能，实现了电涡流传感器阵列的快速、高精度测量

Based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer.

文摘：在分析饱和蒸汽和过热蒸汽密度的数学模型的基础上指出，温度检测的偏差对智能流量积算仪的精度影响极大，尤其是饱和蒸汽，测温电路的精度应设计为远高于仪表的精度，同时引入一种基于比率法的高精度测温电路。

Optimization of transconductance pair and proper DC bias of input stage are key problems in the design.

本文中对前级电路加以改进，实现了混频器输入级的直流偏置，完成了电路的设计和仿真。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。