查询词典 buck-up

Simulation results show that the chaotic system can be controlled effectively in Buck power converter by this method. The method is still effective when there are parameter perturbation and noise.

数值仿真结果表明：该方法能有效地实现Buck功率变换器混沌系统的控制，系统在参数发生摄动和存在噪声的情况下，控制仍然有效。

A class of piecewise smooth maps with two border and three zones is derived to describe the dynamics of a current-programmed Buck converter operating in a discontinuous mode.

本文以不连续导通模式下的电流反馈型Buck变换器为例，推导出两个边界三段形式的分段光滑系统的离散映射模型。

The principle of the snubber applied to CCM Buck circuit is analyzed.

以CCM Buck电路为例，对该ZVS关断电路进行了详细的理论分析。

"It was my big hope that people would get right away and at least put a thumbtack on the map as far as our location,\\\" Buck said.

"我最大的愿望是希望人们能够立即收到，哪怕在我们所处地方的地图上钉一枚图钉也好。" buck 说。

The paper reviews the phylogeny of the LCD, describes the recent development situation of LCD-TV and several authority investigation institution do its prospective forcast. The research of the switching power supply, future development t rend is given in the paper. Outlines of LCD-TV technology, introduce the sort of topological structure. The BUCK type converter topological structure and the systematical basictheory were put emphasis on; the PFC, the reasons of power factor simply and the core of L6562 were analyzed, emphatically on the application circuit of this core, and account the design parameter of the application circuit. The sort and control mode of PWM, the control core of UC3846 and OB2262 were explained, the application circuit of this core were specific analyzed, practice picture in the real circuit uses oscilloscope were educed and contrastive analysis in this research.

本文回顾了LCD的发展史，介绍了LCD-TV发展的近况和一些权威调查机构对其未来的预测；对开关电源的研究概况和它的发展趋势作了总结；总体介绍了LCD-TV电源的结构及工作原理、拓扑结构的分类，着重研究了BUCK型变换器的拓扑结构及工作原理；对PFC作了综述，研究了功率因数降低的原因，重点介绍了L6562芯片，对此芯片的应用电路作了具体分析，并对芯片外围的设计参数作了分析研究；研究了PWM的分类和控制模式，对控制芯片UC3846和OB2262分别进行了重点说明，详细研究了基于UC3846的PWM设计，用示波器对其实际电路进行了抓图，并对比分析实际波形。

In order to control the AC with the chopping method, MOSFET is used to design a pair of two-way electronic switch and an AC Buck-Boost circuit is formed.

采用MOSFET构成一对双向导电型电力电子开关，对交流电进行斩波控制，形成交流Buck-Boost电路。

Do you go for the Prize Whitetail Buck, or play it safe andtake out the marauding grizzly before he takes you out?

你是为了 Prize Whitetail Buck 或者有把握在灰熊把你干掉之前安全狩猎吗？

We didn't always want to show exactly what we were thinking, because others could use that to gain the upper hand, says Buck. Our merely adequate mindsight, then, can be thought of as the product of a tug-of-war between the need to show and the need to hide our true selves.

Buck说：&人们并非一直愿意显示自己的思想，因为其他人可能利用它来占我们的上风&我们仅是刚刚好的&心灵视觉&可能被看做是&要自我展示自己&和&隐藏自我&之间的较量的产物。

Secondly,two regulatable current sources for exicitation of magenetic powder dynamic brake are studied respectively with buck and interleaving two-transistor forward topology. In the power supply with interleaving two-transistor forward topology design,simulations are implemented with Saber simulator,thus the best parameters are achieved which ensured the stability and dynamic characteristic.

二、分别用 BUCK 式和交错并联的双管正激式电路拓扑，研制了磁粉制动器的直流励磁电流源，其中对于交错并联双管正激式的电路进行了基于 Saber 的仿真，确保了电路参数的选取能够保证电路稳定性与动态性能要求。

Buck who is very strong, clever and tameless is the leading actor of the book.

Buck，一只强壮，聪明，难驯服的狗，是这本书的主角。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。