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 power 功率(50207)电源(19509)功(8252)
 功率
 INVESTIGATION ON HIGH POWER HIGH REPETITION RATE TEA CO_2 LASER 高功率高重复率TEA CO2激光器研究 短句来源 Theoretical lnvestigation on the Tuning Characteristics of High Power TE(A) CO_2 Lasers 高功率TE(A) CO2激光器的调谐理论研究 短句来源 Research On 3-Dimensional Intellignet Processing CAM For High Power CO_2 Laser 大功率CO_2激光三维智能加工CAM的研究 短句来源 Research of High Frequency and Microwave Bipolar Power Devices 双极高频、微波功率器件的研究 短句来源 Studies on Kinetics of Gas lasers and Optimal Designs of the Lasers with Large Power 气体激光动力学研究及大功率激光器优化设计 短句来源 更多
 电源
 A new type feedback-controlled currentstabilized power supply for gas lasers 新式反馈控制气体激光稳流电源 短句来源 A current-stabilized power supply for He-Ne lasersusing rectifier-type constant voltage transformer 采用整流型恒压变压器的He-Ne激光稳流电源 短句来源 A power supply with automatic looking control for He-Se lasers He-Se激光器用自动联锁控制电源 短句来源 A NEW TYPE OF POWER SUPPLY WITH A CURRENT-DRIVEN CONVERTER 一个新的电流驱动型变换器电源 短句来源 POWER RIPPLE EFFECT ON FREQUENCY STABIUTY OF AMPLIFIERS 电源纹波对放大器频率稳定度的影响 短句来源 更多
 功
 Low Power Logic Circuits Design and Application in Risc Design 低功耗逻辑电路设计及在RISC设计中的研究 短句来源 Interconnect Models and Layout-Oriented Design Methods and Delay/Power Optimization Methods in SOC Design SOC中的连线模型与面向布局布线的设计方法及时延/功耗优化方法研究 短句来源 Study of Theory and Technology of Glass Optical Waveguide Power Splitter and Its Propeties 玻璃光波导功分器理论、技术及其光学特性研究 短句来源 Study on Power Estimation Methodology & Correlative Problem in VDSM Integrated Circuit 超深亚微米CMOS集成电路功耗估计方法及相关算法研究 短句来源 Power Dissipation Estimation and Low Power Design for Integrated-Circuits 集成电路功耗估计及低功耗设计 短句来源 更多
 功耗
 Low Power Logic Circuits Design and Application in Risc Design 低功耗逻辑电路设计及在RISC设计中的研究 短句来源 Interconnect Models and Layout-Oriented Design Methods and Delay/Power Optimization Methods in SOC Design SOC中的连线模型与面向布局布线的设计方法及时延/功耗优化方法研究 短句来源 Study on Power Estimation Methodology & Correlative Problem in VDSM Integrated Circuit 超深亚微米CMOS集成电路功耗估计方法及相关算法研究 短句来源 Power Dissipation Estimation and Low Power Design for Integrated-Circuits 集成电路功耗估计及低功耗设计 短句来源 Study and Low Power Design of Lithium-ion Battery Management IC 锂离子电池管理芯片的研究及其低功耗设计 短句来源 更多

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 power
 If is a ?2-grading of a simple Lie algebra, we explicitly describe a-module Spin0 () such that the exterior algebra of is the tensor square of this module times some power of 2. The operation adj on matrices arises from the (n - 1)st exterior power functor on modules; the analogous factorization question for matrix constructions arising from other functors is raised, as are several other questions. Let q be a power of p and let G(q) be the finite group of Fq-rational points of G. We prove a Tauberian theorem of the form $\phi * g (x)\sim p(x)w(x)$ as $x \to \infty,$ where p(x) is a bounded periodic function and w(x) is a weighted function of power growth. A new C*-algebra of strong limit power functions is proposed. 更多
 A stabilized high voltage power supply for an electrostatic analyzer is described in this paper. The design principle has been analyzed in some detail. The output voltage of this instrument may be varied continuously from ± 5 kv to ±20 kv. Within this range the voltage stability is better than ±0.015% for about 3 hours. The ripple voltage is one part in 16,000. This instrument had since served normally for more than two years and was shown to be sufficiently simple and reliable both in operation and maintenance.... A stabilized high voltage power supply for an electrostatic analyzer is described in this paper. The design principle has been analyzed in some detail. The output voltage of this instrument may be varied continuously from ± 5 kv to ±20 kv. Within this range the voltage stability is better than ±0.015% for about 3 hours. The ripple voltage is one part in 16,000. This instrument had since served normally for more than two years and was shown to be sufficiently simple and reliable both in operation and maintenance. 本文提出了一种稳定静电分析器用的高压电源的电路。文中对电路的工作原理及特点作了较详细的分析。本仪器的输出电压可自±20千伏变到±5千伏,在所有量程内电压的稳定度(约三小时〕优于±0.015％,波纹电压为1/16,000。二年多来该仪器一直运转正常,操作和维护是比较方便的。 The necessary conditions of ultra-high vacuum ionization gauges are briefly reviewed. The design and operation of two types of ionization gauges of pressure range 10-3-10-11 torr made in this laboratory are described. All the electrodes of these gauges can be degassed by resistance heating. They are simple in construction, easy to operate, and of shorter degassing time. No special power supplies are required. 在超高真空范围内使用的电离真空计,要求在使用前将电极进行较彻底的除气,因此最好全部电极都设计为可直接通电加热。本文叙述了两种测量范围为10~(-3)～10~(-11)托级的、可用焦耳热除气的电离真空计(热阴极及冷阴极各一种)的设计原则、实际性能及其改进。这两种真空计都曾在实验室使用两年以上,证明具有一定的实用价值,并可作为离子泵及代替一般的高真空计使用。 This paper describes a design method of multi-stage transistor intermediate frequency wide band amplifier. The feature of design is the use of network synthesis technique for realizing the amplifier with Tschebyscheff or maximal flatness frequency characteristics. The amplifier itself consists of a cascade of RC neutralized common-emitter stages each with primary tuned interstage transformer. The discussion is divided into three parts. First, the neutralized common-emitter stage is represented by approximate... This paper describes a design method of multi-stage transistor intermediate frequency wide band amplifier. The feature of design is the use of network synthesis technique for realizing the amplifier with Tschebyscheff or maximal flatness frequency characteristics. The amplifier itself consists of a cascade of RC neutralized common-emitter stages each with primary tuned interstage transformer. The discussion is divided into three parts. First, the neutralized common-emitter stage is represented by approximate unilateral equivalent circuit. Second, the interstage network is analyzed. Expressed the transistor amplifier power gain as a prescribed frequency function, it is possible to derive the limiting constraints for resonant frequencies and Q values of interstage networks, and subsequently to obtain values of circuit elements. These resonant frequencies of interstage networks are not tuned to the center frequency, but distributed at certain frequencies of the transmission band. Finally one design example is presented. 本文叙述一种多级中频宽带晶体管放大器的设计方法,其特点是利用网络综合技术,使放大器的通频带具有契伯舍夫或最大平直型式的特陆曲线。放大器由中和了的共发射极级链接而成,级间用初级调谐的变压器耦合,叙述分三个部分:第一部分将中和了的共发射极电路用近似等效电路表示,第二部分分析级间网络,将晶体管放大器的功率增益表示成预给的频率函数后,就能导出各级间网络的谐振频率和Q值等,从而求出线路元件的数值。这些谐振频率并不是调谐到中心频率而是分布在传输频段的某些频率上的,最后举出一个数值设计实例。 << 更多相关文摘
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