12,468 Result(s)

Chapter and Conference Paper

Mercury Cadmium Telluride Infrared Photovoltaic Detector

In this paper, the feature of the technology fabrication and the performance was described.

Yang Ya-Wen, Wang Yu-Qin, Zeng Guang-Li… in Optoelektronik in der Technik / Optoelectr… (1982)

Chapter

Optical Technique for In-Process Measurement of Surface Roughness During A.C.C. Grinding

Based upon the principle of Adaptive Computer Control (ACC) of machine tools, the overall problems of ACC Control of the grinding process is initially discussed in general terms. Following this, the paper conc...

J. Y. Zhu, A. A. Shumsheruddin in Proceedings of the Twenty-second Internati… (1982)

Chapter

Micro-Computer Control of an Electrochemical Machine

Interfaces have been built so that a 10 000 A Anocut electrochemical machine can be controlled by a Commodore PET micro-computer. The computer directly reads ram position, machining current and electrolyte flo...

C. N. Larsson, S. Zhu in Proceedings of the Twenty-second Internati… (1982)

Chapter

An Experimental Investigation on the Sound Speed and “Choking” Phenomenon of Gas-Liquid Two-Phase Flow in the Electrochemical Machining (ECM) Gap

The flow through electrochemical machining (ECM) gap is a gas-liquid two-phase flow (GLF). The investigation on it has important significance for mastering the ECM sha** law and raising the ECM accuracy.

C. Y. Yu, Y. Q. Wang, J. W. Xu, D. Zhu in Proceedings of the Twenty-third Internatio… (1983)

Article

Numerical computation of the emission current in electron guns

A computer program for evaluating the emission current in electron guns has been developed, and good agreement between evaluations and experiments has been achieved. The computational model is based on the sta...

Zhang Shuishun, Zhu **eqing in Journal of Electronics (China) (1985)

Article

Detection in weibull and log-normal noises

The discrete-time detection of narrowband coherent and incoherent pulse train signals in narrowband non-Gaussian noise is investigated. The locally optimum (LO) detector structures are developed and found to b...

Zhu Zhaoda in Journal of Electronics (China) (1985)

Article

Numerical computation of the deflection fields in magnetic yokes with wedged coil-sections and in electrostatic deflectors with planar electrodes

The computational methods of deflection fields in magnetic yokes with wedged coil-sections and electrostatic deflectors with planar electrodes are discussed. The magnetic yokes with wedged coil-sections can be...

You Shijie, Zhu **eqing, Zhang Shuishun in Journal of Electronics (China) (1985)

Article

Diffraction theory and engineering calculation of open resonators of the circular and coaxial waveguide types for gyrotron

By using the method of transverse-section, the reflective coefficient of diffraction in the open-end of resonators with slowly varying cross-section under general unsymmetrical mode conditions can be found by ...

Zhu **lin, Wu Hungshih in Journal of Electronics (China) (1985)

Chapter

The Compensation for Deviation by Means of Micro-Computer in NC Milling Machines

Abstract

C. Li, Q. Zhu, Y. Wu in Proceedings of the Twenty-Sixth Internatio… (1986)

Article

A s-band 2.5 mw high power broadband klystron

In this paper, the design considerations of a high-efficiency high-gain broadband klystron are described. Its buncher has been studied by using small signal gain and large signal efficiency programs. With smal...

Ding Yaogen, Niu Delu, Lu **aohou, Li Daokun, Liu Congmao… in Journal of Electronics (China) (1986)

Article

Irradiation damages in electron beam lithography

The irradiation damages in the electron beam lithography (EBL) to Al-gate MOS capacitors in the ranges of 10–30 keV and 10⁻⁶–10⁻³C·cm⁻² and the effects of annealing on damages at low temperature (<500°C) are give...

Sun Yu**, Zhu Wenzhen, Liang Junhou, Ge Huang… in Journal of Electronics (China) (1986)

Chapter

Adaptive Analysis Refinement and Shape Optimization—Some New Possibilities

Engineers have turned to shape optimization of structures to assure the efficient use of finite element analysis in producing safe and economical designs. Constraints on stresses and displacements should howev...

O. C. Zienkiewicz, A. W. Craig, J. Z. Zhu, R. H. Gallagher in The Optimum Shape (1986)

Article

Likelihood ratio detection of swerling II targets in Rician clutter

The discrete time detection of Swerling II targets in Rician clutter is investigated. The likelihood ratio (LR) detector is structured when the clutter steady part is coherent and noncoherent are developed res...

Zhu Zhaoda in Journal of Electronics (China) (1986)

Article

Design and performance of compact low noise GaAs MESFET amplifiers for UHF operation

The design considerations and experimental results of compact low noise GaAs MESFET Amplifiers for UHF operation are described in this paper. The miniaturized and optimized circuits are obtained by means of sp...

Wang Wenqi, Yang **nmin, Lu Zhu**, Zhu Wenyu in Journal of Electronics (China) (1986)

Article

Mode competition of the gyrotron under high efficiency operating conditions

Mode competition — interaction between a mode and another mode — is due to the non-linearity of the relativisitc factor γ. At the beginning of a multimode oscillating, the behavior of the multimode oscillating...

Min Zhu, Herbert Döring in International Journal of Infrared and Millimeter Waves (1986)

Article

The research of resonant cavity with elliptical cross-section at moderate eccentricity in gyrotron

In this paper, the method of calculating cut-off frequencies of TE modes in elliptical waveguide is given. From the calculations, it is demonstrated that the gyrotron utilizing a cavity with elliptical cross-s...

Jiang Manying, Zhu **li, Li Huibin, Lu **aohou… in Journal of Electronics (China) (1986)

Article

General mathematical theory of large deflections of thin plates with some holes

The theoretical analysis and the numerical computations for the problem of a thin plate with large deflection and some holes become much more difficult due to the multi-valued properties of the stress functionF a...

Zhu Zhengyou, Cheng Changjun in Acta Mechanica Sinica (1986)

Article

MCA-newton method for circuit yield estimation and optimization

An algorithm for circuits yield estimation and optimization is described. To obtain the first and second derivatives of yield with respect to center and obtain maximum production yield, Monte Carlo analysis (M...

Yu **aoyong, Zhu Hui in Journal of Electronics (China) (1987)

Article

Effects of electron beam prebunching on small and large signal characteristics in the gyroklystron

Zhu Min in International Journal of Infrared and Millimeter Waves (1987)