Abstract: A new consrained eigenvalue method for scattering parameters measurements of two-port lossless reciprocal network is developed. The non-linear S-curve problem is easily transformed into a simple linear one by this method. The formulas are programmed ...
Abstract: A loop charge approach is presented for the exact analysis of switched-capacitor networks containing capacitors, independent voltage sources, switches and nullors. t allows for arbitrary K-phase switching situations. And both arbitrary continuous tim...
Abstract: In this paper, the eigenvalue problems of multilayer dielectric waveguide consisting of arbitrary number of layers are solved by microwave network method. A general program with the function of computer graphics has been made for analyzing the disper...
Abstract: Numerical results of the aperture field, pattern and directivity of a stripline planar antenna element are obtained by use of the moment method. The difficulty of singularities in integral equation is overcome by a simple shift of the testing functio...
Abstract: A large signal self-consistent solution of orotron for a simplified model is given. In this model the electron beam is modulated by the field and the field is excited by the electron beam inversely. A parameter Zc, which is very important for the eff...
Abstract: On the base of the works of the author (1985) and Liu Shenggang (1985), by using the linear kinetic theory, the gyromontron operating with a composite periodic magnetic field and a coaxial cyclotron rlectron beam is analysed in detail. The equations ...
Abstract: The effects of the beam thickness and the conducting wall in a free electron laser with a linearly polarized wiggle magnetic field and an axial magnetic field are investigated within the framework of fluid-Maxwell equations. The growth rate of free e...
Abstract: A formula of phase spectrum density for transistorized amplifier is given. In order to decrease phase noise, optimal design for parameters of amplifier by using Orthogonal Array Table (OAT) is completed. The experimental result shows that the frequen...
Abstract: In the study of the problems related to the wave propagation in random media, the solutions of the moment equations are often needed. The m-nth moment equation with different wave numbers is a differential equation. In the present paper, the author c...
Abstract: A K band wideband coaxial-to-waveguide transducer is described, ts VSWR. is less than 1.1, and its insertion loss is less than 0.1 dB in the frequency range of 12.4 to 18 GHz, The measured results are in good agreement with the calculated ones.
Abstract: This paper presents the computation results of the minimum peak sidelobe filter (LP filter) for the 15bit m-sequence phase coded waveform with feedback connection [4, 3, 0] and initial condition 1001. The design of the filter resorts to linear progra...
Abstract: In this paper, a new type millimeter-wave Gunn oscillator is proposed. The advantages of NRD waveguide and resonant-cap oscillator are employed in the design of the new oscillator. The experimental results show that this kind of oscillator has a good...
Abstract: ABSTRACT In this paper, the formula given by S. Roberts and A. Von Hippel (1946) has been expanded. We make a program for calculating the phase constant of tested material which is put into the waveguide and for obtaining the multi-value solutions. T...