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1989 Vol. 11, No. 1
Display Method:
1989, 11(1): 1-9.
Abstract:
Various E-plane strip discontinuities are analyzed by the moment method and generalized network analysis technique. By introducing an idea of wide-sense waveguide, a united treatment of such problems is realized, and the thickness of the strip is tak...
Various E-plane strip discontinuities are analyzed by the moment method and generalized network analysis technique. By introducing an idea of wide-sense waveguide, a united treatment of such problems is realized, and the thickness of the strip is tak...
1989, 11(1): 10-14.
Abstract:
An efficient hybrid field solution to microstrip transmission lines is presented by using SLE and SLM modes in spectral domain. It by-passes the lengthy process of formulating the determinant equation for the unknown propagation constant. Compared wi...
An efficient hybrid field solution to microstrip transmission lines is presented by using SLE and SLM modes in spectral domain. It by-passes the lengthy process of formulating the determinant equation for the unknown propagation constant. Compared wi...
1989, 11(1): 15-20.
Abstract:
By using the method of Fourier series expansion, the inverse electromagnetic scattering problem of a 2-dimensional lossy dielectric body, of which the cross section is a narrow annulus, is studied. The analytic expressions of the electric parameters ...
By using the method of Fourier series expansion, the inverse electromagnetic scattering problem of a 2-dimensional lossy dielectric body, of which the cross section is a narrow annulus, is studied. The analytic expressions of the electric parameters ...
1989, 11(1): 21-27.
Abstract:
An algorithm is presented for generating all directed circuits of a directed graph by the linear combination in the basic set of (1) the directed or (2) the oriented circiuts. A theorem named principle of equality between numbers of edges and vertice...
An algorithm is presented for generating all directed circuits of a directed graph by the linear combination in the basic set of (1) the directed or (2) the oriented circiuts. A theorem named principle of equality between numbers of edges and vertice...
1989, 11(1): 28-34.
Abstract:
A collocation technique with multipoint weighting is presented. It converges as-rapidly as Galerkin method but needs less computation effort. By means of the technique withGauss points (superconvergent points) as the collocating points, dipole and di...
A collocation technique with multipoint weighting is presented. It converges as-rapidly as Galerkin method but needs less computation effort. By means of the technique withGauss points (superconvergent points) as the collocating points, dipole and di...
1989, 11(1): 35-43.
Abstract:
The methods to realize wide and narrow beams by one planar slot array and feed networks are proposed, in which the theoretical analysis and the relations between parameters of feed networks are given. Theoretical results agree with the experimental d...
The methods to realize wide and narrow beams by one planar slot array and feed networks are proposed, in which the theoretical analysis and the relations between parameters of feed networks are given. Theoretical results agree with the experimental d...
1989, 11(1): 44-49.
Abstract:
A novel sparse matrix technique for the numerical analysis of semiconductor devices and its algorithms are presented. Storage scheme and calculation procedure of the sparse matrix are discribed in details. The sparse matrix technique in the device si...
A novel sparse matrix technique for the numerical analysis of semiconductor devices and its algorithms are presented. Storage scheme and calculation procedure of the sparse matrix are discribed in details. The sparse matrix technique in the device si...
1989, 11(1): 50-56.
Abstract:
Principle of optical method of photocathode process control, which is one of pho-tocathode process monitoring techniques, is discussed. A monitoring apparatus is described and had applied to investigate the optical parameters of multialkali photoemii...
Principle of optical method of photocathode process control, which is one of pho-tocathode process monitoring techniques, is discussed. A monitoring apparatus is described and had applied to investigate the optical parameters of multialkali photoemii...
1989, 11(1): 68-72.
Abstract:
The Fresnel approximation in phase screen model is discussed, and the -coherence function is derived for kK. The application condition for Rino s results is obtained, and it is |▽RNe(s,)|/RNe(s,)1
The Fresnel approximation in phase screen model is discussed, and the -coherence function is derived for kK. The application condition for Rino s results is obtained, and it is |▽RNe(s,)|/RNe(s,)1
1989, 11(1): 73-77.
Abstract:
The expression of a few important formulas of electromagnetic fields are simplified by using the inner product and mutual energy formula.
The expression of a few important formulas of electromagnetic fields are simplified by using the inner product and mutual energy formula.
1989, 11(1): 78-83.
Abstract:
In this paper, the normal and abnormal cylindrical vector wave functions are constructed and their conversion relations are found out. Furthermore, thte normal and abnormal vector wave functions and their conversion relations in circular, elliptic an...
In this paper, the normal and abnormal cylindrical vector wave functions are constructed and their conversion relations are found out. Furthermore, thte normal and abnormal vector wave functions and their conversion relations in circular, elliptic an...
1989, 11(1): 84-87.
Abstract:
Two classes of identity-based key distribution schemes and the corresponding con ference key distribution schemes are proposed in this paper.
Two classes of identity-based key distribution schemes and the corresponding con ference key distribution schemes are proposed in this paper.
1989, 11(1): 88-94.
Abstract:
Symbolic code matrix, constant matrix and count matrix are defined. The first two matrixes are used to describe the elemental expressions of augmentation matrix and the node admittance equation is thus obtained. The third matrix is used to obtain the...
Symbolic code matrix, constant matrix and count matrix are defined. The first two matrixes are used to describe the elemental expressions of augmentation matrix and the node admittance equation is thus obtained. The third matrix is used to obtain the...
1989, 11(1): 95-100.
Abstract:
A new method of generating symbolic network functions--generalized eigenpo-lynomial method is developed. With the advantages of small computational requirements and high accuracy, the method is superior to all other existing methods used to solve the...
A new method of generating symbolic network functions--generalized eigenpo-lynomial method is developed. With the advantages of small computational requirements and high accuracy, the method is superior to all other existing methods used to solve the...
1989, 11(1): 101-106.
Abstract:
The structure of a new OTA floating inductance simulator is given. It is simple and can be realized very easily. Its most advantage is that the volume of the inductor can be adjusted continuously by changing the bias current IABC. The curcuit given i...
The structure of a new OTA floating inductance simulator is given. It is simple and can be realized very easily. Its most advantage is that the volume of the inductor can be adjusted continuously by changing the bias current IABC. The curcuit given i...
1989, 11(1): 107-112.
Abstract:
The different results of removing the carbon contamination with UV/O3from the GaAs, GaP, InP, GaInAs and GaInPAs surfaces are given.
The different results of removing the carbon contamination with UV/O3from the GaAs, GaP, InP, GaInAs and GaInPAs surfaces are given.
1989, 11(1): 57-67.
Abstract:
In recent years, a remarkable progress of the research work on the electron cyclotron maser (i.e. gyrotron), which provides an efficient source for generating high power radiation at millimeter and submillimeter wavelengths, has been made. The curren...
In recent years, a remarkable progress of the research work on the electron cyclotron maser (i.e. gyrotron), which provides an efficient source for generating high power radiation at millimeter and submillimeter wavelengths, has been made. The curren...
