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1988 Vol. 10, No. 4
Display Method:
1988, 10(4): 289-296.
Abstract:
For the case of sinusoids plus white noise, it will be proved that the construction of the LPEF (Linear Prediction Error Filter) coefficient matrix space is quite similar to that of the correlation matrix space. Therefore, the orthogonal vector techn...
For the case of sinusoids plus white noise, it will be proved that the construction of the LPEF (Linear Prediction Error Filter) coefficient matrix space is quite similar to that of the correlation matrix space. Therefore, the orthogonal vector techn...
1988, 10(4): 297-304.
Abstract:
The matrix D describing the relations of the loops to the nodes in the graph, the branch set based on the independent loops, and their matrix Q are defined. The theorem in which the product of the loop-node matrix D multiplied by the incidence matri ...
The matrix D describing the relations of the loops to the nodes in the graph, the branch set based on the independent loops, and their matrix Q are defined. The theorem in which the product of the loop-node matrix D multiplied by the incidence matri ...
1988, 10(4): 305-315.
Abstract:
Some new concepts of efficient incidence matrix, ascending order adjacency matrix and vertex end-result are introduced, and some improvements of the maximum weight matching algorithm are made. With the method, the computer program in FORTRAN lagua-ge...
Some new concepts of efficient incidence matrix, ascending order adjacency matrix and vertex end-result are introduced, and some improvements of the maximum weight matching algorithm are made. With the method, the computer program in FORTRAN lagua-ge...
GENERALIZED IMAGE METHOD FOR DEALING WITH THE ELECTROMAGNETIC SCATTERING FROM ANTI-SYMMETRIC OBJECTS
1988, 10(4): 316-321.
Abstract:
The generalized image method (GIM) was presented to deal with the electromagnetic scattering from anti-symmetric objects. Combined with numerical methods, it can-make the required storage and CPU time to be greatly reduced. The method was thoroughly ...
The generalized image method (GIM) was presented to deal with the electromagnetic scattering from anti-symmetric objects. Combined with numerical methods, it can-make the required storage and CPU time to be greatly reduced. The method was thoroughly ...
1988, 10(4): 322-333.
Abstract:
From the mode-matching method, by doing some transforms and derivations, the scattering and propagation integral equations for solving the problems of discontinuous dielectric structure are obtained. The necessary and sufficient condition for the exi...
From the mode-matching method, by doing some transforms and derivations, the scattering and propagation integral equations for solving the problems of discontinuous dielectric structure are obtained. The necessary and sufficient condition for the exi...
1988, 10(4): 334-342.
Abstract:
This paper describes a method for fast engineering evaluation of the transmission characteristics of single-mode optical fibers. A versatile microcomputer program is presented which can be utilised to analyse mode field characteristics of single-mode...
This paper describes a method for fast engineering evaluation of the transmission characteristics of single-mode optical fibers. A versatile microcomputer program is presented which can be utilised to analyse mode field characteristics of single-mode...
1988, 10(4): 343-349.
Abstract:
By means of quasi-optical method, the spatial resolving power of millimeter wave receiving system which is used in plasma diagnostics has been greatly improved. In this paper the formulas and procedures for designing a millimeter wave quasi-optical r...
By means of quasi-optical method, the spatial resolving power of millimeter wave receiving system which is used in plasma diagnostics has been greatly improved. In this paper the formulas and procedures for designing a millimeter wave quasi-optical r...
1988, 10(4): 350-359.
Abstract:
Effects of the loading dielectric on the properties of microwave ferrite devicesare calculated by means of coupling-wave theory. Some qualitative results are obtained. Theseare helpful to acquire a better understanding of dielectric-loaded mechanism ...
Effects of the loading dielectric on the properties of microwave ferrite devicesare calculated by means of coupling-wave theory. Some qualitative results are obtained. Theseare helpful to acquire a better understanding of dielectric-loaded mechanism ...
1988, 10(4): 360-366.
Abstract:
The interface of Si-Ni produced by evaporation was annealed from room temperature to 800℃ and in situ studied by transmission electron microscopy (TEM). The formation of Ni2Si, NiSi and NiSi2 on chemically cleaned Si (100) and (111) surfaces has been...
The interface of Si-Ni produced by evaporation was annealed from room temperature to 800℃ and in situ studied by transmission electron microscopy (TEM). The formation of Ni2Si, NiSi and NiSi2 on chemically cleaned Si (100) and (111) surfaces has been...
1988, 10(4): 367-371.
Abstract:
In this paper, by means of the relationship between matrix multiplication and polynomial multiplication, and the binomial theorem, a theorem for calculating coefficients of Tustin transformation is presented. In addition, an algorithm is given.
In this paper, by means of the relationship between matrix multiplication and polynomial multiplication, and the binomial theorem, a theorem for calculating coefficients of Tustin transformation is presented. In addition, an algorithm is given.
1988, 10(4): 372-376.
Abstract:
The transconductances (gm1s,gm2s) and drain conductance (gds) of dual-gate FETs are evaluated by takinj; a dual-gate PET as a four-polar device based on current continuity and voltage conservation. This analytic method may be suitable for any kind of...
The transconductances (gm1s,gm2s) and drain conductance (gds) of dual-gate FETs are evaluated by takinj; a dual-gate PET as a four-polar device based on current continuity and voltage conservation. This analytic method may be suitable for any kind of...
1988, 10(4): 377-380.
Abstract:
The presence of inhomogeneous distribution of defects in GaAs wafers strongly limits the reproducibility of IC fabrication processes. In this paper, we report for the first time a Fourier transformation image testing approach, called FTIT, for the tw...
The presence of inhomogeneous distribution of defects in GaAs wafers strongly limits the reproducibility of IC fabrication processes. In this paper, we report for the first time a Fourier transformation image testing approach, called FTIT, for the tw...
1988, 10(4): 381-384.
Abstract:
A new kind of dispenser cathode impregnated with barium ytterbnate has been developed. It has good properties: high coefficient of secondary emission, stronger ability of resisting oxygen poisoning, higher thermionic emission current density and more...
A new kind of dispenser cathode impregnated with barium ytterbnate has been developed. It has good properties: high coefficient of secondary emission, stronger ability of resisting oxygen poisoning, higher thermionic emission current density and more...
