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1986 Vol. 8, No. 5
Display Method:
1986, 8(5): 321-327.
Abstract:
In this paper an algorithm of complete decoding procedure for the Goppa codes with generator polynomial G(z)=z2+z+ and parameters (2m, 2m-2m, 5) is shown. The algorithm requires at most m times calculatng inner product of vectors over GF(2) and findi...
In this paper an algorithm of complete decoding procedure for the Goppa codes with generator polynomial G(z)=z2+z+ and parameters (2m, 2m-2m, 5) is shown. The algorithm requires at most m times calculatng inner product of vectors over GF(2) and findi...
1986, 8(5): 328-334.
Abstract:
In this paper, a unified approach of iterative methods, such as Jacobi method, Gauss-Seidel method, SOR method, etc., for solving linear equations is discussed and studied. For the reason stated in this paper, this approach is called 2-dimensional it...
In this paper, a unified approach of iterative methods, such as Jacobi method, Gauss-Seidel method, SOR method, etc., for solving linear equations is discussed and studied. For the reason stated in this paper, this approach is called 2-dimensional it...
1986, 8(5): 335-342.
Abstract:
In this paper, the concept of the primary subgraph of a composite graph associated with a linear active network is introduced, and a new topological method, called the primary subgraph method, for linear active network analysis is presented. This met...
In this paper, the concept of the primary subgraph of a composite graph associated with a linear active network is introduced, and a new topological method, called the primary subgraph method, for linear active network analysis is presented. This met...
1986, 8(5): 343-348.
Abstract:
The orbits of an electron in self-fields, linear wiggler and axial fields are calculated. Then the spontaneous emission coefficient and the growth rate of the stimulated scattering are obtained. The numerical results show that under some conditions t...
The orbits of an electron in self-fields, linear wiggler and axial fields are calculated. Then the spontaneous emission coefficient and the growth rate of the stimulated scattering are obtained. The numerical results show that under some conditions t...
1986, 8(5): 349-358.
Abstract:
In the numerical analysis of axially symmetry electromagnetic field, the finite element method using ring unit with rectangular cross -section has more advantages than other methods. The ring unit characteristic equations in relation to Laplace s, Po...
In the numerical analysis of axially symmetry electromagnetic field, the finite element method using ring unit with rectangular cross -section has more advantages than other methods. The ring unit characteristic equations in relation to Laplace s, Po...
1986, 8(5): 359-366.
Abstract:
In this paper, formulas of third geometrical deflection aberratios for an ideal uniform electrostatic field are deritved by solving the motion equations of an electron passing through this field. The results can be used not only to estimate the disto...
In this paper, formulas of third geometrical deflection aberratios for an ideal uniform electrostatic field are deritved by solving the motion equations of an electron passing through this field. The results can be used not only to estimate the disto...
1986, 8(5): 367-372.
Abstract:
Starting from the dispersion relationship of gyro magnetron, the expression of small-signal gain has been derived. The electronic efficiency is also estimated. The computing results show tha.t under defined conditions a gain per unit length of 2dB/cm...
Starting from the dispersion relationship of gyro magnetron, the expression of small-signal gain has been derived. The electronic efficiency is also estimated. The computing results show tha.t under defined conditions a gain per unit length of 2dB/cm...
1986, 8(5): 373-377.
Abstract:
In this paper, relationship between the Q value and the resonant frequency is derived by means of equivalent circuit method. The parameters are obtained by taking the cavity cylinder as a helical circuit. A series of curves for optimum design is plot...
In this paper, relationship between the Q value and the resonant frequency is derived by means of equivalent circuit method. The parameters are obtained by taking the cavity cylinder as a helical circuit. A series of curves for optimum design is plot...
1986, 8(5): 378-388.
Abstract:
A method for caleulating the phase shift of a dielectric slab loaded circular waveguide with small ellipticity is described. It gives an excellent result for engineerring purposes, although it is not rigorous in theory. The maximum difference between...
A method for caleulating the phase shift of a dielectric slab loaded circular waveguide with small ellipticity is described. It gives an excellent result for engineerring purposes, although it is not rigorous in theory. The maximum difference between...
1986, 8(5): 389-396.
Abstract:
The boundary element method of potential theory is described in this paper. It is used to analyze the characteristic impedance of TEM transmission line with arbtrary cross-seetions. It is shown that the boundary element method has some advantages, su...
The boundary element method of potential theory is described in this paper. It is used to analyze the characteristic impedance of TEM transmission line with arbtrary cross-seetions. It is shown that the boundary element method has some advantages, su...
1986, 8(5): 397-400.
Abstract:
In this paper, the photoemissions of Pd-Ag-O-Cs and Sb-Na-K-Cs photocathodes under the illumination of clear star radiation are ealculated and compared. From the calcula.ted results, it gives a fine pospect that the Pd-Ag-O-Cs photocathode may be use...
In this paper, the photoemissions of Pd-Ag-O-Cs and Sb-Na-K-Cs photocathodes under the illumination of clear star radiation are ealculated and compared. From the calcula.ted results, it gives a fine pospect that the Pd-Ag-O-Cs photocathode may be use...
