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1994 Vol. 16, No. 4
Display Method:
1994, 16(4): 337-344.
Abstract:
A multipath search algorithm of CVSD is proposed. It is shown both analytically and by simulations that the proposed multipath algorithm can overcome the unstability problem of the single-path algorithm and improve greatly the performances of the sin...
A multipath search algorithm of CVSD is proposed. It is shown both analytically and by simulations that the proposed multipath algorithm can overcome the unstability problem of the single-path algorithm and improve greatly the performances of the sin...
1994, 16(4): 345-351.
Abstract:
The minimum squared Euclidean distance (MSED) of 2-ary multi-h continuous-phase frequency-shift keying (CPFSK) signal is presented. The signal segregation degree (SSD) has been put forward to determine MSED of CPFSK. In order to maximizing MSED, SSD ...
The minimum squared Euclidean distance (MSED) of 2-ary multi-h continuous-phase frequency-shift keying (CPFSK) signal is presented. The signal segregation degree (SSD) has been put forward to determine MSED of CPFSK. In order to maximizing MSED, SSD ...
1994, 16(4): 352-358.
Abstract:
A neural network model for computing real zeros of polynomials is presented. Both the mathematical analysis and the experimental results show that the proposed network is effective.
A neural network model for computing real zeros of polynomials is presented. Both the mathematical analysis and the experimental results show that the proposed network is effective.
1994, 16(4): 359-364.
Abstract:
This paper discusses the distinction between internetworks and single network in the congestion control. It has shown the reason why all of single network s congestion controls are not suitable to internetworks. A new congestion control scheme for in...
This paper discusses the distinction between internetworks and single network in the congestion control. It has shown the reason why all of single network s congestion controls are not suitable to internetworks. A new congestion control scheme for in...
THE UNIFIED THEORY FOR DESIGNING AND ANALYSING BOTH SYNCHRONOUS AND ASYNCHRONOUS SEQUENTIAL CIRCUITS
1994, 16(4): 365-372.
Abstract:
The paper discusses general expresses of the clock signal and the next state equations containing the clock signal for flip-flops, and based on it, the unified theory for designing and analysing both synchronous and asynchronous sequential circuits i...
The paper discusses general expresses of the clock signal and the next state equations containing the clock signal for flip-flops, and based on it, the unified theory for designing and analysing both synchronous and asynchronous sequential circuits i...
1994, 16(4): 373-379.
Abstract:
An aperture design technique using multi-step amplitude quantization for two-dimensional solid-state active phased arrays to achieve low sidelobe is described. It can be applied to antennas with the arbitrary complex aperture. Also, the gain drop and...
An aperture design technique using multi-step amplitude quantization for two-dimensional solid-state active phased arrays to achieve low sidelobe is described. It can be applied to antennas with the arbitrary complex aperture. Also, the gain drop and...
1994, 16(4): 380-387.
Abstract:
Based on the calculation of the characteristic parameters of curved surface dipoles by moment method, the directivities are optimized, the maximum directivities of curved surface dipoles are obtained.
Based on the calculation of the characteristic parameters of curved surface dipoles by moment method, the directivities are optimized, the maximum directivities of curved surface dipoles are obtained.
1994, 16(4): 388-394.
Abstract:
By studying the arbitrary two dimensional problems of EMF in Cartesian coordinates with the numerical mode matching method, this paper presents a series of more general and applicable formulation, including the unified matrix expanding formula suitab...
By studying the arbitrary two dimensional problems of EMF in Cartesian coordinates with the numerical mode matching method, this paper presents a series of more general and applicable formulation, including the unified matrix expanding formula suitab...
1994, 16(4): 395-401.
Abstract:
Based on the materials mainly got from the National Natural Science Fundation of China supported projects, the histroy, current situation and prospect of electromagnetic field investigation in China are summarized.
Based on the materials mainly got from the National Natural Science Fundation of China supported projects, the histroy, current situation and prospect of electromagnetic field investigation in China are summarized.
1994, 16(4): 402-406.
Abstract:
The numerical simulation of two dimensional device is conducted to describe the mechanism of the special substrate current and degradation of submi-cron LDD structure observed in experiments, and finally, the optimum processes for submicron LDD CMOS ...
The numerical simulation of two dimensional device is conducted to describe the mechanism of the special substrate current and degradation of submi-cron LDD structure observed in experiments, and finally, the optimum processes for submicron LDD CMOS ...
1994, 16(4): 407-411.
Abstract:
Based on the statistical optimization method of circuit design centering proposed by Soin and Spence (1980), a modified yield maximization technique, moving center of gravity, is suggested. This method is satisfactory in solving circuit yield maximiz...
Based on the statistical optimization method of circuit design centering proposed by Soin and Spence (1980), a modified yield maximization technique, moving center of gravity, is suggested. This method is satisfactory in solving circuit yield maximiz...
1994, 16(4): 412-415.
Abstract:
The cyclic codes are studied by using the geometric method. It is proved that the parity check matrix for BCH code is a representation form in the eigenvector basis. Thus the study on cyclic codes may be brought into the framework of linear system th...
The cyclic codes are studied by using the geometric method. It is proved that the parity check matrix for BCH code is a representation form in the eigenvector basis. Thus the study on cyclic codes may be brought into the framework of linear system th...
1994, 16(4): 416-422.
Abstract:
The phase and frequency locking of microwave, millimeter wave power combining were analysed and summarized in an all-round way. The master/slave phase locking of cavity oscillators, the peer phase locking of mutually coupled oscillators, and the peer...
The phase and frequency locking of microwave, millimeter wave power combining were analysed and summarized in an all-round way. The master/slave phase locking of cavity oscillators, the peer phase locking of mutually coupled oscillators, and the peer...
1994, 16(4): 423-427.
Abstract:
A program which can calculate resonant frequencies with arbitrary modes by FD-TD method coupled with the discrete Fourier transform is set up. Several resonators including coaxial resonators, empty cylindrical resonators, dielectric loaded cylindrica...
A program which can calculate resonant frequencies with arbitrary modes by FD-TD method coupled with the discrete Fourier transform is set up. Several resonators including coaxial resonators, empty cylindrical resonators, dielectric loaded cylindrica...
1994, 16(4): 428-431.
Abstract:
The complex ray expansion is a simple approach for target scattering field computation, whose effectiveness depends on the systematic investigation of its error. In this paper, plane wave spectral integral is used as a standard reference and the dist...
The complex ray expansion is a simple approach for target scattering field computation, whose effectiveness depends on the systematic investigation of its error. In this paper, plane wave spectral integral is used as a standard reference and the dist...
1994, 16(4): 432-438.
Abstract:
The formulas of dyadic Greens function for two-layer chiral electric dipole antenna are derived at first, and using the method of saddle-point integration,the expression of radiation field of electric dipole antenna is also derived. The ef fects of c...
The formulas of dyadic Greens function for two-layer chiral electric dipole antenna are derived at first, and using the method of saddle-point integration,the expression of radiation field of electric dipole antenna is also derived. The ef fects of c...
1994, 16(4): 439-443.
Abstract:
This paper presents a general theory of chiroplasma waveguides, which consist of cylindrical waveguides filled with chiroplasma materials. The relations between the transverse components and the longitudinal parts of electromagnetic fields in the wav...
This paper presents a general theory of chiroplasma waveguides, which consist of cylindrical waveguides filled with chiroplasma materials. The relations between the transverse components and the longitudinal parts of electromagnetic fields in the wav...
1994, 16(4): 444-448.
Abstract:
A novel super-PC based SAR imaging processor is presented and its system configuration and software design are analyzed in detail. Finally the advantages of this processor are sufficiently proved by the experimental results.
A novel super-PC based SAR imaging processor is presented and its system configuration and software design are analyzed in detail. Finally the advantages of this processor are sufficiently proved by the experimental results.
