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1993 Vol. 15, No. 4
Display Method:
1993, 15(4): 337-342.
Abstract:
Analysis approach and formulas for the transmission properties of uniform multiconductor interconnecting buses in high s peed integrated circuits are presented in this article. And further, by using a network approach, a tapered bus system can be ana...
Analysis approach and formulas for the transmission properties of uniform multiconductor interconnecting buses in high s peed integrated circuits are presented in this article. And further, by using a network approach, a tapered bus system can be ana...
1993, 15(4): 343-350.
Abstract:
The time-domain radiation characteristic of a three V-dipole array has been studied by direct time-domain method. Some valuable results are obtained.
The time-domain radiation characteristic of a three V-dipole array has been studied by direct time-domain method. Some valuable results are obtained.
1993, 15(4): 351-358.
Abstract:
The extraordinary waves of the ferrite medium are decomposed into TE and TM modes, through the Fourier transformation and a coordinate rotaion of Maxwell s equations. The wave admittances of TE and TM modes is neglected, the finline with magnetized f...
The extraordinary waves of the ferrite medium are decomposed into TE and TM modes, through the Fourier transformation and a coordinate rotaion of Maxwell s equations. The wave admittances of TE and TM modes is neglected, the finline with magnetized f...
1993, 15(4): 359-366.
Abstract:
The backscattering of light wave from arbitrary convex dielectric objects wich rough surface is investigated and the formulas for calculating the backscattering cross-section of both coherent and incoherent fields are obtained. In the infrared wave-b...
The backscattering of light wave from arbitrary convex dielectric objects wich rough surface is investigated and the formulas for calculating the backscattering cross-section of both coherent and incoherent fields are obtained. In the infrared wave-b...
1993, 15(4): 367-374.
Abstract:
Ion-channel laser (ICL) is a new form of free electron laser which can produce tunable-coherent radiation with frequencies ranging from microwave to soft X rays. In this paper, the amplification mechanism of ICL in low gain regime is investigated. Us...
Ion-channel laser (ICL) is a new form of free electron laser which can produce tunable-coherent radiation with frequencies ranging from microwave to soft X rays. In this paper, the amplification mechanism of ICL in low gain regime is investigated. Us...
1993, 15(4): 375-381.
Abstract:
In recent years, adaptive clutter suppression for airborne early warning (AEW) radars have attracted considerable attention. A necessary condition for efficient clutter suppression is that the number of adaptive degree of freedom (DOF) is greater tha...
In recent years, adaptive clutter suppression for airborne early warning (AEW) radars have attracted considerable attention. A necessary condition for efficient clutter suppression is that the number of adaptive degree of freedom (DOF) is greater tha...
1993, 15(4): 382-387.
Abstract:
A new improved parameterization means of instantaneous signal is proposed. Its applications in the field of nuclear ex plosion detection are presented. The discus-sion will centre on the signal modelling and the algorithm of extracting signal paramet...
A new improved parameterization means of instantaneous signal is proposed. Its applications in the field of nuclear ex plosion detection are presented. The discus-sion will centre on the signal modelling and the algorithm of extracting signal paramet...
1993, 15(4): 388-395.
Abstract:
Based on the influence of circuit element tolerances to the k-fault diagnosis, a method of fault diagnosis is presented which is called as minimum tolerance estimation algorithm and has clear physical meaning. Using this method, an effective estimati...
Based on the influence of circuit element tolerances to the k-fault diagnosis, a method of fault diagnosis is presented which is called as minimum tolerance estimation algorithm and has clear physical meaning. Using this method, an effective estimati...
1993, 15(4): 396-403.
Abstract:
The problem of realization of two-port networks terminating with load is discussed. The mathematical model of solving parameters of a network is established. The software of computing parameter of network is given. It is convenient for the practical ...
The problem of realization of two-port networks terminating with load is discussed. The mathematical model of solving parameters of a network is established. The software of computing parameter of network is given. It is convenient for the practical ...
1993, 15(4): 404-409.
Abstract:
The concepts of k-order modified double-graphs and k-order modified matrices are introduced. By using them two new expressions of graph determinant C(Y) and k-order cofactor Y(ij)are deduced. Then the modified double-graph method is presented for fin...
The concepts of k-order modified double-graphs and k-order modified matrices are introduced. By using them two new expressions of graph determinant C(Y) and k-order cofactor Y(ij)are deduced. Then the modified double-graph method is presented for fin...
1993, 15(4): 410-415.
Abstract:
A effective multirate preprocessing technique for microwave imaging is presented. This technique has the advantages of largely compressing the original collected spectral data and reducing computational complexity of some imaging alogrithms. Also, th...
A effective multirate preprocessing technique for microwave imaging is presented. This technique has the advantages of largely compressing the original collected spectral data and reducing computational complexity of some imaging alogrithms. Also, th...
1993, 15(4): 416-420.
Abstract:
An ASM one-zero-hot design method of using ternary flip-flops with binary construction as storage cells is presented in this paper.
An ASM one-zero-hot design method of using ternary flip-flops with binary construction as storage cells is presented in this paper.
1993, 15(4): 421-424.
Abstract:
The method and system for measuring parametros of fL and of 1/f noise in BJT are presented. Finally, the examples are given.
The method and system for measuring parametros of fL and of 1/f noise in BJT are presented. Finally, the examples are given.
1993, 15(4): 425-430.
Abstract:
The definition of good codes for error detection is given- It is proved that linear block codes in GF(q) are good codes for error detection if and only if its dual codes are good ones also- A series of new results abour good codes for error detection...
The definition of good codes for error detection is given- It is proved that linear block codes in GF(q) are good codes for error detection if and only if its dual codes are good ones also- A series of new results abour good codes for error detection...
1993, 15(4): 431-434.
Abstract:
Experimental structure and results of a new type of solid-state power combiner with short focal length open cavity are presented in this paper. In X wave-band, the experiments use four Gunn diodes, with every two in series with electric field, whose ...
Experimental structure and results of a new type of solid-state power combiner with short focal length open cavity are presented in this paper. In X wave-band, the experiments use four Gunn diodes, with every two in series with electric field, whose ...
1993, 15(4): 435-440.
Abstract:
The relative convergence problem arouse in model matching method is discussed and a mode sorting technique is presented to solve this problem. Numerical examples demonstrated that this sorted mode matching method can not only solve the relative conve...
The relative convergence problem arouse in model matching method is discussed and a mode sorting technique is presented to solve this problem. Numerical examples demonstrated that this sorted mode matching method can not only solve the relative conve...
APPLICATION OF SWITCH-ON FUNCTIONS IN THE 2-D FDTD MODELING TIME-HARMONIC ELECTROMAGNETIC SCATTERING
1993, 15(4): 441-444.
Abstract:
When the time-harmonic electromagnetic scattering is modeled via the finite-difference time-domain (FDTD) technique, an additional switch-on function is introduced in order to reduce the ringing phenomenon for initial transient process in FDTD calcul...
When the time-harmonic electromagnetic scattering is modeled via the finite-difference time-domain (FDTD) technique, an additional switch-on function is introduced in order to reduce the ringing phenomenon for initial transient process in FDTD calcul...
1993, 15(4): 445-448.
Abstract:
Energy levels and wavefunctions in GaAs quantum wells are calculated by solving the Schrdinger equation using Numerov method, and their dependence on various parameters including well width, barrier height and external field are examined in detail. T...
Energy levels and wavefunctions in GaAs quantum wells are calculated by solving the Schrdinger equation using Numerov method, and their dependence on various parameters including well width, barrier height and external field are examined in detail. T...
