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1990 Vol. 12, No. 5
Display Method:
1990, 12(5): 449-458.
Abstract:
In the multistage imaging proc ssing for SAR digital imaging and the applications of SAR image, it is often required to extract the luminance edge features of the SAR imagery. It has been studied to extract the luminance edge features for the ordinar...
In the multistage imaging proc ssing for SAR digital imaging and the applications of SAR image, it is often required to extract the luminance edge features of the SAR imagery. It has been studied to extract the luminance edge features for the ordinar...
1990, 12(5): 459-466.
Abstract:
Householder transform is used to triangularize the data matrix which is based on the linear prediction error equation. It is proved that the sum of squared residuals for each AR order can be obtained by the main diagonal elements of upper triangular ...
Householder transform is used to triangularize the data matrix which is based on the linear prediction error equation. It is proved that the sum of squared residuals for each AR order can be obtained by the main diagonal elements of upper triangular ...
1990, 12(5): 467-471.
Abstract:
The capabilities of decoding beyond the bound of the. complex-rotary codes and its dual codes are analysed. It is obtained that the complex-rotary codes with t = (p+1)/2 can correct Ct+1p2+p(p-1)-p2Ctp+1 errors of (t +1) and its dual codes can correc...
The capabilities of decoding beyond the bound of the. complex-rotary codes and its dual codes are analysed. It is obtained that the complex-rotary codes with t = (p+1)/2 can correct Ct+1p2+p(p-1)-p2Ctp+1 errors of (t +1) and its dual codes can correc...
1990, 12(5): 472-481.
Abstract:
The problems about the periods, the circle numbers, the distribution properties of the linear recurring sequences over Z/(m) and the polynomials in Z/(m) [x] are discussed.
The problems about the periods, the circle numbers, the distribution properties of the linear recurring sequences over Z/(m) and the polynomials in Z/(m) [x] are discussed.
A NUMERICAL METHOD OF DIRECT SEARCHOPTIMIZATION FOR OBTAINING PARAMETERSOF LOSSLESS TWO-PORT NETWORK
1990, 12(5): 482-487.
Abstract:
A numerical method of direct search optimization is presented for calculating parameters of a reciprocal lossless two-port network. Some examples are given. It is pointed out that the results obtained by different methods agree with one another.
A numerical method of direct search optimization is presented for calculating parameters of a reciprocal lossless two-port network. Some examples are given. It is pointed out that the results obtained by different methods agree with one another.
1990, 12(5): 488-496.
Abstract:
The eigenfields in finline are expanded in terms of the hybrid modes. The propagation constants of the dominant mode and the higer modes as well as the associated eigenfields in the spectral domain are then determined by using the spectral domain met...
The eigenfields in finline are expanded in terms of the hybrid modes. The propagation constants of the dominant mode and the higer modes as well as the associated eigenfields in the spectral domain are then determined by using the spectral domain met...
1990, 12(5): 497-502.
Abstract:
According to the model of equivalent dipoles for active molecules, the analysis of inelastic EM scattering by active molecules embedded in a sphere is given by the method of dyadic Green s functions at first, and rhen, based on the theory of elastic ...
According to the model of equivalent dipoles for active molecules, the analysis of inelastic EM scattering by active molecules embedded in a sphere is given by the method of dyadic Green s functions at first, and rhen, based on the theory of elastic ...
1990, 12(5): 503-511.
Abstract:
Based on the strong fluctuation theory, the calculating method for effective electromagnetic parameters of srochastically oriented granular media is derived. Applying the theory to study absorbed materials, the optimum shape of absorbed particles in ...
Based on the strong fluctuation theory, the calculating method for effective electromagnetic parameters of srochastically oriented granular media is derived. Applying the theory to study absorbed materials, the optimum shape of absorbed particles in ...
1990, 12(5): 521-525.
Abstract:
A new method for analysing the stabilities of analog electronic neural networks is presented. The energy functions with clear and definite physical meaning are derived by introducing the static equivalent circuit models, which has expanded the Telleg...
A new method for analysing the stabilities of analog electronic neural networks is presented. The energy functions with clear and definite physical meaning are derived by introducing the static equivalent circuit models, which has expanded the Telleg...
1990, 12(5): 526-530.
Abstract:
A new method of 3-D reconstruction of space object from its space continual series images is introduced based on the principle of sampling. Compared with old methods, this method has many advantages such as higher precision and fewer requested known ...
A new method of 3-D reconstruction of space object from its space continual series images is introduced based on the principle of sampling. Compared with old methods, this method has many advantages such as higher precision and fewer requested known ...
1990, 12(5): 531-535.
Abstract:
A simple method of analysing sensitivities of the transfer functions and the errors between the transfer functions and the corresponding direct transfer functions to parasitic effects, by using the relations between the transfer function, return diff...
A simple method of analysing sensitivities of the transfer functions and the errors between the transfer functions and the corresponding direct transfer functions to parasitic effects, by using the relations between the transfer function, return diff...
1990, 12(5): 536-541.
Abstract:
An approach for caculating sensitivity of electronic circuits is presented. The approach is based on the incremental network, and some improvements are obtained. The main advantage is that it can calculate sensitivities of all network outputs with re...
An approach for caculating sensitivity of electronic circuits is presented. The approach is based on the incremental network, and some improvements are obtained. The main advantage is that it can calculate sensitivities of all network outputs with re...
1990, 12(5): 542-545.
Abstract:
On the basis of experiments, a new conductive expression of photoconductive switch is proposed. According to this expression, the generation and sampling of high speed pulses, as well as the characteristics of photoelectron correlation measurement ar...
On the basis of experiments, a new conductive expression of photoconductive switch is proposed. According to this expression, the generation and sampling of high speed pulses, as well as the characteristics of photoelectron correlation measurement ar...
1990, 12(5): 546-551.
Abstract:
Statistical analyses on the quantized error of pulse-counting in digitized measurement are made. A Probability distribution of pulse-counting in random measurement is obtamed The probable applications in measurement are studied.
Statistical analyses on the quantized error of pulse-counting in digitized measurement are made. A Probability distribution of pulse-counting in random measurement is obtamed The probable applications in measurement are studied.
1990, 12(5): 552-556.
Abstract:
An electrostatic wiggler FEL can use an electrostatic wiggler instead of a mag-netostic wiggler to generate coherent radiations. A new kind of electrostatic wiggler is presented and studied. The results show that a circularly-polarized electrostatic ...
An electrostatic wiggler FEL can use an electrostatic wiggler instead of a mag-netostic wiggler to generate coherent radiations. A new kind of electrostatic wiggler is presented and studied. The results show that a circularly-polarized electrostatic ...
1990, 12(5): 557-560.
Abstract:
The characteristics and principles of a new current regulator are analysed- As A result of adopting the current regulator as the current supply and realizing the optirrium temperature compensation, a very stable output current have been obtained. The...
The characteristics and principles of a new current regulator are analysed- As A result of adopting the current regulator as the current supply and realizing the optirrium temperature compensation, a very stable output current have been obtained. The...
1990, 12(5): 512-520.
Abstract:
This paper is intented to explain that Molecular Electronic Device (MED) as the third generation devices following vacuum valves and semiconductors will take part in information science on accounting of the development not only of devices but also of...
This paper is intented to explain that Molecular Electronic Device (MED) as the third generation devices following vacuum valves and semiconductors will take part in information science on accounting of the development not only of devices but also of...
