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1997 Vol. 19, No. 4
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1997, 19(4): 433-438.
Abstract:
This paper presents a novel theorem on the multi-dimensional function approximation ability of feed forward multi-layer neural networks (FFMLNN), which states that the function approximation ability of FFMLNN is independent of the dimension of the fu...
This paper presents a novel theorem on the multi-dimensional function approximation ability of feed forward multi-layer neural networks (FFMLNN), which states that the function approximation ability of FFMLNN is independent of the dimension of the fu...
1997, 19(4): 439-444.
Abstract:
Bidirectional Associative Memory(BAM) models are two-layer heteroassciative networks. In this paper, conditions for the existence of equilibrium points and global stability are emphatically disscussed for BAM with axonal signal transmission delays. T...
Bidirectional Associative Memory(BAM) models are two-layer heteroassciative networks. In this paper, conditions for the existence of equilibrium points and global stability are emphatically disscussed for BAM with axonal signal transmission delays. T...
1997, 19(4): 445-450.
Abstract:
A circuit of artificial neural network for implementing stable adaptive IIR filter is proposed. The circuit parameters effect the speed and stability of the adaptive process. The formula for the parameters selection is also given. So this kind of sys...
A circuit of artificial neural network for implementing stable adaptive IIR filter is proposed. The circuit parameters effect the speed and stability of the adaptive process. The formula for the parameters selection is also given. So this kind of sys...
1997, 19(4): 451-458.
Abstract:
This paper studies Synthetic Aperture Radar(SAR) images with the multiresolution analysis of wavelet transform. This study indicates that the influences of the coherent speckle noise on different frequency components of the SAR images are different, ...
This paper studies Synthetic Aperture Radar(SAR) images with the multiresolution analysis of wavelet transform. This study indicates that the influences of the coherent speckle noise on different frequency components of the SAR images are different, ...
1997, 19(4): 459-463.
Abstract:
This paper studies intensively the bilinear interpolation and 2D-IFFT method of reconstructing image from the unevenly spaced data in the spatial frequency domain. The basic ideas are to decide an evenly grid, interpolate the unevenly spaced data on ...
This paper studies intensively the bilinear interpolation and 2D-IFFT method of reconstructing image from the unevenly spaced data in the spatial frequency domain. The basic ideas are to decide an evenly grid, interpolate the unevenly spaced data on ...
1997, 19(4): 464-470.
Abstract:
A new method for the motion compensation of multiple moving targets imaging with SAR/ISAR based on Wigner-Ville and Hough transform is presented and studied. The main steps for motion detection, estimation and compensation are given. The simulated ex...
A new method for the motion compensation of multiple moving targets imaging with SAR/ISAR based on Wigner-Ville and Hough transform is presented and studied. The main steps for motion detection, estimation and compensation are given. The simulated ex...
1997, 19(4): 471-475.
Abstract:
This paper combines the least-square method and iteration method to get the fundamental matrix and develops a new evaluation function based on the epipolar geometry. During the iteration, with the evaluation function as a measurement, the points whic...
This paper combines the least-square method and iteration method to get the fundamental matrix and develops a new evaluation function based on the epipolar geometry. During the iteration, with the evaluation function as a measurement, the points whic...
1997, 19(4): 476-482.
Abstract:
In reference of the theory of adaptive IIR filters, the paper puts forward the recursive structure and quasi-recursive structure of Adaptive Volterra Filters(AVF), and discusses their characteristics and areas of applications. The introduction of rec...
In reference of the theory of adaptive IIR filters, the paper puts forward the recursive structure and quasi-recursive structure of Adaptive Volterra Filters(AVF), and discusses their characteristics and areas of applications. The introduction of rec...
1997, 19(4): 483-488.
Abstract:
In this paper, a modified Block Matching Algorithm(BMA) with motion correlation constraint is proposed at first. Then a novel motion estimation algorithm, which computes motion vector for each pixel by interpolating motion vectors is presented. In or...
In this paper, a modified Block Matching Algorithm(BMA) with motion correlation constraint is proposed at first. Then a novel motion estimation algorithm, which computes motion vector for each pixel by interpolating motion vectors is presented. In or...
1997, 19(4): 489-493.
Abstract:
Using the secret-sharing schemes, especialy the (k,n)-threshold schemes as tools, one method of constructing A2-Code from the general A-Code was given. It was shown that the new codes have all the good properties of the old ones, such as the known in...
Using the secret-sharing schemes, especialy the (k,n)-threshold schemes as tools, one method of constructing A2-Code from the general A-Code was given. It was shown that the new codes have all the good properties of the old ones, such as the known in...
1997, 19(4): 494-502.
Abstract:
The periodic cell stream is a very important member Among the input traffic sources in ATM networks. In this paper, a finite-buffered ATM multiplexer with traffic sources composed of a periodic cell stream, multiple i. i. d Bernoulli cell streams and...
The periodic cell stream is a very important member Among the input traffic sources in ATM networks. In this paper, a finite-buffered ATM multiplexer with traffic sources composed of a periodic cell stream, multiple i. i. d Bernoulli cell streams and...
1997, 19(4): 503-509.
Abstract:
The nonlinear coupled differential equations of dimensionless beam width parameters of two Gaussian optical beams with orthogonal polarization in a family of Kerr-law nonlinear reversal parabolic graded-index rod lenses are derived by using a variati...
The nonlinear coupled differential equations of dimensionless beam width parameters of two Gaussian optical beams with orthogonal polarization in a family of Kerr-law nonlinear reversal parabolic graded-index rod lenses are derived by using a variati...
1997, 19(4): 510-515.
Abstract:
High speed Multi-Chip Module (MCM) has been widely adopted in the complex system, where Simultaneous Switching Noise is one of the key factors affecting the system function. In this paper, two dimensional electromagnetic model is used to simulate pow...
High speed Multi-Chip Module (MCM) has been widely adopted in the complex system, where Simultaneous Switching Noise is one of the key factors affecting the system function. In this paper, two dimensional electromagnetic model is used to simulate pow...
1997, 19(4): 516-521.
Abstract:
Based on Fresnel-Kirchhoff theory, the electromagnetic scattering from fractal gratings, which have structure on uniform Cantor sets or Siepinski carpet, is discussed. The scattering intensities of 1-dimensional and 2-dimensional fractal grating with...
Based on Fresnel-Kirchhoff theory, the electromagnetic scattering from fractal gratings, which have structure on uniform Cantor sets or Siepinski carpet, is discussed. The scattering intensities of 1-dimensional and 2-dimensional fractal grating with...
1997, 19(4): 522-526.
Abstract:
Following the strictly solving the continuity equation of the photo-induced carriers, the FDTD analysis for millimeter wave propagation in an optically controlled rectangular dielectric waveguide was presented. Excellent agreements betweeen numerical...
Following the strictly solving the continuity equation of the photo-induced carriers, the FDTD analysis for millimeter wave propagation in an optically controlled rectangular dielectric waveguide was presented. Excellent agreements betweeen numerical...
1997, 19(4): 527-531.
Abstract:
A generalized spectral Green s function formulation of N-layer superstrata structure is given with three dimension sources, which is a set of closed form formulas. A full-wave analysis model for rectangular microstrip antennas covered with N-layer di...
A generalized spectral Green s function formulation of N-layer superstrata structure is given with three dimension sources, which is a set of closed form formulas. A full-wave analysis model for rectangular microstrip antennas covered with N-layer di...
1997, 19(4): 532-537.
Abstract:
It is very effective that use BDD to describe the synchronous circuits. This paper has proposed the reducing way for BDD in order to collapse the number of inputs, routes and states. Based on the features of circuit, several heuristic methods that sp...
It is very effective that use BDD to describe the synchronous circuits. This paper has proposed the reducing way for BDD in order to collapse the number of inputs, routes and states. Based on the features of circuit, several heuristic methods that sp...
1997, 19(4): 549-552.
Abstract:
The concept of dyadic addition family is presented. The relations between the families of dyadic complementary binary sequences and dyadic addition family, and the existing condition of the families of dyadic complementary binary sequences are studie...
The concept of dyadic addition family is presented. The relations between the families of dyadic complementary binary sequences and dyadic addition family, and the existing condition of the families of dyadic complementary binary sequences are studie...
1997, 19(4): 553-557.
Abstract:
This paper generalizes the definition of generalized Hamming weights for linear codes to nonlinear codes, derives a generalized Elias bound, and gives the weight hierarchy of linear constant weight codes.
This paper generalizes the definition of generalized Hamming weights for linear codes to nonlinear codes, derives a generalized Elias bound, and gives the weight hierarchy of linear constant weight codes.
1997, 19(4): 558-561.
Abstract:
This paper presents a new conception-the brain function state diagram (BFSD) or brain fucntion state mapping (BFSM) which describes the function cases of brain and gives the method for finding BFSD or BFSM from the brain electrical wave (BEW). In thi...
This paper presents a new conception-the brain function state diagram (BFSD) or brain fucntion state mapping (BFSM) which describes the function cases of brain and gives the method for finding BFSD or BFSM from the brain electrical wave (BEW). In thi...
1997, 19(4): 562-565.
Abstract:
In this paper, the method of the fractal interpolation is studied and is used for the image enlargement and compression coding. Some examples show the good results and high computing efficiency.
In this paper, the method of the fractal interpolation is studied and is used for the image enlargement and compression coding. Some examples show the good results and high computing efficiency.
1997, 19(4): 566-569.
Abstract:
In microwave remote sensing quantitative study, it needs to know dielectric properties of remote sensing objects precisely. The free-space method was used to in situ measure typical objects permittivities in the fields for obtaining precise data of f...
In microwave remote sensing quantitative study, it needs to know dielectric properties of remote sensing objects precisely. The free-space method was used to in situ measure typical objects permittivities in the fields for obtaining precise data of f...
1997, 19(4): 570-573.
Abstract:
A switched-current(SI) modified universal building-block(MUB) is proposed with low sensitivities as well as positive and negative outputs. Various basic operations of sampled-data signal processing can be performed by the MUB. Based on this building-...
A switched-current(SI) modified universal building-block(MUB) is proposed with low sensitivities as well as positive and negative outputs. Various basic operations of sampled-data signal processing can be performed by the MUB. Based on this building-...
1997, 19(4): 574-576.
Abstract:
In this paper the design and implementation of knowledge based geographic information system are discussed. An object oriented relation frame semantic data model and new physical data structure are proposed. In the system advanced distributed tactics...
In this paper the design and implementation of knowledge based geographic information system are discussed. An object oriented relation frame semantic data model and new physical data structure are proposed. In the system advanced distributed tactics...
1997, 19(4): 538-543.
Abstract:
First, the significance and the importance of SAR raw data compression is discussed. Then the brief history of its developmant is reviewed. Two schemes of data compression namely block adaptive quantization (BAQ) and vector quantization (VQ) is descr...
First, the significance and the importance of SAR raw data compression is discussed. Then the brief history of its developmant is reviewed. Two schemes of data compression namely block adaptive quantization (BAQ) and vector quantization (VQ) is descr...
1997, 19(4): 544-548.
Abstract:
The idea about undulating propagation of electromagnetic wave is presented. And some characters and operating principle to form undulating propagation of electromagnetic wave by multifrequency radiation source with initial twisty phase angle continua...
The idea about undulating propagation of electromagnetic wave is presented. And some characters and operating principle to form undulating propagation of electromagnetic wave by multifrequency radiation source with initial twisty phase angle continua...
