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1996 Vol. 18, No. 3
Display Method:
1996, 18(3): 225-229.
Abstract:
This paper studies the integration tracking mechanism of centralized multiradar system, such as tracking file management, operation mechanism, etc., and presents methods for initial position-presetting of radar azimuth scanning and data rearraging. S...
This paper studies the integration tracking mechanism of centralized multiradar system, such as tracking file management, operation mechanism, etc., and presents methods for initial position-presetting of radar azimuth scanning and data rearraging. S...
1996, 18(3): 230-235.
Abstract:
A method is presented to assess the Synthitic Aperture Radar (SAR) resolution of coherent targets. The SAR resolution is usually considered to be a parameter of SAR system and determined by SAR itself. However, the SAR resolution is also relative to ...
A method is presented to assess the Synthitic Aperture Radar (SAR) resolution of coherent targets. The SAR resolution is usually considered to be a parameter of SAR system and determined by SAR itself. However, the SAR resolution is also relative to ...
1996, 18(3): 236-242.
Abstract:
A convenient implementation approach of space-time adaptive processing for airborne radar has been proposed, which is added by some auxiliary array elements in the area of main-lobe clutter. It is of practical use for its small computational load. Si...
A convenient implementation approach of space-time adaptive processing for airborne radar has been proposed, which is added by some auxiliary array elements in the area of main-lobe clutter. It is of practical use for its small computational load. Si...
1996, 18(3): 243-248.
Abstract:
This paper studies the performances of the GOSGO (Generalised Order Statistics and Greatest Of)-- and GOSSO (Generalised Order Statistics and Smallest Of)--CFAR detectors under clutter edge situation. The analytic expressions of false alarm probabili...
This paper studies the performances of the GOSGO (Generalised Order Statistics and Greatest Of)-- and GOSSO (Generalised Order Statistics and Smallest Of)--CFAR detectors under clutter edge situation. The analytic expressions of false alarm probabili...
1996, 18(3): 249-255.
Abstract:
A Suboptimal Maximum Likelihood Estimation(SMLE) algorithm based on full-deramp model and its implementation in satellite-borne radar altimeter are presented in this paper. The influence of both the return fluctuation and the receiver noise on the he...
A Suboptimal Maximum Likelihood Estimation(SMLE) algorithm based on full-deramp model and its implementation in satellite-borne radar altimeter are presented in this paper. The influence of both the return fluctuation and the receiver noise on the he...
1996, 18(3): 256-262.
Abstract:
The finite data estimates of the complex fourth-order moments of a signal consisting of random harmonics are analysed. Conditions for the fourth-order stationarity and ergodicity are obtained. Explicit formulas for the estimation error and its varian...
The finite data estimates of the complex fourth-order moments of a signal consisting of random harmonics are analysed. Conditions for the fourth-order stationarity and ergodicity are obtained. Explicit formulas for the estimation error and its varian...
1996, 18(3): 263-269.
Abstract:
At first, a formula for computing the dimension of (narrow-sense, primitive) BCH codes over GF(q) is offered, which is better than the result given by F. J. MacWilliams et al. (1977). then a new method for calculating the dimension of BCH codes is pr...
At first, a formula for computing the dimension of (narrow-sense, primitive) BCH codes over GF(q) is offered, which is better than the result given by F. J. MacWilliams et al. (1977). then a new method for calculating the dimension of BCH codes is pr...
1996, 18(3): 270-275.
Abstract:
A method for solving fuzzy linear pregramming with neural network is described and some experimental results are given. The method for error compensation is presented to minimize the effect of errors of amplifiers and connecting resistors.
A method for solving fuzzy linear pregramming with neural network is described and some experimental results are given. The method for error compensation is presented to minimize the effect of errors of amplifiers and connecting resistors.
1996, 18(3): 276-282.
Abstract:
The time-domain Electromagnetic(EM) scattering by buried objects in dispersive media is calculated by using FD-TD method. The FD-TD formula in Debye dispersive media(both the complex permeability and the complex permittivity are described by Debye eq...
The time-domain Electromagnetic(EM) scattering by buried objects in dispersive media is calculated by using FD-TD method. The FD-TD formula in Debye dispersive media(both the complex permeability and the complex permittivity are described by Debye eq...
1996, 18(3): 283-291.
Abstract:
Novel finite-difference approximations of Mur s conditions are presented in frequency-domain. Combined with the FD-FD equations deduced, the new conditions are convenient and effective to solve EM problems of inhomogeneous anisotropic media. By use o...
Novel finite-difference approximations of Mur s conditions are presented in frequency-domain. Combined with the FD-FD equations deduced, the new conditions are convenient and effective to solve EM problems of inhomogeneous anisotropic media. By use o...
1996, 18(3): 292-297.
Abstract:
The possibility of using chiro-omega media as the substrates of microstrip antennas is discussed. With the help of the generalized spectral domain-exponential matrix technique, the far-field behaviour of dipole antenna is analysed in detail, which is...
The possibility of using chiro-omega media as the substrates of microstrip antennas is discussed. With the help of the generalized spectral domain-exponential matrix technique, the far-field behaviour of dipole antenna is analysed in detail, which is...
1996, 18(3): 298-303.
Abstract:
The dispersion equation of TM mode slow wave in a cylindrical waveguide having a annular plasma sheet is derived under the condition of plasma thickness effect. By means of the relativistic space charge wave theory, the space charge wave equation is ...
The dispersion equation of TM mode slow wave in a cylindrical waveguide having a annular plasma sheet is derived under the condition of plasma thickness effect. By means of the relativistic space charge wave theory, the space charge wave equation is ...
1996, 18(3): 304-309.
Abstract:
The use of a background plasma in a dielectric Cherenkov maser can effectively increase the efficiency and the microwave power output of the device. Here, the effect of the longitudinal uniform magnetic field on the wave-beam interaction of the plasm...
The use of a background plasma in a dielectric Cherenkov maser can effectively increase the efficiency and the microwave power output of the device. Here, the effect of the longitudinal uniform magnetic field on the wave-beam interaction of the plasm...
1996, 18(3): 317-321.
Abstract:
A technique is analysed for the determination of complex permittivity of MIC substrates for deposition of high- superconducting (HTS) thin films. By using high Q factor TM circular cavity, several monocrystals which are often used for deposition of H...
A technique is analysed for the determination of complex permittivity of MIC substrates for deposition of high- superconducting (HTS) thin films. By using high Q factor TM circular cavity, several monocrystals which are often used for deposition of H...
1996, 18(3): 322-326.
Abstract:
The principle of the generalized multipole technique (GMT) is studied, and the cause is discovered that the technique can not be applied to perfectly conducting scatterers with sharp edges. Then a new method, combining GMT with finite difference tech...
The principle of the generalized multipole technique (GMT) is studied, and the cause is discovered that the technique can not be applied to perfectly conducting scatterers with sharp edges. Then a new method, combining GMT with finite difference tech...
1996, 18(3): 327-331.
Abstract:
Electric-field integral equation(EFIE) method is one of most widely used methods for solving the electromagnetic scattering problems. Unfortunately, inconsistencies in the numerical results are observed when the method is used in the 2-D TE and the 3...
Electric-field integral equation(EFIE) method is one of most widely used methods for solving the electromagnetic scattering problems. Unfortunately, inconsistencies in the numerical results are observed when the method is used in the 2-D TE and the 3...
1996, 18(3): 332-336.
Abstract:
This paper, first, analyzes self-doping mechanism, then develops an optimization technology by using the contrary compensation principle, adsorption-desorption mechanism and transform of viscous flow layer between static and dymanic conditons. It res...
This paper, first, analyzes self-doping mechanism, then develops an optimization technology by using the contrary compensation principle, adsorption-desorption mechanism and transform of viscous flow layer between static and dymanic conditons. It res...
1996, 18(3): 310-316.
Abstract:
Cyclostationary signal is an important class of non-statinary signal. many signals and/or inteferences show certain degree of cyclostatioinarity. Therefore, signal processors considering this property of the signal can obtain many performance advanta...
Cyclostationary signal is an important class of non-statinary signal. many signals and/or inteferences show certain degree of cyclostatioinarity. Therefore, signal processors considering this property of the signal can obtain many performance advanta...
