Email alert
1997 Vol. 19, No. 3
Display Method:
1997, 19(3): 289-294.
Abstract:
A multisensor distributed extended Kalman filtering algorithm is presented for nonlinear systems, in which the dynamic equations of the systems and the equations of sensor s measurements are linearized in the global estimates and global predictions r...
A multisensor distributed extended Kalman filtering algorithm is presented for nonlinear systems, in which the dynamic equations of the systems and the equations of sensor s measurements are linearized in the global estimates and global predictions r...
1997, 19(3): 295-299.
Abstract:
Fractional Brownian motion, continuous everywhere and differentiable nowhere, offers a convenient modeling for irregular nonstationary stochastic processes with long-term dependencies and power law behavior of spectrum over wide ranges of frequencies...
Fractional Brownian motion, continuous everywhere and differentiable nowhere, offers a convenient modeling for irregular nonstationary stochastic processes with long-term dependencies and power law behavior of spectrum over wide ranges of frequencies...
1997, 19(3): 300-305.
Abstract:
A subspace-based tracking algorithm is proposed for high-resolution DOA estimation, using the generalized singular value decomposition (GSVD) of the sample data matrices. A GSVD updating procedure is presented. With this procedure, a new approximate ...
A subspace-based tracking algorithm is proposed for high-resolution DOA estimation, using the generalized singular value decomposition (GSVD) of the sample data matrices. A GSVD updating procedure is presented. With this procedure, a new approximate ...
1997, 19(3): 306-310.
Abstract:
A more efficient permutation algorithm which has less computer operation and better structure is presented here for radix-2 FFT (FHT). It can fasten the FFT and FHT efficiently when N becomes large.
A more efficient permutation algorithm which has less computer operation and better structure is presented here for radix-2 FFT (FHT). It can fasten the FFT and FHT efficiently when N becomes large.
1997, 19(3): 311-317.
Abstract:
P. M. Djuric, et al.(1992) researched on the segmentation of nonstationary stochastic process into piecewise stationary stochastic process by Bayesian theory, and gave a dynamic equation about the number of segments, their boundaries and AR model ord...
P. M. Djuric, et al.(1992) researched on the segmentation of nonstationary stochastic process into piecewise stationary stochastic process by Bayesian theory, and gave a dynamic equation about the number of segments, their boundaries and AR model ord...
1997, 19(3): 318-326.
Abstract:
A feedback mode with MN cells in cellular neural networks (CNN) is equivalent to a network which possesses 2MN cells, a neighborhood of mirror-like strucutre, space-variant templates and without feedback links as well as without input templates. The ...
A feedback mode with MN cells in cellular neural networks (CNN) is equivalent to a network which possesses 2MN cells, a neighborhood of mirror-like strucutre, space-variant templates and without feedback links as well as without input templates. The ...
1997, 19(3): 327-334.
Abstract:
Airborne squint mode SAR has the advantages of better flexibility and larger field in applications than the classic sidelooking mode SAR. But the imaging processing of squint mode SAR is a strict two-dimensional phenomenon. This paper compares the 2-...
Airborne squint mode SAR has the advantages of better flexibility and larger field in applications than the classic sidelooking mode SAR. But the imaging processing of squint mode SAR is a strict two-dimensional phenomenon. This paper compares the 2-...
1997, 19(3): 335-339.
Abstract:
In a CDMA wireless conmunication network using the conventional signal detection, the capacity of the system is limited and the performance is degraded by the multi-access interference (MAI). The multiuser signal detection, which make use of cross-co...
In a CDMA wireless conmunication network using the conventional signal detection, the capacity of the system is limited and the performance is degraded by the multi-access interference (MAI). The multiuser signal detection, which make use of cross-co...
1997, 19(3): 340-345.
Abstract:
A synchronous CDMA communication system in a tone jamming environment is considered. The bit error rate of an anti-multiple-access interference receiver using the single-user detector is given. The receiver (A-T receiver) is of good performance of an...
A synchronous CDMA communication system in a tone jamming environment is considered. The bit error rate of an anti-multiple-access interference receiver using the single-user detector is given. The receiver (A-T receiver) is of good performance of an...
1997, 19(3): 346-349.
Abstract:
The security relationship between p-schemes and MR(p)-schemes is analysed and their security classes are given. In addition, some multisignature schemes based on MR(p)-schemes and some password authentication schemes based on unproved ElGamal signatu...
The security relationship between p-schemes and MR(p)-schemes is analysed and their security classes are given. In addition, some multisignature schemes based on MR(p)-schemes and some password authentication schemes based on unproved ElGamal signatu...
1997, 19(3): 350-355.
Abstract:
Based on exact penalty function, a new neural-networks for solving the L1-norm optimization problem is proposed. In comparison with Kennedy and Chua s networks(1988), it has better properties. Based on Bandler s fault location method(1982), a new non...
Based on exact penalty function, a new neural-networks for solving the L1-norm optimization problem is proposed. In comparison with Kennedy and Chua s networks(1988), it has better properties. Based on Bandler s fault location method(1982), a new non...
1997, 19(3): 356-360.
Abstract:
Effective description for Binary Decision Diagram(BDD) has proven useful in many applications as data structure for Boolean function. Based on the BDD of standard gate, recursive appending from primary input to output for BDD construction is proposed...
Effective description for Binary Decision Diagram(BDD) has proven useful in many applications as data structure for Boolean function. Based on the BDD of standard gate, recursive appending from primary input to output for BDD construction is proposed...
1997, 19(3): 361-366.
Abstract:
A method of simplifying three-valued T-gate combinational networks, known as a method of splitting the truth table, is given in this paper. By using the method, the three-valued T-gate combinational networks can be simplified to minimization or near ...
A method of simplifying three-valued T-gate combinational networks, known as a method of splitting the truth table, is given in this paper. By using the method, the three-valued T-gate combinational networks can be simplified to minimization or near ...
1997, 19(3): 367-375.
Abstract:
The numerical solution of Green s function for the potential in 2-D arbitrary inhomo-geneous media with axial symmetry has been given by use of efficient half-analytical, half-numerical hybrid method. Then the logging responses of various kinds of th...
The numerical solution of Green s function for the potential in 2-D arbitrary inhomo-geneous media with axial symmetry has been given by use of efficient half-analytical, half-numerical hybrid method. Then the logging responses of various kinds of th...
1997, 19(3): 376-381.
Abstract:
As the scatterer s size is comparable with the wavelength, a rigorous solution of T-matrix is used to calculate scattering from the scatterer. When scatterers are non-uniformly clustered, coherency of collective scattering from scatterers must be tak...
As the scatterer s size is comparable with the wavelength, a rigorous solution of T-matrix is used to calculate scattering from the scatterer. When scatterers are non-uniformly clustered, coherency of collective scattering from scatterers must be tak...
1997, 19(3): 382-386.
Abstract:
A numerical procedure to solve the non-linear continuity equation of the photo-injection carrier in a semiconductor rectangular waveguide is derived. The 3-dimension distribution of the photo-induced carrier in a semiconductor waveguide was presented...
A numerical procedure to solve the non-linear continuity equation of the photo-injection carrier in a semiconductor rectangular waveguide is derived. The 3-dimension distribution of the photo-induced carrier in a semiconductor waveguide was presented...
1997, 19(3): 387-392.
Abstract:
In an X-ray preionized XeF(BX) discharge-excited laser driven by a prepulse-main pulse circuit with magnetic isolation and a pulse compressor the dependances of the laser output and conversion efficiency on gas composition, total gas pressure, circui...
In an X-ray preionized XeF(BX) discharge-excited laser driven by a prepulse-main pulse circuit with magnetic isolation and a pulse compressor the dependances of the laser output and conversion efficiency on gas composition, total gas pressure, circui...
1997, 19(3): 403-406.
Abstract:
The application of cellular neural networks is determined by its templates. In accordance with the application of digital cellular neural network the author proposed before, a method for the design of its templates, i. e., inequalities construcion me...
The application of cellular neural networks is determined by its templates. In accordance with the application of digital cellular neural network the author proposed before, a method for the design of its templates, i. e., inequalities construcion me...
1997, 19(3): 411-415.
Abstract:
The lower bound of the soft weight of the error pattern which is beyond the error-correction capbility is calculated. The result is used to prove the equivalence of decoding performance of Chase2 algorithm and maximum likelihood decoding algorithm wh...
The lower bound of the soft weight of the error pattern which is beyond the error-correction capbility is calculated. The result is used to prove the equivalence of decoding performance of Chase2 algorithm and maximum likelihood decoding algorithm wh...
1997, 19(3): 416-419.
Abstract:
This paper first presents a systematic procedure for designing double-edge-triggered D-flip-flops, instead of intuitive design, next, the double-edge-triggered D-flip-flops in the types of I2L and TTL are designed.
This paper first presents a systematic procedure for designing double-edge-triggered D-flip-flops, instead of intuitive design, next, the double-edge-triggered D-flip-flops in the types of I2L and TTL are designed.
1997, 19(3): 420-423.
Abstract:
With higher-order mode (TE021 mode) of the Dielectric Resonator(DR), a parallel feedback-type Dielectric Resonator Oscillator(DRO) operating at 10.7GHz is reported. Because of the high loaded quality factor of DR, the oscillator shows excellent phase...
With higher-order mode (TE021 mode) of the Dielectric Resonator(DR), a parallel feedback-type Dielectric Resonator Oscillator(DRO) operating at 10.7GHz is reported. Because of the high loaded quality factor of DR, the oscillator shows excellent phase...
1997, 19(3): 424-427.
Abstract:
A method for the design of continuous-time current-mode higher order filters is presented. It is based on the recursive derivation of the integrator s time constants step by step from the denominator of the current transfer function. Only a small num...
A method for the design of continuous-time current-mode higher order filters is presented. It is based on the recursive derivation of the integrator s time constants step by step from the denominator of the current transfer function. Only a small num...
1997, 19(3): 428-430.
Abstract:
A avalanche diode circuit was developed to generate picosecond high voltage pulse. The structure of the circuit was described. A pulse with 2.8kV amplitude, 140ps width was generated with this circuit.
A avalanche diode circuit was developed to generate picosecond high voltage pulse. The structure of the circuit was described. A pulse with 2.8kV amplitude, 140ps width was generated with this circuit.
1997, 19(3): 431-432.
Abstract:
When the operating frequency gets very high, the machining error may make that the resonant frequency of the cavity in gyrotron oscillator deviates the design value, or can not meet the engineering requirement. The approximate formulas considering th...
When the operating frequency gets very high, the machining error may make that the resonant frequency of the cavity in gyrotron oscillator deviates the design value, or can not meet the engineering requirement. The approximate formulas considering th...
1997, 19(3): 393-402.
Abstract:
In recent years, the radar network systems for modern military application, such as anti-stealth tactical and strategic surveillance systems, have been investigated with great interest, and multisensor data fusion has been a hot issue. Consequently, ...
In recent years, the radar network systems for modern military application, such as anti-stealth tactical and strategic surveillance systems, have been investigated with great interest, and multisensor data fusion has been a hot issue. Consequently, ...
1997, 19(3): 407-410.
Abstract:
This paper proposes a double screen technique for display realistic images of 3-dimensional multiobject on a 2-dimensional display screen rapidly. This technique is applied to process CT data of multiobject, such as liver, tumor and vessels, the resu...
This paper proposes a double screen technique for display realistic images of 3-dimensional multiobject on a 2-dimensional display screen rapidly. This technique is applied to process CT data of multiobject, such as liver, tumor and vessels, the resu...
