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2017 Vol. 39, No. 10
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2017, 39(10): 2287-2293.
doi: 10.11999/JEIT170014
Abstract:
Equivalent Number of Looks (ENL) is an important parameter in statistical modelling of multi-look Polarimetric SAR (PolSAR) data. In some automated applications of PolSAR images, it is necessary to estimate the ENL in an unsupervised way without any ...
Equivalent Number of Looks (ENL) is an important parameter in statistical modelling of multi-look Polarimetric SAR (PolSAR) data. In some automated applications of PolSAR images, it is necessary to estimate the ENL in an unsupervised way without any ...
2017, 39(10): 2294-2301.
doi: 10.11999/JETI170118
Abstract:
A method is proposed to analyze and assess the SAR resolution, which considers the statistical characteristics of the distributed targets and the number of multi-look. The joint probability density function of two points on the amplitude radio, phase...
A method is proposed to analyze and assess the SAR resolution, which considers the statistical characteristics of the distributed targets and the number of multi-look. The joint probability density function of two points on the amplitude radio, phase...
2017, 39(10): 2302-2310.
doi: 10.11999/JEIT170190
Abstract:
A frequency-domain block Range-Doppler-Space Least-Mean-Square (RDS-LMS) algorithm is proposed for the cancellation of the Doppler spread of clutter for airborne passive radar. To avoid the cancellation of targets in the clutter Doppler band with the...
A frequency-domain block Range-Doppler-Space Least-Mean-Square (RDS-LMS) algorithm is proposed for the cancellation of the Doppler spread of clutter for airborne passive radar. To avoid the cancellation of targets in the clutter Doppler band with the...
2017, 39(10): 2311-2316.
doi: 10.11999/JEIT170034
Abstract:
The conventional correction method based on invariable TEC is no longer applicable to GEOSAR, because the temporal variability of ionosphere exits in synthetic aperture time of GEOSAR. In this paper, a correction method based on 4-D electronic densit...
The conventional correction method based on invariable TEC is no longer applicable to GEOSAR, because the temporal variability of ionosphere exits in synthetic aperture time of GEOSAR. In this paper, a correction method based on 4-D electronic densit...
2017, 39(10): 2317-2324.
doi: 10.11999/JEIT170012
Abstract:
In bistatic spaceborne High Resolution Wide Swath SAR (HRWS-SAR) system, the Digital Beam Forming (DBF) technique is employed to achieve the coherent combination of multi-channel signals in the fast time domain, and its performance is affected by the...
In bistatic spaceborne High Resolution Wide Swath SAR (HRWS-SAR) system, the Digital Beam Forming (DBF) technique is employed to achieve the coherent combination of multi-channel signals in the fast time domain, and its performance is affected by the...
2017, 39(10): 2325-2331.
doi: 10.11999/JEIT170093
Abstract:
The past decades have witnessed an increasing attention for detailed observation with developing of Synthetic Aperture Radar (SAR). The higher the resolutions of SAR images are, the more detailed information can be obtained from the images. At the pr...
The past decades have witnessed an increasing attention for detailed observation with developing of Synthetic Aperture Radar (SAR). The higher the resolutions of SAR images are, the more detailed information can be obtained from the images. At the pr...
2017, 39(10): 2332-2339.
doi: 10.11999/JEIT170152
Abstract:
Passive radar makes full use of non-cooperative illumination source to detect targets. Reference signal purification and clutter suppression of the surveillance signal are two key steps to achieve target signal detection. To solve the problem of the ...
Passive radar makes full use of non-cooperative illumination source to detect targets. Reference signal purification and clutter suppression of the surveillance signal are two key steps to achieve target signal detection. To solve the problem of the ...
2017, 39(10): 2340-2345.
doi: 10.11999/JEIT170167
Abstract:
Particle Swarm Optimization (PSO) is an efficient technology to synthesize desired pattern of antenna arrays. But in some complicated cases, the optimizer will fail because the optimum particles fall into local best solutions and the convergence is s...
Particle Swarm Optimization (PSO) is an efficient technology to synthesize desired pattern of antenna arrays. But in some complicated cases, the optimizer will fail because the optimum particles fall into local best solutions and the convergence is s...
2017, 39(10): 2346-2353.
doi: 10.11999/JEIT170085
Abstract:
To avoid the track coalescence of the Joint Integrated Probabilistic Data Association (JIPDA), a modified version of JIPDA is proposed by modelling targets as Random Finite Set (RFS). The JIPDA first generates the original Probability Density Functio...
To avoid the track coalescence of the Joint Integrated Probabilistic Data Association (JIPDA), a modified version of JIPDA is proposed by modelling targets as Random Finite Set (RFS). The JIPDA first generates the original Probability Density Functio...
2017, 39(10): 2354-2359.
doi: 10.11999/JEIT170177
Abstract:
Polarization calibration is an important prerequisite for practical application such as target detection, classification recognition and quantitative inversion. The attitude variance of carrier platform can cause variance of polarization orientation ...
Polarization calibration is an important prerequisite for practical application such as target detection, classification recognition and quantitative inversion. The attitude variance of carrier platform can cause variance of polarization orientation ...
2017, 39(10): 2360-2365.
doi: 10.11999/JEIT170163
Abstract:
Accurate micro-motion characteristics analysis is an important technique to extract the geometrical characteristics of ballistic targets. In this paper, a multi-frequency Chirp sparse decomposition method for time- frequency analysis of micro-motion ...
Accurate micro-motion characteristics analysis is an important technique to extract the geometrical characteristics of ballistic targets. In this paper, a multi-frequency Chirp sparse decomposition method for time- frequency analysis of micro-motion ...
2017, 39(10): 2366-2373.
doi: 10.11999/JEIT161303
Abstract:
This paper focuses on Two-Dimensional (2D) geometric feature inversion method of midcourse targets, serving for the target recognition problem of ballistic missile defense system. Based on the figuration characteristic of midcourse targets, the regul...
This paper focuses on Two-Dimensional (2D) geometric feature inversion method of midcourse targets, serving for the target recognition problem of ballistic missile defense system. Based on the figuration characteristic of midcourse targets, the regul...
2017, 39(10): 2374-2381.
doi: 10.11999/JEIT161393
Abstract:
The conventional Compressed Sensing (CS) based remote sensing image fusion algorithm does not consider the correlation between the source images. In this paper, a novel Distributed CS (DCS) based remote sensing image fusion algorithm is proposed to a...
The conventional Compressed Sensing (CS) based remote sensing image fusion algorithm does not consider the correlation between the source images. In this paper, a novel Distributed CS (DCS) based remote sensing image fusion algorithm is proposed to a...
2017, 39(10): 2382-2389.
doi: 10.11999/JEIT170043
Abstract:
Considering the distribution characteristic of the matching points of non-collinear multiple Charge- Coupled Device (CCD) remote sensing images, a new method based on clustering to eliminate the mismatching points is proposed. First, the multi-dimens...
Considering the distribution characteristic of the matching points of non-collinear multiple Charge- Coupled Device (CCD) remote sensing images, a new method based on clustering to eliminate the mismatching points is proposed. First, the multi-dimens...
2017, 39(10): 2390-2396.
doi: 10.11999/JEIT170099
Abstract:
Due to the application requirement of adaptive-adaptive dimension reduction method in large-scale passive sonar array, a blind separation adaptive-adaptive beamforming algorithm is presented, which combines the Independent Component Analysis (ICA) wi...
Due to the application requirement of adaptive-adaptive dimension reduction method in large-scale passive sonar array, a blind separation adaptive-adaptive beamforming algorithm is presented, which combines the Independent Component Analysis (ICA) wi...
2017, 39(10): 2397-2403.
doi: 10.11999/JEIT170088
Abstract:
Under the condition of working in sun-synchronous orbit, the error correction strategy is put forward due to the error caused by the communication error. According to the complementary error characteristics between satellite clock and local clock, a ...
Under the condition of working in sun-synchronous orbit, the error correction strategy is put forward due to the error caused by the communication error. According to the complementary error characteristics between satellite clock and local clock, a ...
2017, 39(10): 2404-2412.
doi: 10.11999/JEIT170059
Abstract:
An efficient approach based on Just Noticeable Difference (JND) model is proposed to solve the seamline problem caused by illuminate difference. The seamline optimization method operates via a three-stage approach. In the first stage, the image is tr...
An efficient approach based on Just Noticeable Difference (JND) model is proposed to solve the seamline problem caused by illuminate difference. The seamline optimization method operates via a three-stage approach. In the first stage, the image is tr...
2017, 39(10): 2413-2420.
doi: 10.11999/JEIT161397
Abstract:
Currently, FH signal parameter estimation methods based on compressed sensing are mostly under the assumption of Gaussian noise background. In non-Gaussianstable distribution noise conditions, the algorithms based on Gaussian noise model suffer undes...
Currently, FH signal parameter estimation methods based on compressed sensing are mostly under the assumption of Gaussian noise background. In non-Gaussianstable distribution noise conditions, the algorithms based on Gaussian noise model suffer undes...
2017, 39(10): 2421-2427.
doi: 10.11999/JEIT170024
Abstract:
The Root MUltiple SIgnal Classification (Root-MUSIC) algorithm uses polynomial rooting instead of spectral search to reduce the computational complexity of Direction-Of-Arrival (DOA) estimation. However, when large numbers of sensors are exploited, t...
The Root MUltiple SIgnal Classification (Root-MUSIC) algorithm uses polynomial rooting instead of spectral search to reduce the computational complexity of Direction-Of-Arrival (DOA) estimation. However, when large numbers of sensors are exploited, t...
2017, 39(10): 2428-2436.
doi: 10.11999/JEIT170193
Abstract:
The TL1 norm is applied to propose a new optimization model for the study of subspace clustering. Although the optimization is nonconvex, in the case of non-noise, it proves that the optimal solution of the proposed model is the coefficient matrix wi...
The TL1 norm is applied to propose a new optimization model for the study of subspace clustering. Although the optimization is nonconvex, in the case of non-noise, it proves that the optimal solution of the proposed model is the coefficient matrix wi...
2017, 39(10): 2437-2441.
doi: 10.11999/JEIT170003
Abstract:
To solve the large amount of computation, time-consuming problems of the FDK reconstruction algorithm for cone beam CT reconstruction, and different resolutions for different application environments of 3D medical image, this paper proposes a fast re...
To solve the large amount of computation, time-consuming problems of the FDK reconstruction algorithm for cone beam CT reconstruction, and different resolutions for different application environments of 3D medical image, this paper proposes a fast re...
2017, 39(10): 2442-2448.
doi: 10.11999/JEIT161365
Abstract:
A class of mutually orthogonal binary Zero Correlation Zone (ZCZ) sequence sets are constructed. Based on binary orthogonal matrices, numbers of mutually orthogonal aperiodic complementary sequence sets are constructed at first, then mutually orthogo...
A class of mutually orthogonal binary Zero Correlation Zone (ZCZ) sequence sets are constructed. Based on binary orthogonal matrices, numbers of mutually orthogonal aperiodic complementary sequence sets are constructed at first, then mutually orthogo...
2017, 39(10): 2449-2455.
doi: 10.11999/JEIT170051
Abstract:
In the high-speed mobile communication system such as the radar, due to time delay and Doppler shift in the transmission process, it is needed to analyze Time-Frequency (TF) two-dimensional (2-D) Hamming correlation of the Frequency Hopping Sequence ...
In the high-speed mobile communication system such as the radar, due to time delay and Doppler shift in the transmission process, it is needed to analyze Time-Frequency (TF) two-dimensional (2-D) Hamming correlation of the Frequency Hopping Sequence ...
2017, 39(10): 2456-2463.
doi: 10.11999/JEIT161376
Abstract:
Due to the characteristics of random, dynamic, and complex arrangement of dense heterogeneous cellular network nodes, the secrecy performance of the system is more seriously affected by the non-ideal channel estimation in the actual communication sce...
Due to the characteristics of random, dynamic, and complex arrangement of dense heterogeneous cellular network nodes, the secrecy performance of the system is more seriously affected by the non-ideal channel estimation in the actual communication sce...
2017, 39(10): 2464-2471.
doi: 10.11999/JEIT161359
Abstract:
In mobile relay-aided Device-to-Device (D2D) communication, the co-channel interference between D2D links and the existing links is inevitable due to spectral reuse. Besides, considering the limited battery lifetime of mobile terminals, a joint Power...
In mobile relay-aided Device-to-Device (D2D) communication, the co-channel interference between D2D links and the existing links is inevitable due to spectral reuse. Besides, considering the limited battery lifetime of mobile terminals, a joint Power...
2017, 39(10): 2472-2478.
doi: 10.11999/JEIT161374
Abstract:
In order to address the problems of the low Spectrum Utilization (SU) and the high Bandwidth Blocking Probability (BBP), a survivable Multipath strategy based on Sharing Degree of protection bandwidth and Spectrum Availability-Aware (M-SDSAA) is prop...
In order to address the problems of the low Spectrum Utilization (SU) and the high Bandwidth Blocking Probability (BBP), a survivable Multipath strategy based on Sharing Degree of protection bandwidth and Spectrum Availability-Aware (M-SDSAA) is prop...
2017, 39(10): 2479-2486.
doi: 10.11999/JEIT170049
Abstract:
SPECK is a family of lightweight block ciphers proposed in 2013 by researches from National Security Agency (NSA) of USA. The algorithm adopts a modified Feistel construction that applies a combination of addition, rotation and XORing (the so-called ...
SPECK is a family of lightweight block ciphers proposed in 2013 by researches from National Security Agency (NSA) of USA. The algorithm adopts a modified Feistel construction that applies a combination of addition, rotation and XORing (the so-called ...
2017, 39(10): 2487-2494.
doi: 10.11999/JEIT161380
Abstract:
To overcome the common problem of low flexibility and much resource in Elliptic Curve Cryptographic (ECC) processor, a quantitative evaluation on Area-Time product (AT) for parallel processing architecture of ECC processor is proposed by statistics a...
To overcome the common problem of low flexibility and much resource in Elliptic Curve Cryptographic (ECC) processor, a quantitative evaluation on Area-Time product (AT) for parallel processing architecture of ECC processor is proposed by statistics a...
2017, 39(10): 2495-2503.
doi: 10.11999/JEIT161362
Abstract:
Brain-Computer Interface (BCI) are expected to play a major role in field of medical-health monitoring in near future. Unfortunately, an increasing number of attacks to BCI applications underline the existence of security and privacy related issues, ...
Brain-Computer Interface (BCI) are expected to play a major role in field of medical-health monitoring in near future. Unfortunately, an increasing number of attacks to BCI applications underline the existence of security and privacy related issues, ...
2017, 39(10): 2504-2512.
doi: 10.11999/JEIT161310
Abstract:
Predicting program popularity is a key issue for design and optimization of Internet TV system. Existing prediction methods usually need large quantity of samples and long training time, while the prediction accuracy is poor for the burst hot program...
Predicting program popularity is a key issue for design and optimization of Internet TV system. Existing prediction methods usually need large quantity of samples and long training time, while the prediction accuracy is poor for the burst hot program...
2017, 39(10): 2513-2519.
doi: 10.11999/JEIT161379
Abstract:
Traditional Compressive Sensing (CS)-based localization methods assume all targets fall on a pre- sampled and fixed grid. There will be mismatch between the adopted and actual sparsifying dictionaries when some targets fall off the grid, leading thes...
Traditional Compressive Sensing (CS)-based localization methods assume all targets fall on a pre- sampled and fixed grid. There will be mismatch between the adopted and actual sparsifying dictionaries when some targets fall off the grid, leading thes...
2017, 39(10): 2520-2525.
doi: 10.11999/JEIT170191
Abstract:
A novel C-element connect method is proposed. The gate of P-type/N-type transistor is modified from the top/bottom of conventional C-element to connect to output, which takes advantage of the transistor,s own feedback mechanism to form a feedback pat...
A novel C-element connect method is proposed. The gate of P-type/N-type transistor is modified from the top/bottom of conventional C-element to connect to output, which takes advantage of the transistor,s own feedback mechanism to form a feedback pat...
2017, 39(10): 2526-2530.
doi: 10.11999/JEIT161337
Abstract:
In the missile borne subaperture SAR mode, the complicate motion of the platform and the strong coupling between range and azimuth present substantial difficulty for echo data processing. To solve this problem, the range migration characteristics of ...
In the missile borne subaperture SAR mode, the complicate motion of the platform and the strong coupling between range and azimuth present substantial difficulty for echo data processing. To solve this problem, the range migration characteristics of ...
2017, 39(10): 2531-2535.
doi: 10.11999/JEIT170028
Abstract:
For a classical architecture consisting of a digital channelized receiver followed by frequency measurement using phase difference, the existing precision equation of frequency measurement does not consider the impact of waveform complex envelop on m...
For a classical architecture consisting of a digital channelized receiver followed by frequency measurement using phase difference, the existing precision equation of frequency measurement does not consider the impact of waveform complex envelop on m...
2017, 39(10): 2536-2540.
doi: 10.11999/JEIT161399
Abstract:
MFSK signal is widely used in military and civil communication systems. For the issues of its modulation parameters estimation, wavelet transform theory is mostly adopted in current algorithms. However, the anti-noise performance is poor and paramete...
MFSK signal is widely used in military and civil communication systems. For the issues of its modulation parameters estimation, wavelet transform theory is mostly adopted in current algorithms. However, the anti-noise performance is poor and paramete...
