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2015 Vol. 37, No. 1
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2015, 37(1): 1-8.
doi: 10.11999/JEIT140315
Abstract:
Traditional frequency agility ISAR imaging method suffers from high sidelobe and low resolution. To improve the resolution, by exploiting the sparsity of targets in the received echo, this paper uses the sparse Bayesian algorithm, namely Expansion-Co...
Traditional frequency agility ISAR imaging method suffers from high sidelobe and low resolution. To improve the resolution, by exploiting the sparsity of targets in the received echo, this paper uses the sparse Bayesian algorithm, namely Expansion-Co...
2015, 37(1): 9-14.
doi: 10.11999/JEIT140202
Abstract:
For distributed aperture coherent radar with cooperative architecture and pulse trains, the signal mode in fully coherent work mode is proposed firstly. Then the analysis formula of output Signal-to-Noise Ratio gain (oSNRg) is derived, and the perfor...
For distributed aperture coherent radar with cooperative architecture and pulse trains, the signal mode in fully coherent work mode is proposed firstly. Then the analysis formula of output Signal-to-Noise Ratio gain (oSNRg) is derived, and the perfor...
2015, 37(1): 15-21.
doi: 10.11999/JEIT140290
Abstract:
Concerned with the influence of multipath, this paper proposes a spatially differencing smoothing technique for the low-elevation estimation in the bistatic MIMO radar under the spatially colored noise. Firstly, the multipath environment for a low-el...
Concerned with the influence of multipath, this paper proposes a spatially differencing smoothing technique for the low-elevation estimation in the bistatic MIMO radar under the spatially colored noise. Firstly, the multipath environment for a low-el...
2015, 37(1): 22-28.
doi: 10.11999/JEIT140550
Abstract:
The model-based target decomposition is one of the most fundamental applications to the polarimetry SAR. However, it can only retrieve the power information of three scattering mechanisms with polarimetric SAR data. By applying this model-based decom...
The model-based target decomposition is one of the most fundamental applications to the polarimetry SAR. However, it can only retrieve the power information of three scattering mechanisms with polarimetric SAR data. By applying this model-based decom...
2015, 37(1): 29-36.
doi: 10.11999/JEIT140129
Abstract:
In target recognition community, when dealing with large-scale and complex distributed data, it is very expensive to train a classifier using all input data and the underlying structure of the data is ignored. To overcome these limitations, the Mixtu...
In target recognition community, when dealing with large-scale and complex distributed data, it is very expensive to train a classifier using all input data and the underlying structure of the data is ignored. To overcome these limitations, the Mixtu...
2015, 37(1): 37-42.
doi: 10.11999/JEIT140314
Abstract:
Due to the disadvantages of a traditional GPS receiver in the environment of weak signal are that slow convergence rate and serious tracking error, a GPS signal tracking algorithm is proposed, in which the coherent integration of I/Q branch is consid...
Due to the disadvantages of a traditional GPS receiver in the environment of weak signal are that slow convergence rate and serious tracking error, a GPS signal tracking algorithm is proposed, in which the coherent integration of I/Q branch is consid...
2015, 37(1): 43-49.
doi: 10.11999/JEIT140238
Abstract:
In order to meet the needs of high speed and real-time, all-weather, high-precision and large-scale ranging, the method of continuous microwave radar with amplitude modulation is proposed. Based on the analysis of the characteristics of the main micr...
In order to meet the needs of high speed and real-time, all-weather, high-precision and large-scale ranging, the method of continuous microwave radar with amplitude modulation is proposed. Based on the analysis of the characteristics of the main micr...
2015, 37(1): 50-55.
doi: 10.11999/JEIT140244
Abstract:
The topology information of the targets observed by sensors can be used to solve the track association problem under the condition of systematic bias. However, the traditional algorithms dont make full use of track information and are not fit for the...
The topology information of the targets observed by sensors can be used to solve the track association problem under the condition of systematic bias. However, the traditional algorithms dont make full use of track information and are not fit for the...
2015, 37(1): 56-62.
doi: 10.11999/JEIT140230
Abstract:
For multi-target tracking in heavily cluttered environment, the number of measurement-to-track association hypotheses in each scan grows rapidly in traditional Centralized Multi-Sensor Multiple Hypothesis Tracking (CMS-MHT) method, which leads that t...
For multi-target tracking in heavily cluttered environment, the number of measurement-to-track association hypotheses in each scan grows rapidly in traditional Centralized Multi-Sensor Multiple Hypothesis Tracking (CMS-MHT) method, which leads that t...
2015, 37(1): 63-70.
doi: 10.11999/JEIT140143
Abstract:
In order to reserve ship targets and reduce sea clutters as the false alarms from the SAR Regions Of Interest (ROI) chips, a ship discrimination feature named Target Pixel Aggregative Measure (TPAM) is proposed in this paper. Benefited from the techn...
In order to reserve ship targets and reduce sea clutters as the false alarms from the SAR Regions Of Interest (ROI) chips, a ship discrimination feature named Target Pixel Aggregative Measure (TPAM) is proposed in this paper. Benefited from the techn...
2015, 37(1): 71-77.
doi: 10.11999/JEIT140121
Abstract:
From the SAR imaging model, combining the scattering center theory, this paper estimates scattering centers of high resolution image from the low resolution image under the conditions of sparse. The Region Of Interesting (ROI) can be reconstructed by...
From the SAR imaging model, combining the scattering center theory, this paper estimates scattering centers of high resolution image from the low resolution image under the conditions of sparse. The Region Of Interesting (ROI) can be reconstructed by...
2015, 37(1): 78-84.
doi: 10.11999/JEIT140214
Abstract:
How to reduce the storage and transmission cost of mass hyperspectral data is concerned with growing interest. This paper proposes a hyperspectral data compression algorithm using sparse representation. First, a training sample set is constructed wit...
How to reduce the storage and transmission cost of mass hyperspectral data is concerned with growing interest. This paper proposes a hyperspectral data compression algorithm using sparse representation. First, a training sample set is constructed wit...
2015, 37(1): 85-90.
doi: 10.11999/JEIT140313
Abstract:
A novel Time Differences Of Arrival (TDOA) localization algorithm based on linear-correction is proposed to address the nonlinear problem of TDOA positioning. Firstly, the proposed algorithm reformulates the highly nonlinear TDOA equations into a set...
A novel Time Differences Of Arrival (TDOA) localization algorithm based on linear-correction is proposed to address the nonlinear problem of TDOA positioning. Firstly, the proposed algorithm reformulates the highly nonlinear TDOA equations into a set...
2015, 37(1): 91-96.
doi: 10.11999/JEIT140281
Abstract:
NYquist Folding Receiver (NYFR) is a novel ultra-wideband receiver structure, which can sample a large range wideband signal by using a single ADC. The Synchronous NYquist Folding Receiver (SNYFR) is an improved structure of NYFR. In this paper, a ne...
NYquist Folding Receiver (NYFR) is a novel ultra-wideband receiver structure, which can sample a large range wideband signal by using a single ADC. The Synchronous NYquist Folding Receiver (SNYFR) is an improved structure of NYFR. In this paper, a ne...
2015, 37(1): 97-102.
doi: 10.11999/JEIT140169
Abstract:
From a Bayesian perspective, the commonly used sparse recovery algorithms, including Sparse Bayesian Learning (SBL), Regularized FOCUSS (R_FOCUSS) and Log-Sum, are compared. The analysis shows that, as a special case of latent variable Bayesian model...
From a Bayesian perspective, the commonly used sparse recovery algorithms, including Sparse Bayesian Learning (SBL), Regularized FOCUSS (R_FOCUSS) and Log-Sum, are compared. The analysis shows that, as a special case of latent variable Bayesian model...
2015, 37(1): 103-109.
doi: 10.11999/JEIT140140
Abstract:
Weak signal detection and high SNR seismic image generation are primary tasks in detailed sub-bottom profile detection. After analyzing the principle of deconvolution based on Fractional Fourier Transform (FrFT) and deriving the formula of time dimen...
Weak signal detection and high SNR seismic image generation are primary tasks in detailed sub-bottom profile detection. After analyzing the principle of deconvolution based on Fractional Fourier Transform (FrFT) and deriving the formula of time dimen...
2015, 37(1): 110-115.
doi: 10.11999/JEIT140329
Abstract:
For modeling and solving problems of complex nonlinear systems whose input/output have uncertainty and are associated with time or process, a cloud process neural network model is built in the paper. It has uncertainty information processing ability ...
For modeling and solving problems of complex nonlinear systems whose input/output have uncertainty and are associated with time or process, a cloud process neural network model is built in the paper. It has uncertainty information processing ability ...
2015, 37(1): 116-122.
doi: 10.11999/JEIT140218
Abstract:
Considering the limitation of the well-known multiple model formulation of the Random Finite Set (RFS) that the statistics characteristic of clutter is assumed to be known a priori, this paper proposes a new multiple maneuvering target tracking algor...
Considering the limitation of the well-known multiple model formulation of the Random Finite Set (RFS) that the statistics characteristic of clutter is assumed to be known a priori, this paper proposes a new multiple maneuvering target tracking algor...
2015, 37(1): 123-129.
doi: 10.11999/JEIT140053
Abstract:
Many measures, e.g., Maximal Information Coefficient (MIC), are presented to identify interesting correlations for pairs of variables, but few for triplets or even for higher dimension variable set. Based on that, the Maximal Information Entropy (MIE...
Many measures, e.g., Maximal Information Coefficient (MIC), are presented to identify interesting correlations for pairs of variables, but few for triplets or even for higher dimension variable set. Based on that, the Maximal Information Entropy (MIE...
2015, 37(1): 130-136.
doi: 10.11999/JEIT140119
Abstract:
In the field of saliency detection, background prior has become a novel viewpoint, but how to identify the real background is challenging. In this paper, a background-identified method is proposed based on homology continuity using the extracted back...
In the field of saliency detection, background prior has become a novel viewpoint, but how to identify the real background is challenging. In this paper, a background-identified method is proposed based on homology continuity using the extracted back...
2015, 37(1): 137-142.
doi: 10.11999/JEIT140197
Abstract:
Most of the existing Independent Component Analysis (ICA) based motion detection algorithms use a single observation vector generation method and two-channel data for motion detection, which make the traditional algorithms unable to obtain a more com...
Most of the existing Independent Component Analysis (ICA) based motion detection algorithms use a single observation vector generation method and two-channel data for motion detection, which make the traditional algorithms unable to obtain a more com...
2015, 37(1): 143-149.
doi: 10.11999/JEIT140262
Abstract:
The current mainstream intelligent Fuzzing often constructs new test samples through precise analysis of the programs internal structure, which is heavily dependent on the performance of the computer and often overlooks the guiding significance of th...
The current mainstream intelligent Fuzzing often constructs new test samples through precise analysis of the programs internal structure, which is heavily dependent on the performance of the computer and often overlooks the guiding significance of th...
2015, 37(1): 150-157.
doi: 10.11999/JEIT140091
Abstract:
Traditional encryption schemes are largely based on the two stepsconfusion and diffusion proposed by Shannon. It is proved by experiments that encryption designed on bit level is more efficient. An encryption scheme based on DNA coding, codon groupin...
Traditional encryption schemes are largely based on the two stepsconfusion and diffusion proposed by Shannon. It is proved by experiments that encryption designed on bit level is more efficient. An encryption scheme based on DNA coding, codon groupin...
2015, 37(1): 158-162.
doi: 10.11999/JEIT140326
Abstract:
In a typical cognitive wireless network, multiple secondary users compete to rent for the sub-bands in the authorized spectrum of primary users to transfer data. This paper focuses on simultaneously maximizing the payoff of both primary users and sec...
In a typical cognitive wireless network, multiple secondary users compete to rent for the sub-bands in the authorized spectrum of primary users to transfer data. This paper focuses on simultaneously maximizing the payoff of both primary users and sec...
2015, 37(1): 163-168.
doi: 10.11999/JEIT140141
Abstract:
The outage probability of a dual-hop MIMO Amplify-and-Forward (AF) relay network with beamforming technique is investigated, where the source, relay and destination are all equipped with multiple antennas. By supposing that the Maximal-Ratio-Transmis...
The outage probability of a dual-hop MIMO Amplify-and-Forward (AF) relay network with beamforming technique is investigated, where the source, relay and destination are all equipped with multiple antennas. By supposing that the Maximal-Ratio-Transmis...
2015, 37(1): 169-174.
doi: 10.11999/JEIT140247
Abstract:
In order to improve the reconstruction accuracy of smoothed l0-norm (Sl0) algorithm in the presence of noise, a modified algorithm named smoothed l0-norm regularized least-square (l2-Sl0) is proposed in this paper, which permits a small perturbation....
In order to improve the reconstruction accuracy of smoothed l0-norm (Sl0) algorithm in the presence of noise, a modified algorithm named smoothed l0-norm regularized least-square (l2-Sl0) is proposed in this paper, which permits a small perturbation....
2015, 37(1): 175-181.
doi: 10.11999/JEIT140001
Abstract:
Traditional Soft Frequency Reuse (SFR) can not adapt to dynamic traffic distribution in Long Term Evolution (LTE) systems, leading to imbalanced spectral efficiency in cell center and edge area. In order to solve this problem, this paper proposes a D...
Traditional Soft Frequency Reuse (SFR) can not adapt to dynamic traffic distribution in Long Term Evolution (LTE) systems, leading to imbalanced spectral efficiency in cell center and edge area. In order to solve this problem, this paper proposes a D...
2015, 37(1): 182-187.
doi: 10.11999/JEIT140267
Abstract:
The design of soft-input soft-output Frequency Domain Equalizer (FDE) is explored by using message passing methods for MIMO Single Carrier-Cyclic Prefix (SC-CP) systems. A novel low-complexity MIMO Turbo frequency domain equalization scheme is propos...
The design of soft-input soft-output Frequency Domain Equalizer (FDE) is explored by using message passing methods for MIMO Single Carrier-Cyclic Prefix (SC-CP) systems. A novel low-complexity MIMO Turbo frequency domain equalization scheme is propos...
2015, 37(1): 188-192.
doi: 10.11999/JEIT140089
Abstract:
Using multiple transmit antennas to guarantee the information security is one of the common methods in the field of physical layer security communication. However, this method leads to the transmit signal with the drawback of high Peak-to-Average Pow...
Using multiple transmit antennas to guarantee the information security is one of the common methods in the field of physical layer security communication. However, this method leads to the transmit signal with the drawback of high Peak-to-Average Pow...
2015, 37(1): 193-199.
doi: 10.11999/JEIT140309
Abstract:
In wireless networks, when using traditional game studying physical layer security, the energy-limited transmission nodes tend to choose a non-cooperative strategy in order to maximize their own secrecy rate, resulting in reduced network secrecy rate...
In wireless networks, when using traditional game studying physical layer security, the energy-limited transmission nodes tend to choose a non-cooperative strategy in order to maximize their own secrecy rate, resulting in reduced network secrecy rate...
2015, 37(1): 200-205.
doi: 10.11999/JEIT140175
Abstract:
According to the data spatial correlation of Wireless Sensor Networks (WSNs), this study proposes a clustering mechanism based on the data gradient. In the proposed clustering mechanism, the cluster head nodes maintain Auto Regressive (AR) prediction...
According to the data spatial correlation of Wireless Sensor Networks (WSNs), this study proposes a clustering mechanism based on the data gradient. In the proposed clustering mechanism, the cluster head nodes maintain Auto Regressive (AR) prediction...
2015, 37(1): 206-213.
doi: 10.11999/JEIT140104
Abstract:
Discrete Cosine Transform (DCT) plays an important role in the codec process of video signals, and has a significant influence on the compression efficiency and quality. In this paper, a Coarse-Grained Reconfigurable Array (CGRA) based hardware archi...
Discrete Cosine Transform (DCT) plays an important role in the codec process of video signals, and has a significant influence on the compression efficiency and quality. In this paper, a Coarse-Grained Reconfigurable Array (CGRA) based hardware archi...
2015, 37(1): 214-219.
doi: 10.11999/JEIT140210
Abstract:
Based on the sub-cell Finite-Difference Time-Domain (FDTD) method, an equivalent field-to-line coupling numerical model for transmission line common-mode electromagnetic leakage is provided to calculate the inductive coupling and capacitive coupling ...
Based on the sub-cell Finite-Difference Time-Domain (FDTD) method, an equivalent field-to-line coupling numerical model for transmission line common-mode electromagnetic leakage is provided to calculate the inductive coupling and capacitive coupling ...
2015, 37(1): 220-225.
doi: 10.11999/JEIT140192
Abstract:
The highly nonlinearity and non-uniqueness of the geoelectric model constrain the application of simulated annealing method in the Time-domain ElectroMagnetic (TEM) explorations. A simulating annealing inversion method is presented to get the geoelec...
The highly nonlinearity and non-uniqueness of the geoelectric model constrain the application of simulated annealing method in the Time-domain ElectroMagnetic (TEM) explorations. A simulating annealing inversion method is presented to get the geoelec...
2015, 37(1): 236-240.
doi: 10.11999/JEIT140127
Abstract:
A basic premise for Modulated Wideband Converter (MWC) applying to spectrum sensing is that the signal spectrum is sparse. Otherwise, the reconstruction result will be incorrect. A method of judging whether the reconstruction is successful is propose...
A basic premise for Modulated Wideband Converter (MWC) applying to spectrum sensing is that the signal spectrum is sparse. Otherwise, the reconstruction result will be incorrect. A method of judging whether the reconstruction is successful is propose...
2015, 37(1): 226-235.
doi: 10.11999/JEIT141156
Abstract:
Since the birth of the high-speed railway, it is growing with the mobile communication demand of train to wayside. One part of traffic load demand is from the train control and train dispatching, which is an important part of the high-speed railway. ...
Since the birth of the high-speed railway, it is growing with the mobile communication demand of train to wayside. One part of traffic load demand is from the train control and train dispatching, which is an important part of the high-speed railway. ...
