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| 1 | Key parameter estimation for radar rotating object imaging with multi-aspect observations显示文摘Rotating object model is commonly used for imaging analysis in high resolution radars such as the inverse synthetic aperture radar (ISAR). For a rotating object, it is known that multi-aspect observations can improve cross-range resolution with the known imaging geometry. For the non-cooperative rotating object with unknown imaging geometry, this paper proposes an integrated scheme to estimate the key parameters, e.g., the rotating velocity and the aspect angle difference between every two observations. Furthermore, convolution back-projection (CBP) method is applied to provide fused imaging result with improved resolution. Also, the accuracy of the ultimate parameter estimation is analyzed, which is strongly related with several important factors like position extraction error of scattering centers and so on. Finally, the results of numerical experiments are provided to demonstrate the effectiveness of the proposed method. | YE ChunMao, XU Jia , PENG YingNing & WANG XiuTan Department of Electronic Engineering, Tsinghua University, Beijing 100084, China | 2010 | Science China(Information Sciences)2010，53，8： | 12 |
| 2 | On detection performance and system configuration of MIMO radar显示文摘Multiple-input multiple-output (MIMO) radar is a new concept with some new characteristics,such as multiple orthogonal waveforms and omnidirectional coverage. Based on Stein's lemma,we use relative entropy as a precise and general measure of error exponent to study detection performance for both MIMO radar and phased array radar. And based on derived analytical results,we further study the system configuration problem of Bistatic MIMO radar systems,where transmitters and receivers are located in different positions. Some interesting results are presented. For phased array radar,when the total numbers of transmitters and receivers are fixed,we should always make the number of transmitters equal to the number of receivers. For MIMO radar,we should use a small number of transmitters in low signal noise ratio (SNR) region,and make the number of transmitters equal to the number of receivers in high SNR region. These results are instructive for deployment of bistatic MIMO radar systems in the future. | TANG Jun WU Yong PENG YingNing WANG XiuTan | 2009 | Science in China(Series F)2009，52，7： | 7 |
| 3 | A new approach to dual-band polarimetric radar remote sensing image classification显示文摘It is very important to efficiently represent the target scattering characteristics in applications of polarimetric radar remote sensing. Three probability mass functions are introduced in this paper for target representation: using similarity parameters to describe target average scattering mechanism, using the eigenvalues of a target coherency matrix to describe target scattering randomness, and using radar received power to describe target scattering intensity. The concept of cross-entropy is employed to measure the difference between two scatterers based on the probability mass functions. Three parts of difference between scatterers are measured separately as the difference of average scattering mechanism, the difference of scattering randomness and the difference of scattering intensity, so that the usage of polarimetric data can be highly efficient and flexible. The supervised/unsupervised image classification schemes and their simplified versions are established based on the minimum cross-entropy principle. They are demonstrated to have better classification performance than the maximum likelihood classifier based on the Wishart distribution assumption, both in supervised and in unsupervised classification. | XU Junyi YANG Jian PENG Yingning | 2005 | Science in China(Series F)2005，48，6： | 7 |
| 4 | Simultaneous range and radial velocity estimation with a single narrowband LFM pulse显示文摘The mismatch effect induced by the radial motion of a target is analyzed for linear frequency modulated(LFM) signals.Then,a novel integrated processing scheme is proposed to resolve the delay-Doppler coupling effect in LFM pulse compression.Therefore the range and radial velocity of the target can be simultaneously estimated with a narrowband LFM pulse.Finally,numerical simulation results demonstrate the effectiveness and good performance of the proposed method. | Chunmao Yeh Jian Yang Xiuming Shan Yingning Peng | 2012 | Journal of Systems Engineering and Electronics2012，23，3： | 6 |
| 5 | MIMO-SAR waveforms separation based on virtual polarization filter显示文摘The unwanted coupling exists inevitably among multiple orthogonal waveforms in a same frequency area for multiple-input and multiple-output synthetic aperture radar(MIMO-SAR). In this paper, a new polarized MIMO-SAR model is established with two transmitting antennas and multiple receiving antennas at first. Then, a virtual polarization filter(VPF) is proposed to separate superposed returns caused by multiple transmitted waveforms based on detection on the polarized parameters via particle swarm optimizer(PSO).Compared with the conventional matched filter to separate the orthogonal waveforms, it is shown that the coupling noises can be significantly suppressed by the proposed VPF-based method and the orthogonality is not necessary among different transmitting waveforms. Finally, experimental data experiments are also provided to demonstrate the effectiveness of the proposed method. | MENG CangZhen XU Jia XIA Xiang-Gen LIU Feng LONG Teng MAO ErKe YANG Jian PENG YingNing | 2015 | Science China(Information Sciences)2015，58，4： | 4 |
| 6 | SPACE-TIME ADAPTIVE PROCESSING FOR AIRBORNE RADAR:A CONVENIENT IMPLEMENTATION APPROACH显示文摘A convenient implementation approach to 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 on the basis of 2-D Capon approach . It is of practical use for its small computational load. This approach possesses the ideal performance in the area of main-lobe clutter . In addition, the approach which is added by some auxiliary beams in the area of main-lobe clutter has also been discussed. | Wang Yongliang Peng Yingning(Dept. of Electronic Engineering, Tsinghua University, Beijing, 100084) | 1996 | Journal of Electronics(China)1996，13，4： | 2 |
| 7 | High Performance Viterbi Decoder on Cell/B.E.显示文摘Viterbi decoding is widely used in many radio systems. Because of the large computation complexity, it is usually implemented with ASIC chips, FPGA chips, or optimized hardware accelerators. With the rapid development of the multicore technology, multicore platforms become a reasonable choice for software radio (SR) systems. The Cell Broadband Engine processor is a state-of-art multi-core processor designed by Sony, Toshiba, and IBM. In this paper, we present a 64-state soft input Viterbi decoder for WiMAX SR Baseband system based on the Cell processor. With one Synergistic Processor Element (SPE) of a Cell Processor running at 3.2GHz, our Viterbi decoder can achieve the throughput up to 30Mb/s to decode the tail-biting convolutional code. The performance demonstrates that the proposed Viterbi decoding implementation is very efficient. Moreover, the Viterbi decoder can be easily integrated to the SR system and can provide a highly integrated SR solution. The optimization methodology in this module design can be extended to other modules on Cell platform. | Lai Junjie Tang Jun Peng Yingning Chen Jianwen | 2009 | China Communications2009，6，2： | 2 |
| 8 | On detection performance of MIMO radar for Rician target显示文摘By using spatial diversity, multiple-input-multiple-output (MIMO) radar can improve detection performance for fluctuating targets. In this paper, we propose a spatial fluctuation target model for MIMO radar, where targets are classified as non-fluctuating target, Rayleigh target and Rician target. Based on Stein’s lemma, we use relative entropy to study detection performance of optimum detector for Rician target. It is found that in low signal noise ratio (SNR) region, the performance improvement of MIMO radar for detecting Rician target depends on array gain, which is related to the number of receivers. In high SNR region, the improvement of performance depends on diversity gain, which is related to the product of the number of receivers and the number of transmitters. The conclusions of this paper are important for designing MIMO radar system. | TANG Jun WU Yong PENG YingNing WANG XiuTan | 2009 | Science in China(Series F)2009，52，8： | 2 |
| 9 | Radon-Fourier trans- form for radar target detection (I) : generalized Doppler fil- ter bank 显示文摘 | Xu Jia Yu Ji Peng Yingning | 2011 | IEEE Transactions on Aerospace and Electron- ic Systems2011，47，2： | 1 |
| 10 | Radon-Fourier trans- form (RFF) for radar target detection (II) : performance a-nalysis and sidelobe suppression显示文摘 | Xu Jia Yu Ji Peng Yingning | 2011 | IEEE Transactions on Aerospace and Electronic Systems2011，47，4： | 1 |
| 11 | Joint estimation of Doppler centroid and rate for SAR with large range migration 显示文摘 | YU Mingcheng XU Jia PENG Yingning | 2007 | Radar Sonar g~ Navigation IET2007，1，3： | 1 |
| 12 | Parametric autofocus of SAR imaging-inherent accuracy limitations and realization 显示文摘 | Jia Xu Yingning Peng Xiang-Gen Xia | 2004 | IEEE Trans Geosci Remote Sensing2004，42，11： | 1 |
| 13 | Radon-Fourier trans- form (RFr) for radar target detection (III) : optimality and fast implementations 显示文摘 | Yu Ji Xu Jia Peng Yingning | 2012 | IEEE Transactions on Aerospace and Electronic Systems2012，48，2： | 1 |
| 14 | Spectral arrangement and other topics in first-order bandpass sampling theory显示文摘 | LIU Jianhua ZHOU Xiyuan PENG Yingning | 2001 | IEEE Transactions on Signal Processing2001，49，： | 1 |
| 15 | Distributed CFAR detector based on local test signal processing 显示文摘 | CUAN Jian HE You PENG Yingning | 2009 | Journal of Elsevier2009，80，2： | 1 |
| 16 | Super-resolution time delay estimation in multipath environments 显示文摘 | Ge FengXiang Shen Dongxu Peng Yingning | 2007 | IEEE Transaction on Circuit and Systems-Ⅰ: Regular Papers2007，54，9： | 1 |
| 17 | SAR PRF- ambiguity resolving by range diversity 显示文摘 | YU Mingcheng XU Jia PENG Yingning | 2005 | Electronics Letters2005，41，22： | 1 |
| 18 | Models and performance evaluation for multiple-input multiple- output space-time adaptive processing radar显示文摘 | Wu Yong Tang Jun Peng Yingning | 2009 | IET Radar Sonar I: Navigation2009，3，6： | 1 |
| 19 | Airborne adaptive MTI scheme with preventing the whitening of the target显示文摘 | HUANG Yong PENG Yingning WANG Xiutan | 1999 | IEEE Aerospace and Electronic Systems Magazine1999，14，7： | 1 |
| 20 | Generalized optimization of polarimetric contrast enhancement 显示文摘 | YANG Jian DONG Guiwei PENG Yingning | 2003 | IEEE Geoscience and Remote Sensing Letters2003，1，3： | 1 |
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