Abstract: Multi-channel SAR can reconstruct the 3-D surface of the observed scene with its resolution power in the elevation. However, with limited baseline length, most methods suffer from limited precision and significant miss rates. In view of this situatio...
Abstract: The numerical calculation of forward scatter Shadow Inverse Synthetic Aperture Radar (SISAR) imaging is usually performed by the Fresnel numerical integral which is complicated and time consuming. To improve the calculation speed, the fast SISAR imag...
Abstract: In order to solve the problem of range side-lobes suppression performance degradation due to error between scatter and sample center of tradition methods, a new adaptive pulse compression algorithm based on Reiterative Linearly Constrained Minimum Va...
Abstract: Most traditional recognition methods for High Resolution Range Profile (HRRP) only utilize the amplitude information and need large number of training samples to obtain better estimation precision of model parameters. To utilize the phase information...
Abstract: In order to solve the problem that the power is transmitted dispersedly in traditional bistatic MIMO radar, a method about the transmit power focus of the bistatic MIMO radar is proposed. Firstly, the mathematic model is constructed based on an effec...
Abstract: Focusing on the range ambiguity of the moving target in airborne radar system, a novel Space-Time Adaptive Processing (STAP) approach based on frequency diverse array configuration is proposed for range ambiguous clutter suppression. In the proposed ...
Abstract: An adaptive Bayesian super-resolution imaging algorithm based on the combined multiple frames data is proposed to enhance the azimuth resolution of airborne single-channel forward-looking radar. The echo of the forward-looking radar in the Gaussian n...
Abstract: Phase diagram is an important method to evaluate sparse microwave imaging radar performance. Phase transition boundary can characterize the trend of accurate recovery rate visibly and clearly in terms of varied SNR, sparsity and sampling ratio. In sp...
Abstract: Sea surface salinity remote sensing is seriously impacted by Radio Frequency Interference (RFI) over coastal areas, detecting RFI sources and analyzing its influence characteristic for developing RFI suppression research in the nearshore areas is of ...
Abstract: In order to prove the inverse windowing algorithm is a complete reconstruction algorithm, the inverse windowing algorithm is analyzed, through the method that the completely different inverse windowing algorithm and overlapping windowing algorithm ar...
Abstract: In order to select the optimal pulsars combination for X-ray Pulsar NAVigation (XPNAV), the influence factors of visibility, quality and space distribution of pulsars are studied. Besides, constraint equations for visibility based on the restrictions...
Abstract: In multiple platform electronic reconnaissance system, Time Difference Of Arrival (TDOA) of the pulse signal received by multiple stations can be used for signal sorting and positioning. However, when multiple emitter signals with similar parameters ...
Abstract: The exiting algorithms for Angle Of Arrival (AOA) estimation of incident signal via phase interferometer may degrade significantly for near-field target. To deal with this issue, a Modified Steering Vector Matching (MSVM) algorithm with the good perf...
Abstract: Computational framework using surrogate functions and prior probability density functions, for smoothed L0 minimization approximation is studied in this paper, for the purpose of improving the recovery performance of non-convex compressed sensing. Fi...
Abstract: Empirical Model Decomposition (EMD) and its improved algorithms are most useful signal processing methods. However, those methods still lack rigorous mathematical theory. This paper attempts to analyze mathematically the reconstruction errors for Ens...
Abstract: Based on the idea that objects in a given image can be segmented by removing the background part, an unconstrained convex minimization problem is proposed. The penalization term added in the construction procedure of the proposed problem is proven to...
Abstract: In order to solve the problems of appearance change, local occlusion and background distraction in the visual tracking, a local patch tracking algorithm based on Fast Fourier Transform(FFT)is proposed. The tracking precision can be improved by establ...
Abstract: Virtual network embedding is a critical issue in network virtualization. To overcome the ignorance of network local topology information in existing literatures, a Virtual Network Embedding (VNE) algorithm based on regional Resource Clustering Index ...
Abstract: Large-scale of wireless sensors are distributed to monitor smart grid equipment and user,s operating status information in smart grid. The original monitoring data are all collected to data processing center. And it brings huge data traffic pressure ...
Abstract: For the problem of larger location error in Distance Vector-Hop (DV-Hop) localization algorithm, a genetic optimization DV-Hop localization algorithm based on error distance weighted and hop algorithm selection is proposed, namely WSGDV-Hop localizat...
Abstract: In the Cognitive Radio Network (CRN) with multiple multi-antenna eavesdroppers, to make the system security rate maximum, secure communication over the physical layer that is subjected to the interference power constraints at the Primary Users (PU) i...
Abstract: WiFi network helps offload the traffic pressure in cellular networks and alleviate its traffic congestion. However, it can merely offload the traffic within its coverage. In view of the mobility of users, if the users beyond WiFi coverage are incenti...
Abstract: A dynamic channel allocation algorithm is proposed to avoid all interference and improve spectrum efficiency in Multimedia Broadcast multicast service Single Frequency Networks (MBSFN). Four electromagnetic compatibility constraint functions are rede...
Abstract: There is often no cellular connection in the basement level of large buildings and in remote unpopulated areas. In this paper, a relay is deployed to extend the wireless coverage of a base station to a target area. Models, analytical results, and alg...
Abstract: In order to improve the efficiency and the reliability of the helicopter guiding in the beacon researching and locate landing, an encoding communication scheme based on unequal level coding Luby Transform (LT) code is proposed. Different communicatio...
Abstract: The Maximum Hamming Correlation (MHC) and the Average Hamming Correlation (AHC) are two important performance measures of the frequency-hopping sequences. Firstly, some properties of generalized cyclotomy are derived from Fermat quotient. Secondly, b...
Abstract: Research on the relay-satellite scheduling problem provides scientific decision-making methods for the task planning of the Tracking and Data Relay Satellite Systems (TDRSS). How to develop a reasonable scheduling model and design the scheduling algo...
Abstract: Most existing rain attenuation prediction models are only tested at 55 GHz. There are small numbers of tested W-band rain attenuation prediction models, but these tested models have issues with high complexity and large quantities of calculations. A ...
Abstract: In order to eliminate the Multiple Access Interference (MAI) and Multipath Interference (MI), and avoid inter-cell interference from adjacent cells in Quasi-Synchronous Code Division Multiple Access (QS-CDMA) system, one class of asymmetric sequences...
Abstract: Based on the theory of generalized cyclotomic, a new class of binaey generalized cyclotomic sequences of order four with period2p2 is established. Using the theory of polynomial factor over finite field, the linear complexity and minimal polynomial o...
Abstract: To slove the problems that Chinese Remainder Theorem (CRT) based threshold RSA signature scheme can not be used to sign some messages and the amount of computation in partial signatures combining phase is large, an improving method is proposed, in wh...
Abstract: Using genetic algorithms to generate test data automatically is becoming a hot topic in recent years, the method on effectively generating data is highly dependent on choosing the proper fitness function and the selecting standard. The genetic algori...
Abstract: With the widely spread of virtualization technology, the security problems of virtual layer have attracted the close attention of domestic and foreign researchers at the same time. Existing virtual machine monitor (or Hypervisor) integrity protection...
Abstract: This paper presents a new 44 millimeter-wave antenna array, which adopts the magneto-electric dipole as the radiating element and a type of coplanar waveguide feed network to excite the array. This design not only provides very wide impedance and gai...
Abstract: A circuit characteristics-driven semi-supervised modelling approach is proposed for FPGA architecture design space exploration. By including circuit characteristics as input, the proposed approach can estimate the performance of specific circuit on c...
Abstract: An adaptive Extended Frequency-Directed Run-length (EFDR) code method for test data compression is presented in this paper. The method is based on EFDR code, and adds an additional parameter N, which is used to represent the code length difference be...
Abstract: MultiSite Radar Systems (MSRS) can significantly improve target localization performance. However, due to the difference of signal-to-noise ratios of separate radar sites, there usually exist some radar sites that have not initiated a target track, h...