A5100712537- Radar Systems and Signal Processing
- Advanced SAR Imaging Techniques
- Radio Wave Propagation Studies
- PAPR reduction in OFDM
- Direction-of-Arrival Estimation Techniques
- Microwave Imaging and Scattering Analysis
- Indoor and Outdoor Localization Technologies
- Electromagnetic Simulation and Numerical Methods
- Advanced Fiber Optic Sensors
- Power System Optimization and Stability
- Video Surveillance and Tracking Methods
- Ocean Waves and Remote Sensing
- Underwater Vehicles and Communication Systems
- Optical Wireless Communication Technologies
- Image Processing Techniques and Applications
- HVDC Systems and Fault Protection
- Hydrocarbon exploration and reservoir analysis
- Microwave Engineering and Waveguides
- Synthetic Aperture Radar (SAR) Applications and Techniques
- Electromagnetic Scattering and Analysis
- Target Tracking and Data Fusion in Sensor Networks
- Semiconductor Lasers and Optical Devices
- Image and Object Detection Techniques
- Geochemistry and Elemental Analysis
- Antenna Design and Optimization
Xidian University
2016-2025
Ministry of Industry and Information Technology
2024
Harbin Engineering University
2017-2024
Shandong First Medical University
2016-2024
Changshu Institute of Technology
2014-2023
Henan Polytechnic University
2022
Huawei Technologies (China)
2017-2022
Huawei Technologies (United Kingdom)
2022
Cadence Design Systems (United States)
2022
South China University of Technology
2021
To improve the effectiveness of limited spectral resources, an adaptive orthogonal frequency division multiplexing integrated radar and communications waveform design method is proposed. First, conditional mutual information (MI) between random target impulse response received signal, data rate (DIR) selective fading channel are formulated. Then, with constraint on total power, optimization problem, which simultaneously considers MI for DIR communications, devised, analytic solution derived....
In the intelligent transportation system, it is an efficient way for vehicle to use integrated radar and communications system (IRCS) obtain range velocity estimations of other vehicles simultaneously communicate with facilities, such as base stations. IRCS, transmitted waveform orthogonal frequency division multiplexing (OFDM) that contains information. Due existence information, traditional estimation methods in can not be directly utilized IRCS. Moreover, improve resolution estimations,...
In the distributed multiple input output (MIMO) system with integrated radar and communication (IRAC) waveform transmitted, synthesized transmit beampattern usually suffers from high sidelobes. To decrease sidelobes of accomplish functions simultaneously in MIMO system, this paper proposes two IRAC design methods. First, to minimize maximal sidelobe beampattern, method low sidelobes, designed can produce desired target direction user direction, respectively. However, may have non-constant...
In multi-input–multi-output (MIMO) dual-function radar–communication (DFRC) systems, the inevitable amplitude–phase errors increase sidelobe of transmit beampattern and distort synthesized waveforms, which degrades both radar communication performance. Due to this, a robust low-sidelobe MIMO DFRC waveform design method is proposed. Firstly, signal model based on uncertainty sets established. The problem then formulated. this problem, minimized with constraints mutual interference desired...
Orthogonal frequency division multiplexing (OFDM)waveform enables radar and communication functions simultaneously, which encounters low angle resolution poor data rate for traditional single input output (SISO) systems.To solve these problems, an integrated system (IRCS) with multiple (MIMO) OFDM waveform is proposed.The different limitations of in designing such a are investigated.Then, optimization problem devised to obtain suitable parameters, including the number subcarriers, subcarrier...
To achieve the integration of radar and communication in waveform, we design an integrated system combining multi-input multi-output (MIMO) with orthogonal frequency division multiplexing (OFDM) communication. In system, each antenna transmits waveform different sub-frequency bands. The is a variation traditional OFDM waveform. completely utilize array aperture entire signal bandwidth, range angle estimation method proposed. First, high resolution performed, then obtained. Theoretical...
A novel, to the best of our knowledge, liquid crystal (LC) biosensor, based on an optical fiber Mach-Zehnder interferometer (MZI), is proposed. The proposed MZI consists two single-mode fibers and a tapered photonic (PCF). PCF coated with 4'-pentyl-biphenyl-4-carboxylic acid (PBA)-doped 4-cyano-4'-pentylbiphenyl (5CB). Being pH-sensitive material, PBA can manipulate LC molecules different orientations according their pH values. When orientation changes varying pH, effective refractive index...
As a result of the influence indoor multipath effects, visible light positioning (VLP) technology based on received signal strength (RSS) has difficulty providing stable and highly accurate position estimation. In order to cope with this challenge, trilateration-based method using channel state information (CSI) is proposed. Two algorithms that can estimate number paths are studied, which prerequisites for obtaining an ratio power line-of-sight (LOS) path total power. Unlike traditional...
We illustrate that the phase-only liquid crystal spatial light modulator (LC SLM) can be used for optical testing. The large phase change and modulation precision are discussed. computer generated holograms (CGH) method is to acquire significant modulation. And modulating characteristics of LC SLM measured. It shows depth more than 2pi down 1/14lambda (PV) 1/100lambda (rms) (lambda=632.8nm). In order verify this method, former surface a convex lens tested by ZYGO interferometer. parallel...
The joint radar and communications (JRC) waveform often has a high range sidelobe, which will degrade the target detection performance of an automotive JRC system. To solve this problem, complementary group (JRC-CWG) design method is proposed in paper by exploiting philosophy sequence. In JRC-CWG, traditional unimodular waveforms, such as binary phase shift keying (BPSK) waveform, are used to perform function. sum autocorrelation function (SACF) JRC-CWG optimized minimize sidelobe level....
Vehicular location information plays a crucial role in intelligent transportation systems. A particular focus is on developing an internet of things (IoT)-based sensing system for smart roads to enable high-precision vehicle localization that does not rely global navigation satellite (GNSS) and improve traffic safety efficiency. As passive low-power IoT technology, radio frequency identification (RFID) has been proposed as alternative approach GNSS-denied scenarios. However, limited by the...
Moving target shadows are being increasingly used in video synthetic aperture radar (video SAR) for moving tracking. However, frequently disappear and appear caused by factors such as background occlusion motion cessation. Most existing shadow-based tracking methods inadequate handling the aforementioned situation, particularly when confronted with prolonged disappearance of shadows, which leads to a significant deterioration performance. To solve problem, we proposed dual-mode framework...
Mucin 1 (MUC1) is a tumor antigen, and the most important epitopes that can induce cytotoxic T lymphocytes (CTL) reside in variable-number tandem repeats (VNTR). Heat shock protein (HSP) complexes isolated from tumors have been shown to specific anti-tumor immunity. HSP alone also nonspecific To explore possibility utilize immunity induced by MUC1 VNTR HSP, we constructed recombinant (HSP65-MUC1) fusing Bacillus Calmette-Guérin-derived HSP65 with peptide tested its ability activities...
In this paper, we summrize the new development of hardware-acceleration techniques and a parallel conformal Finite-Difference Time-Domain (FDTD) method in computational electromagnetics engineering. We investigate performance FDTD on different hardware platforms, such as Intel AMD processors, with vector-arithmetic logic unit (VALU) acceleration, regular PC cluster, high-performance server use graphics-processing (GPU), an IBM CELL processor. The method, which is nature, one best candidate...
In the integrated radar and communication (RadCom) systems, orthogonal frequency division modulation (OFDM) waveform with interleaved subcarriers (IS) can simultaneously perform functions. However, autocorrelation function (ACF) of may have high sidelobe level probability due to discontinuous spectrum for radar. To solve this problem, in letter, a joint subcarrier power allocation method is proposed minimize peak-to-sidelobe ratio (PSLR) while meeting requirement data rate (CDR) maintaining...
To improve the utilization of resources and construct a cost-efficient platform simultaneously performing both radar communication functions, integrated system (IRCS) is introduced. Although it desirable to maximize channel capacity for while maintaining desired detection probability radar, doing so frequency-selective fading or frequency-sensitive target results in considerable performance degradation ability orthogonal frequency division multiplexing (OFDM) IRCS, referred as OFDM-IRCS,...