A5060329335- Advanced SAR Imaging Techniques
- Sparse and Compressive Sensing Techniques
- Microwave Imaging and Scattering Analysis
- Synthetic Aperture Radar (SAR) Applications and Techniques
- Photoacoustic and Ultrasonic Imaging
- Advanced Optical Sensing Technologies
- Catalysis and Oxidation Reactions
- Catalytic Processes in Materials Science
- Radar Systems and Signal Processing
- Spectroscopy Techniques in Biomedical and Chemical Research
- Antenna Design and Optimization
- Structural Health Monitoring Techniques
- Industrial Vision Systems and Defect Detection
- Gastrointestinal motility and disorders
- Injection Molding Process and Properties
- Clostridium difficile and Clostridium perfringens research
- Inflammatory Bowel Disease
- Liver Disease and Transplantation
- Cancer Risks and Factors
- Traditional Chinese Medicine Studies
- Ginseng Biological Effects and Applications
- Esophageal Cancer Research and Treatment
- Pediatric Pain Management Techniques
- Pharmacological Effects of Natural Compounds
- Fish Biology and Ecology Studies
Southeast University
2021-2025
State Key Laboratory of Millimeter Waves
2021-2025
Xinxiang Medical University
2008-2023
Xiamen University
2021-2022
Collaborative Innovation Center of Chemistry for Energy Materials
2021
Chongqing University
2018
Synthetic aperture radar (SAR) image formation can be treated as a class of ill-posed linear inverse problems, and the resolution is limited by data bandwidth for traditional imaging techniques via matched filter (MF). The sparse SAR technology using compressed sensing (CS) has been developed enhanced performance, such superresolution, feature enhancement, etc. More recently, from machine learning (ML), including deep (DL), further studied, showing great potential in area. However, there are...
Due to the low-cost and compact size, millimeter-wave radar is gaining increasing attention in automotive applications. Compared with array imaging technique, synthetic aperture (SAR) takes advantage of high resolution, low system complexity, an important powerful tool imaging. In this paper, a high-resolution MIMO SAR algorithm proposed framework Doppler-division multiplexing (DDM), where novel multi-channel back-projection (BP) approach presented for coherent image integration. scheme, DDM...
The development of highly efficient catalysts for room-temperature formaldehyde (HCHO) oxidation is great interest indoor air purification. In this work, it was found that the single-atom Pt1/CeO2 catalyst exhibits a remarkable activity with complete removal HCHO even at 288 K. Combining density functional theory calculations and in situ DRIFTS experiments, revealed active OlatticeH site generated on CeO2 vicinity Pt2+ via steam treatment plays key role to formate its further CO2. Such...
Tomographic synthetic aperture radar (TomoSAR), which can provide three-dimensional (3-D) image of the observed scenes, has become an important technology for topographic mapping, forest parameter estimation, urban buildings modeling and etc. Recently, developed compressed sensing (CS) other similar methods have been widely applied achievement super-resolution SAR tomography. However, there always exists inevitable model errors during mining scene information, such as discrete gridding on...
An increased risk of cardiovascular and metabolic diseases (CVMDs) among patients with cancer suggests a potential link between CVMD cancer. The impact on the survival time esophageal gastric remains unknown. We aimed to determine incidence its longterm outcomes in patients.A total 2074 were enrolled from January 1, 2007 December 31, 2017 two hospitals, including 1205 cases 869 cancer, who followed up for median 79.8 79.3 months, respectively. Survival was analyzed using Kaplan-Meier method...
Ground-based (GB) radar imaging can provide mapping of interesting terrains and accurately monitor deformation in a noncontact manner, which has found wide application landslide warning so on. In this article, novel 3-D synthetic aperture (SAR) array phase error calibration algorithm is proposed using the micro multiple-input–multiple-output (MIMO) millimeter-wave (mmW) sensor. The framework Doppler-division multiplexing (DDM) MIMO-SAR designed to be suitable for moving platform, i.e.,...
There has been an increasing interest in addressing the issue of high-resolution inverse synthetic aperture radar (ISAR) imaging from sparse sampling data. Traditional compressed sensing (CS) and matrix completion (MC) methods are based on low-rank constraints, respectively, which do not make full use structure ISAR In this article, a algorithm using structured approach is proposed for enhanced performance. Based observation that Hankel better property, can outperform group conventional MC...
Abstract A Pd/Al 2 O 3 nanocatalyst was pretreated at 750 °C in air, Ar or H O/Ar, respectively. The effect of these different pretreatments on the active species and reactivity formaldehyde oxidation room temperature investigated. pretreatment found to affect both phase transformation PdO Pd metal dispersion, leading catalytic performances. We that O/Ar show 60 % 100 conversion 25 °C, respectively, while catalyst air is not under same condition. Pretreatments were facilitate formation...
Recently, radar sensors with four-dimensional (4D) high resolution are demanded for point cloud processing in automotive field. To achieve this goal, a large amount of transmit (TX) and receive (RX) channels required systems. Commonly, monolithic microwave integrated circuits (MMIC) chip an has only 3 TX 4 RX channels. The is restricted by the limited number transceiver (TRX) Hence, paper, compact affordable two-chip cascaded frequency modulated continuous wave (FMCW) system presented. Based...
As an all-weather and all-day sensing tool, millimeter wave radar with compact size small cost is gaining increasing attention in automotive intelligence. In particular, four-dimensional (4-D) imaging range, doppler, azimuth elevation resolving ability playing important role among sensors. The sparse array adopted by 4-D the requirements of high frame rate high-resolution put forward higher for 2-D direction arrival (DOA) estimation algorithm. this paper, off-the-grid compressed (CS)...
Due to the characteristics of small-size, low cost and high resolution, millimeter-wave synthetic aperture radar (SAR) has unique property during high-resolution imagery observations. In this article, a video (ViSAR) imaging algorithm is proposed based on micro platforms, which can constantly produce SAR images at frame rate dynamically monitor region interest. scheme, an overlapped sub-aperture strategy applied segment data, two-dimensional (2D) de-chirp processing each segmented data for...
Inverse synthetic aperture radar (ISAR) imaging is very challengeable when facing with sparse (SA). Traditional compressive sensing (CS) methods handles the SA problem using representation, but will cause model mismatch inherently. In this paper, a Hankel matrix completion (HMC) approach proposed for ISAR imaging, which can effectively enhance performance grid-less technique. The matrices are constructed from echo in each range bin. After low-rank property proved, an MC method based on...
Objective To observe the effect of compound glycyrrhizin combined with injectio salviae mihiorrhizae compesita in treatment chronic type B hepatitis (CHB). Methods Fifty - seven patients CHB were enrolled and divided ran-domly into two groups. The group (30 cases) given miltiorrhizae composita control (27 diammonium giycyrrhizinate milfiorrhizae composita. Then,the liver function indices degree hepatic fibrosis groups observed after 8 weeks. Results parameters better than that before...
In inverse synthetic aperture radar (ISAR) imaging, large variation angle contributes to high azimuthal resolution, provided that migration through resolution cell (MTRC) is compensated during the coherent processing interval (CPI). Usually, it challenging realize accurate MTRC compensation in sparse (SA) case, which tends impede accumulation and degrade imaging performance. this paper, a novel high-resolution SA ISAR algorithm based on Bayesian learning (SBL) proposed, can effectively...