Xi Pan

ORCID: 0000-0002-8417-0458
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About
Contact & Profiles
Research Areas
  • Indoor and Outdoor Localization Technologies
  • Radar Systems and Signal Processing
  • Speech and Audio Processing
  • Cancer-related molecular mechanisms research
  • Direction-of-Arrival Estimation Techniques
  • Lipid metabolism and disorders
  • Intermetallics and Advanced Alloy Properties
  • High-Temperature Coating Behaviors
  • RNA modifications and cancer
  • Structural Health Monitoring Techniques
  • Parasite Biology and Host Interactions
  • Helminth infection and control
  • Underwater Vehicles and Communication Systems
  • UAV Applications and Optimization
  • Psychosomatic Disorders and Their Treatments
  • Optical Systems and Laser Technology
  • Advanced SAR Imaging Techniques
  • Advanced Electrical Measurement Techniques
  • Advanced Image Fusion Techniques
  • Advanced Antenna and Metasurface Technologies
  • MXene and MAX Phase Materials
  • Remote-Sensing Image Classification
  • Geriatric Care and Nursing Homes
  • Agriculture, Soil, Plant Science
  • Radiomics and Machine Learning in Medical Imaging

South China Agricultural University
2022-2025

McLean Hospital
2025

Columbia University
2025

Northwest Normal University
2024

Beijing Institute of Technology
2013-2023

Peking University
2023

Fire Safety Design
2022

Huazhong University of Science and Technology
2022

Institute of Navigation
2022

Xi’an University of Posts and Telecommunications
2022

Fatty acid and retinol binding proteins (FARs) are lipid-binding protein that may be associated with modulating nematode pathogenicity to their hosts. However, the functional mechanism of FARs remains elusive. We attempt study function a certain FAR important in development Nippostrongylus brasiliensis . Nb -FAR-1 was highly expressed throughout developmental stages by RNA-seq data qPCR analyses, secretory abundant excretory-secretory products. could bind fatty acids retinol. pattern...

10.1371/journal.pntd.0012769 article EN cc-by PLoS neglected tropical diseases 2025-01-17

Assessment of trauma-related dissociation has been historically challenging given its subjective nature and the lack provider education around this topic. Recent work identified a promising neural biomarker dissociation, representing significant step toward improved assessment identification dissociation. However, it is necessary to better understand clinical factors that may be associated with biomarker. Participants were 65 women histories childhood maltreatment, posttraumatic stress...

10.1101/2025.02.27.25323014 preprint EN medRxiv (Cold Spring Harbor Laboratory) 2025-02-28

In this paper, the low rank prior of abundances hyperspectral data is explored and combined with semantic information to develop a new Group Low-rank constrained Nonnegative Matrix Factorization (GLrNMF) method for linear unmixing. First, image pixels are divided into several groups superpixels, then low-rank constraints cast on them explore geometry in both spatial spectral domains. By incorporating NMF, we can recover more accurate endmembers unmixing model. Some experiments taken...

10.1109/jstars.2018.2805779 article EN IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 2018-03-06

Abstract Background Gastrointestinal tract (GIT) nematodes prefer to live in the intestines of wild animals, causing damage and even death, posing a zoonotic risk. The polyparasitism GIT results complex dynamics nematode communities that occur naturally animals. However, community captive animals is poorly understood. Methods We combined microscopic examination amplicon sequencing for diversity. Results characterized assemblages one order, family, four genera, ten species, 512 fecal samples...

10.1186/s13071-024-06173-0 article EN cc-by Parasites & Vectors 2024-02-28

Soil ammonia oxidation, which acts as the first and rate-limiting step of nitrification, is driven by ammonia-oxidizing bacteria (AOB), archaea (AOA) complete oxidizer (comammox, amoA gene clade-A clade-B). Straw returning, widely used ecological technology in China, an effective measure for promoting straw decomposition soil nutrient cycling when combined with earthworm addition. However, effects returning addition on oxidizers remain poorly understood.A 2-year plot experiment was conducted...

10.3389/fmicb.2022.1069554 article EN cc-by Frontiers in Microbiology 2022-12-16

Unmanned aerial vehicles (UAVs) have attracted great interest in rapid deployment for both civilian and military applications. The conventional UAV monopulse tracking technique requires dedicated pulses which suffer from multipath effect air-to-ground (A2G) link with low elevation angles, whereas the orthogonal frequency division multiplexing (OFDM) A2G high rate communication under selective fading channel was not yet investigated target at ground station. In this paper, we propose a...

10.1109/access.2019.2946960 article EN cc-by IEEE Access 2019-01-01

Ground-based positioning systems are necessary as the conventional satellite-based suffer from weak received signals. In this paper, we proposed a precise ranging method in single-carrier frequency domain equalization (SC-FDE) system using amplitude nonlinearity of oversampled A new pattern preamble and unique word was designed for SC-FDE system, where can be exploited correlation-based timing algorithm to obtain impulse-like metric. Combining with coarse procedure, fine relying on signals...

10.1109/access.2019.2910754 article EN cc-by-nc-nd IEEE Access 2019-01-01

A time-domain ranging algorithm is proposed for a frequency-modulated continuous wave (FMCW) short-range radar sensor with high accuracy and low complexity. The estimates the distance by calculating ratio of beat frequency signal to its derivative thereby eliminates restriction bandwidth on accuracy. Meanwhile, we provide error analysis under different distances, integral lengths, relative velocities, signal-to-noise ratios (SNRs). Finally, fabricate FMCW prototype construct measurement...

10.3390/s19143176 article EN cc-by Sensors 2019-07-19

As a common herbicide in farmland, there has been wide concern over quinclorac residue because of its potential risks to the environment and human health. For detection monitoring environment, enzyme-linked immunoassay (ELISA) time-resolved fluoroimmunoassay (TRFIA) were established. The half-maximal inhibition concentrations (IC50) ELISA TRFIA 0.169 mg/L 0.087 with linear range (IC20−IC80) 0.020−1.389 0.004−1.861 mg/L, respectively. Compared ELISA, limit (LOD, IC20) IC50 improved...

10.3390/bios12050338 article EN cc-by Biosensors 2022-05-14

10.5370/jeet.2016.11.3.759 article EN Journal of Electrical Engineering and Technology 2016-05-01

Raillietina species belong to the family Davaineidae, which parasitizes in a wide variety of mammals and birds, causing stunted growth, lethargy, emaciation, digestive tract obstruction. However, only limited number have been identified wild animals. We analyzed annotated complete mitochondrial (mt) genome worm from intestine pangolin using Illumina sequencing whole genomic DNA. These findings showed presence two mtDNA sequences sp., designated as mt1 mt2, with lengths 14,331 bp 14,341 bp,...

10.1186/s13071-022-05301-y article EN cc-by Parasites & Vectors 2022-06-13

The localization accuracy demand is ever growing in UAV communication networks. We propose a joint coarse and fine range estimation method using single carrier burst signals with two samples per symbol for of our exploits multiple preamble symbols flexible single-carrier frequency-domain equalization (SC-FDE) frame structures to calculate correlation metrics, which are insensitive frequency offset due the differential operation. Then, we only expectation relying on shaping or matched filter....

10.1109/access.2021.3066415 article EN cc-by IEEE Access 2021-01-01

This paper considers the design and analysis of distributed multiple spherical arrays for acoustic source localization. The proposed array structures are based on harmonic signal classification (MUSIC) algorithm sources new consist several identical spheres with uniform placement microphones each sphere. In this paper, influence size distributions have been evaluated by using direction arrival (DOA) estimation method in order to obtain some rules about design.

10.1109/sspd.2016.7590607 article EN 2016-09-01

In order to solve the problem of narrow bandwidth traditional microstrip antenna, a broadband patch antenna with Y-shaped feeder is proposed in this paper, which has advantage wider and similar radiation pattern characteristics than slot antenna. Firstly, line used as feed based on straight line. Secondly, strip-slot hybrid structure square patch. Then slotted. Finally, impedance matching achieved by optimizing size greatly widens The full wave simulation software high frequency simulator...

10.54097/9ke0q686 article EN cc-by Academic Journal of Science and Technology 2024-03-12

Weak signal acquisition is the key problem of deep space detection. The paper discusses an improved weak technology which fits for acquiring signals having high dynamic range and low to noise ratio (SNR). adaptive line enhancer applied before FFT improve performance reduce time. output SNR detection ability are enhanced by using appropriate enhancer. Aiming at residual carrier, methods that use ALE-FFT normal compared, algorithm has better performance. spectrum estimation discussed also.

10.1109/ispacs.2010.5704773 article EN International Symposium on Intelligent Signal Processing and Communication Systems 2010-12-01
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