A5002268149- Quantum Information and Cryptography
- Electromagnetic Compatibility and Measurements
- Quantum Computing Algorithms and Architecture
- Advanced Antenna and Metasurface Technologies
- Quantum Mechanics and Applications
- Semiconductor Quantum Structures and Devices
- Antenna Design and Optimization
- Radar Systems and Signal Processing
- Advanced SAR Imaging Techniques
- Antenna Design and Analysis
- Integrated Circuits and Semiconductor Failure Analysis
- Quantum and electron transport phenomena
- Computational Geometry and Mesh Generation
- Quantum optics and atomic interactions
- Sparse and Compressive Sensing Techniques
- Electromagnetic Simulation and Numerical Methods
- Spectroscopy and Laser Applications
- Graphene research and applications
- Photonic Crystals and Applications
- Photoacoustic and Ultrasonic Imaging
- Advanced Optical Sensing Technologies
- Near-Field Optical Microscopy
- Pulsed Power Technology Applications
- Microwave Engineering and Waveguides
- Modular Robots and Swarm Intelligence
Xidian University
2014-2024
Beijing University of Posts and Telecommunications
2015-2021
National University of Defense Technology
2019
Institute of Fluid Physics
2014
Heilongjiang Institute of Technology
2013
Harbin Institute of Technology
2013
Recently, compressive sensing (CS) has been successfully used in inverse synthetic aperture radar (ISAR) imaging. Since the exact sparse reconstruction, i.e., l <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> -norm constraint, is NP hard, xmlns:xlink="http://www.w3.org/1999/xlink">1</sub> relaxation widely at cost of performance degradation sparseness solution. The existing CS-based ISAR imaging algorithms sensitive to regularized...
Reference-frame-independent quantum key distribution (RFI-QKD) has been proposed as a method to avoid the requirement of real-time alignment reference frames. However, source flaw not considered in most previously reported works. In this paper, based on analysis Wang et al. [Phys. Rev. A 92, 042319 (2015)], we perform proof-of-concept experiment demonstrate loss-tolerant RFI-QKD by constructing time-bin phase-encoded system and quantifying its flaws. Moreover, finite-key is taken into...
Proposed an improved bidirectional ray tracing method based on the bounding volume hierarchy acceleration structure. To enhance computational efficiency while maintaining accuracy, this employs Surface Area Heuristic criterion to partition and assign all triangular elements different boxes. Furthermore, we by introducing a circumradius criterion, reducing number of facets that require backward tracing. validate our approach, provide two examples involving dihedral three trihedral corner...
The coupling of two antennas can be described with mutual impedance. This paper proposes computing the impedance by reaction theorem, which involves integrating vector products near fields over a sphere surrounding second antenna. We express both spherical harmonic transform (SHT), evaluate first antenna on eccentric new fast Fourier (FFT)/interpolation method efficiently, and then obtain integrals. has computation complexity O(N <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...
In this letter, a novel method is proposed to rapidly simulate the multiaspect monostatic radar cross section of electrically large complex targets based on shooting and bouncing ray (SBR). The core use inheritance illumination determine target surface, rather than independently simulating for each required aspect angle as in traditional SBR method. To achieve this, variation surface summarized genetic information defined. error also discussed multiple precalculation solutions control error....
The coupling of two antennas can be described with mutual impedance. This paper proposes computing the impedance by reaction theorem, which involves integrating vector products near fields over a sphere surrounding second antenna. We express both Spherical Harmonic Transform (SHT), evaluate first antenna on eccentric new FFT/interpolation method efficiently, and then obtain integrals. has computation complexity O(N <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...
In this paper, we proposed the scheme for a passive round-robin differential-phase-shift quantum key distribution (RRDPS-QKD) set-up based on principle of Hong–Ou–Mandel interference. Our requires two legitimate parties to prepare their signal state with different non-orthogonal bases instead single in original protocol. Incorporating characteristic, establish level security our protocol under intercept-resend attack and demonstrate its detector-flaw-immune feature. Furthermore, show that...
The photocurrent waveform from the semi-insulating GaAs Photoconductive semiconductor switch (PCSS) when using different trigger laser energy and electric field has been tested. peak value of current is in direct proportion to work voltage at higher lower storage capacitor shown characterizes existing two modes. A photograph taken a high speed camera it discharged no filament was founded. results were discussed generating recombination process carrier peculiar mode called quasi-linear this...
The 'plug & play' quantum key distribution system is the most stable and earliest commercial in communication field. Jones matrix calculus are widely used analysis of this improved version, which called auto-compensating system. Unfortunately, existing has two drawbacks: only process analyzed systems do not fully consider laser phase affected by a Faraday mirror (FM). In work, we present detailed output light pulse transmitting plug play that contains an FM, calculus. A similar made to...
The simulation or measurement of large antenna arrays requires a spherical near field to far (NFFF) transform, which suffers from the underflow when calculating high degree associated Legendre functions by double precision. This paper proposes normalize first non-zero term in recursion and set extremely small terms zero. Numerical experiments show that proposed method is much more accurate stable than commonly used SPHEREPACK library. Besides, pattern linear array 600 elements evaluated with...
Quantum communication plays an important role in quantum information science due to its unconditional security. In practical implementations, the users of each vary with transmitted information, and hence not all are required participate round. Therefore, improving flexibility efficiency actual process is highly demanded. Here, we propose a theoretical scheme that realizes secret key distribution for both two-party (QKD) multi-party sharing (QSS) modes. The sender, Alice, can freely select...
Existing phase center evaluation methods are based on various approximations of the electric field, thus leads to a systematic error. Given phases measured at some far-field points, this paper proposes compute projected sphere and minimize range these by polytope algorithm determine center. Without any approximation in formulas, proposed method is more accurate than existing methods, which shown dipole simulated with Method Moment (MoM), horn waveguide slot array an anechoic chamber.