Boyuan Ma
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Reference-Free Image Quality Metric for Degradation and Reconstruction Artifacts Open
Image Quality Assessment (IQA) is essential in various Computer Vision tasks such as image deblurring and super-resolution. However, most IQA methods require reference images, which are not always available. While there are some reference-…
Reconfigurable microwave photonic mixer for hybrid macro-micro cellular systems Open
Microwave photonic mixing can realize the frequency conversion of microwave signals in the optical domain, breaking through the bandwidth bottleneck and electromagnetic interference problems of traditional microwave mixing methods. In the …
A Novel Capacitive Cross-Coupling Structure for Ceramic-Filled Cavity Filters Open
Since the probe coupling for cavity filters is unsuitable for ceramic-filled cavity filters, a novel capacitive cross-coupling structure is proposed to improve stopband suppression by introducing transmission zeros. This structure is imple…
Wristwatch-Style Wearable Dielectric Resonator Antennas for Applications on Limps Open
A wristwatch-style wearable dielectric resonator antenna (DRA) is proposed for the 2.45-GHz ISM band and sub-6 GHz 5G NR bands around 2.5 GHz, such as the commercial band for China Mobile Communications Corporation. The antenna is designed…
Fixing and Aligning Methods for Dielectric Resonator Antennas in K Band and Beyond Open
Various conventional and novel fixing strategies for dielectric resonator antennas (DRAs) in K band and beyond are presented and investigated. Their effects on DRAs are studied in depth and explained theoretically through the perturbation …
Miniaturized Conformal Arc Dielectric Resonator Antennas Using Dielectric and Metallic Loading Open
Compact arc-shaped conformal dielectric resonator antennas (DRAs) loaded by metal plates and high-dielectric-constant (HiK) patches are investigated. Their miniaturizing principles are analyzed from different aspects. Closed-form expressio…
Estimation and Utilization of Ground Effects on Conformal Dielectric Resonator Antennas Open
Ground effects on arc-shaped conformal dielectric resonator antennas (DRAs) working in the TE11δz mode are investigated and utilized to attain various radiation performances. Manipulation of directivity patterns are achieved with the help …
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ITOEC 2018 TOC Open
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Parameter Estimation of Multiple Frequency-Hopping Signals with Two Sensors Open
This paper essentially focuses on parameter estimation of multiple wideband emitting sources with time-varying frequencies, such as two-dimensional (2-D) direction of arrival (DOA) and signal sorting, with a low-cost circular synthetic arr…
Analytic and Unambiguous Phase-Based Algorithm for 3-D Localization of a Single Source with Uniform Circular Array Open
This paper presents an analytic algorithm for estimating three-dimensional (3-D) localization of a single source with uniform circular array (UCA) interferometers. Fourier transforms are exploited to expand the phase distribution of a sing…
A Localization Algorithm of Double Radars Based on Two Moments Open
This paper proposes an algorithm of localization based on FPGA and PC. It calculates the position of the target based on the geometrical relationship between the radars and the target through the speeds of the target and the peak-to-peak v…
Matching Theory of Cross-Polarization Suppression Components for Large-Scale Rectangular Waveguide Slot Array Antennas Open
In order to obtain good circular polarization, parallel metallic plates are used for large-scale rectangular waveguide slot array antennas to achieve pure linear polarization at first.It is found that these plates not only suppress cross-p…
Narrow-wall slotted waveguide array antenna with low cross-polarization filter Open
A narrow-wall slotted waveguide array antenna with low cross-polarization filter is presented.The horizontal polarization (HP) is the co-polarization for narrow-wall slotted waveguide array antenna, while the vertical polarization (VP) is …
Low Cross-Polarization Slab Waveguide Filter for Narrow-Wall Slotted Waveguide Array Antenna with High Gain Horn Open
A low cross-polarization slab waveguide filter for narrow-wall slotted waveguide array antenna with high gain horn is presented.In narrow-wall slotted waveguide array, the horizontal polarization (HP) is the co-polarization, while the vert…