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科研机构
北京航空航天大学 [21]
内容类型
期刊论文 [15]
会议论文 [6]
发表日期
2019 [5]
2018 [9]
2017 [2]
2016 [2]
2014 [1]
2013 [1]
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专题:北京航空航天大学
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Encoding of non-binary quasi-cyclic codes by Lin-Chung-Han transform
会议论文
2018 IEEE Information Theory Workshop, ITW 2018, 2018-11-25
作者:
Li, R.
;
Huang, Q.
;
Wang, Z.
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2019/12/30
Block codes
Convolution
Encoding (symbols)
Fast Fourier transforms
Circulant matrix
Circulants
Convolution theorems
Cyclic convolutions
Encoding algorithms
Fast algorithms
Polynomial basis
Quasicyclic codes
Signal encoding
Low-observable target detection using two-stage RFRFT
期刊论文
IET RADAR SONAR AND NAVIGATION, 2019, 卷号: 13, 页码: 653-663
作者:
Wang, Wenguang
;
Chen, Cheng
;
Qu, Gaolong
;
Zuo, Yan
;
Zeng, Guoqi
收藏
  |  
浏览/下载:71/0
  |  
提交时间:2019/12/30
radar detection
Doppler radar
Radon transforms
Fourier transforms
low-observable target detection
two-stage RFRFT
long-time coherent integration
moving parameters
Radon-fractional Fourier transform
Doppler migration
spectrum similarity
range-Doppler domain
refined search
target detection
false alarm discrimination
Speech enhancement for in-vehicle voice control systems using wavelet analysis and blind source separation
期刊论文
IET INTELLIGENT TRANSPORT SYSTEMS, 2019, 卷号: 13, 页码: 693-702
作者:
Lei, Peng
;
Chen, Meiling
;
Wang, Jun
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2019/12/30
automobiles
blind source separation
independent component analysis
Fourier transforms
signal denoising
wavelet transforms
speech enhancement
in-vehicle voice control systems
wavelet analysis
blind source separation
signal-to-interference ratio
speech-based intelligent driver assistant systems
serious impact
voice control commands
speech enhancement method
complicated automobile environment
typical speech signals
automatic selection method
optimal wavelet basis
signal
2D ISAR imaging using SFFT
期刊论文
Advances in Intelligent Systems and Computing, 2019, 卷号: 752, 页码: 643-650
作者:
Qian, Y.
;
Hong, T.
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2019/12/30
Fast Fourier transforms
Intelligent computing
Inverse synthetic aperture radar
Inverse transforms
Imaging efficiency
Inverse synthetic aperture radar (ISAR) imaging
Inverse synthetic aperture radars (ISAR)
ISAR
ISAR Imaging
Radar signals
Sparse fast Fourier transform (SFFT)
Stepped frequency radar
Radar imaging
A Fast Compact Exponential Time Differencing Runge-Kutta Method for Time-Dependent Advection-Diffusion-Reaction Equations
期刊论文
EAST ASIAN JOURNAL ON APPLIED MATHEMATICS, 2019, 卷号: 9, 页码: 522-537
作者:
Xie, Xueyun
;
Zhu, Liyong
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2019/12/30
Advection-diffusion-reaction
exponential time differencing
linear splitting
discrete Fourier transforms
Runge-Kutta approximations
Real-time and high accuracy frequency measurements for intermediate frequency narrowband signals
期刊论文
REVIEW OF SCIENTIFIC INSTRUMENTS, 2018, 卷号: 89, 页码: 014704
作者:
Tian, Jing
;
Meng, Xiaofeng
;
Nie, Jing
;
Lin, Liwei
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2019/12/30
Discrete Fourier transforms
Fast Fourier transforms
Fourier analysis
Mean square error
Modulators
Accurate measurement
Conventional methods
Fourier coefficients
Frequency measurements
Intermediate frequencies
Intermediate frequency signals
Sampling frequencies
Sigma Delta modulator
Iterative methods
article
calculation
Fourier transformation
sampling
Projector-defocusing rectification for Fourier single-pixel imaging
期刊论文
OPTICS EXPRESS, 2018, 卷号: 26, 页码: 5005-5017
作者:
Xu, Bingjie
;
Jiang, Hongzhi
;
Zhao, Huijie
;
Li, Xudong
;
Zhu, Shuguang
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2019/12/30
Fourier analysis
Fourier transforms
Amplitude ratios
Controlled experiment
Digital projectors
Fourier coefficients
Imaging method
Imaging quality
Projected patterns
Reflected light
Pixels
Polynomial Radon-Polynomial Fourier Transform for Near Space Hypersonic Maneuvering Target Detection
期刊论文
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, 2018, 卷号: 54, 页码: 1306-1322
作者:
Wu, Wei
;
Wang, Guo Hong
;
Sun, Jin Ping
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/30
Doppler effect
Polynomials
Radar
Radar cross section
Radon
Signal processing
Signal to noise ratio
Space-based radar
Tracking radar
across range unit
Coherent integration
Doppler
Hypersonic targets
Radar detection
Fourier transforms
Simulation of electromagnetic scattering from 2D sea surface with 3D electrically large ship target [二维海面上三维电大尺寸舰船目标电磁散射仿真]
期刊论文
Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics, 2018, 卷号: 44, 页码: 2299-2304
作者:
Ge, Z.
;
Xian, N.
;
Wang, J.
;
Li, Y.
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2019/12/30
Electromagnetic simulation
Electromagnetic wave scattering
Frequency domain analysis
Method of moments
Optical character recognition
Radar imaging
Ships
Surface scattering
Surface waters
Synthetic aperture radar
Electromagnetic scattering
High resolution range profiles
Inverse Fourier transforms
Parallel Computation
Rough sea surface
Scattering char-acteristics
Simulation and analysis
Synthetic aperture radar (SAR) images
Radar target recognition
Infrared modulated thermography based on complex Morlet wavelet phase [基于复Morlet小波相位的红外调制热像检测方法]
期刊论文
Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering, 2018, 卷号: 47
作者:
Zhao, S.
;
Guo, X.
;
Liu, Y.
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2019/12/30
Defects
Fiber reinforced plastics
Frequency modulation
Glass fiber reinforced plastics
Glass fibers
Image processing
Nondestructive examination
Reinforced plastics
Reinforcement
Signal to noise ratio
Wavelet transforms
Complex Morlet Wavelet
Detection capability
Fourier transform method
High-frequency noise
Infrared image sequence
Modulation frequencies
Non destructive testing
Sampling frequencies
Thermography (imaging)
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