Results 61 to 70 of about 1,693,030 (143)
This paper presents a novel direction of arrival (DOA) estimation method via rotation spatial differencing technique that offers high resolution, robustness, and stable performance. To suppress external environmental noise and improve estimation accuracy,
Peng Luo, Boyu Pang, Defeng Wu, W. Zeng
doaj +1 more source
Topics in the accuracy and resolution of superresolution systems [PDF]
Since their introduction in the 1970s and 1980s superresolution systems for point source parameter estimation have received theoretical attention regarding their potential performance.
Brandwood, D.
core
Combustion Analysis of a CI Engine with Biodiesel Blends based on Vibro-Acoustic Measurement [PDF]
In this paper, a combustion analysis of a compression ignition (CI) engine operating with biodiesel blends has been experimentally investigated to examine the effects of biodiesel on the combustion process and the characteristics of the engine noise ...
Gu, Fengshou +4 more
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Metasurface Sensing Approach to DOA Estimation of Coherent Signals [PDF]
The DOA estimation method of coherent signals based on periodical coding metasurface is proposed. After periodical coding, the DOA information of incident signals in the time domain is represented as the amplitude and phase information at different ...
Xu, Yougen, Hu, Yan, Zhao, Yishuo
core
A Novel DOA Estimation Approach for Unknown Coherent Source Groups with Coherent Signals
In this paper, a new combination of Minimum Description Length (MDL) or Eigenvalue Gradient Method (EGM), Joint Approximate Diagonalization of Eigenmatrices (JADE) and Modified Forward-Backward Linear Prediction (MFBLP) algorithms is proposed which ...
Sh. Shirvani Moghaddam +2 more
doaj
Doubly Covariance Matrix Reconstruction Based Blind Beamforming for Coherent Signals. [PDF]
Xie Z, Fan C, Zhu J, Huang X.
europepmc +1 more source
We analyse the characteristics of the Non-Coherent (NC) Multiple Transmit/Multiple Receive (MTMR) antenna aided Multi-Carrier (MC) DS-CDMA downlink employing a serial search based acquisition scheme, when communicating over spatially uncorrelated ...
Won, SH, Hanzo, L
core +1 more source
Quasiparticle representation of coherent nonlinear optical signals of multi-excitons
Multi-exciton Green's functions and scattering matrices in many-fermion systems are calculated using a quasiparticle approach based on a generalized Bethe–Salpeter equation.
Oleksiy Roslyak +3 more
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Applications of the Wigner Distribution Function in Signal Processing
We present a review of the applications of the Wigner distribution function in various areas of signal processing: amplitude and phase retrieval, signal recognition, characterization of arbitrary signals, optical systems and devices, and coupling ...
Dragoman Daniela
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Method of Non-Coherent Detection of Repeated Signals
Algorithms to detect of repeated signals based on the theory of optimal rules of observation stopping are developed. Analytical expressions for probabilities of correct detection and false alarm are obtained when the signal is detected in a separate ...
A. P. Los’, A. K. Rozov
doaj

