Results 11 to 20 of about 260,245 (315)
Improving the technical characteristics of digital signal processing devices is an important problem in many practical tasks. The paper proposes the architecture of a device for two-dimensional filtering in a residue number system (RNS) with moduli of a ...
Maria Valueva+3 more
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Performance analysis of multi-rate signal processing digital filters on FPGA
Multi-rate signal processing, an important part of the design of a digital frequency converter, is realized mainly based on interpolation and decimation, which match the sampling rate between the baseband and high-frequency processing side, especially in
Qingfeng Jing, Yujia Li, Jincheng Tong
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A multichannel filter for TV signal processing [PDF]
A multichannel filtering approach is introduced. The framework is used to correct impulsive noise and other image impairments in TV signal transmission. The principles behind the new filter are explained in detail. Simulation results indicate that the new filter offers some flexibility and has excellent performance.
Konstantinos N. Plataniotis+3 more
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Adaptive filters and multichannel signal processing [PDF]
Processing multichannel signals using digital signal processing techniques has received increased attention lately due to its importance in applications, such as multimedia technologies and telecommunications. The perspective of the topic offered here is one that comes primarily from work done in the field of multichannel image processing. The adaptive
Konstantinos N. Plataniotis+1 more
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Method of Range Ambiguity Suppression Combining Sparse Reconstruction and Matched Filter
Synthetic aperture radar (SAR) images are often affected by range ambiguity due to antenna sidelobe characteristics and pulse operating mechanism. The work of range ambiguity suppression focuses on both SAR system design and signal processing. On the one
Meng Qi+4 more
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A Frequency-Correcting Method for a Vortex Flow Sensor Signal Based on a Central Tendency
A vortex flow meter employs a sensor based on the piezoelectric vibration principle to realize vortex signal acquisition, and therefore the measurement results are susceptible to vibration noise.
Bin Li, Chengyi Wang, Jie Chen
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Low Power Systolic Array Based Digital Filter for DSP Applications
Main concepts in DSP include filtering, averaging, modulating, and correlating the signals in digital form to estimate characteristic parameter of a signal into a desirable form.
S. Karthick, S. Valarmathy, E. Prabhu
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FIR to FIR Model Reduction with Linear Group Delay in Passband by SDP Optimization
Filter model reduction is an important optimization method in digital signal processing. A method of FIR to FIR model reduction using SDP optimization is proposed in this paper. At first, we use SDP to design an original FIR filter.
Haijiang Hu+2 more
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Personalized Graph Signal Processing for Collaborative Filtering
The collaborative filtering (CF) problem with only user-item interaction information can be solved by graph signal processing (GSP), which uses low-pass filters to smooth the observed interaction signals on the similarity graph to obtain the prediction signals.
Jiahao Liu+6 more
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Low-Pass Parabolic FFT Filter for Airborne and Satellite Lidar Signal Processing
In order to reduce random errors of the lidar signal inversion, a low-pass parabolic fast Fourier transform filter (PFFTF) was introduced for noise elimination.
Zhongke Jiao+3 more
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