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kaizhongkaizhong's Projects

acoustic-direction-finding-using-single-acoustic-vector-sensor-under-high-reverberation icon acoustic-direction-finding-using-single-acoustic-vector-sensor-under-high-reverberation

We propose a novel and robust method for acoustic direction finding, which is solely based on acoustic pressure and pressure gradient measurements from single Acoustic Vector Sensor (AVS). We do not make any stochastic and sparseness assumptions regarding the signal source and the environmental characteristics. Hence, our method can be applied to a wide range of wideband acoustic signals including the speech and noise-like signals in various environments. Our method identifies the “clean” time frequency bins that are not distorted by multipath signals and noise, and estimates the 2D-DOA angles at only those identified bins. Moreover, the identification of the clean bins and the corresponding DOA estimation are performed jointly in one framework in a computationally highly efficient manner. We mathematically and experimentally show that the false detection rate of the proposed method is zero, i.e., none of the time-frequency bins with multiple sources are wrongly labeled as single-source, when the source directions do not coincide. Therefore, our method is significantly more reliable and robust compared to the competing state-of-the-art methods that perform the time-frequency bin selection and the DOA estimation separately. The proposed method, for performed simulations, estimates the source direction with high accuracy (less than 1 degree error) even under significantly high reverberation conditions.

admmirnn icon admmirnn

ADMMiRNN: Training RNN with Stable Convergence via An Efficient ADMM Approach

amath-515-code icon amath-515-code

Useful code such as proxgrad, FISTA,ADMM, coordinate descent (all for lasso) plus projection onto unit ball... from AMATH 515

arraysim icon arraysim

Simulation of atenna array. Beamforming and DOA estimation.

awesome-deep-neuroevolution icon awesome-deep-neuroevolution

A collection of Deep Neuroevolution resources or evolutionary algorithms applying in Deep Learning (constantly updating)

awesome-model-quantization icon awesome-model-quantization

A list of papers, docs, codes about model quantization. This repo is aimed to provide the info for model quantization research, we are continuously improving the project. Welcome to PR the works (papers, repositories) that are missed by the repo.

bayesopt icon bayesopt

BayesOpt: A toolbox for bayesian optimization, experimental design and stochastic bandits.

beampatterndesign icon beampatterndesign

Optimal Beam Pattern Design for Hybrid Beamforming in Millimeter Wave Communications

bsca icon bsca

Matlab code for block successive convex approximation algorithms

d-amp_toolbox icon d-amp_toolbox

This package contains the code to run Learned D-AMP, D-AMP, D-VAMP, D-prGAMP, and DnCNN algorithms. It also includes code to train Learned D-AMP, DnCNN, and Deep Image Prior U-net using the SURE loss.

d3l-hb icon d3l-hb

data-driven deep learning-based hybrid beamforming

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