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检索条件"主题词=MUSIC algorithm"

共 374 条记录，以下是31-40 订阅

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Time-angle spectrum sensing based on sliding window music algorithm

Time-angle spectrum sensing based on sliding window MUSIC al...

引用

4th International Conference on Multimedia Information Networking and Security (MINES)

作者： Du Liping Liu Feifei Chen Yueyun Univ Sci & Technol Beijing Dept Commun Sch Comp & Commun Engn Beijing 100083 Peoples R China

ISBN: (纸本)9780769548524

Spectrum sensing is one of the key issues in cognitive radio. To explore all dimensions of the spectrum space, a sliding window music based spectrum sensing method is proposed to offer the spectrum holes in time-angle dimension. Simulation results show that the proposed method has better detection performance than conventional energy detection as well as high estimation accuracy.

关键词： Spectrum sensing music algorithm time-angle dimension

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Improvement to the Traditional music algorithm for MIMO Radar Angle Estimation

Improvement to the Traditional MUSIC Algorithm for MIMO Rada...

引用

IEEE International Radar Conference (RadarCon)

作者： Liu, Jingping Liu, Song Zhao, Huichang Huo, Kairui Nanjing Univ Sci & Technol Sch Elect & Opt Engn Minist Key Lab JGMT Nanjing 210094 Jiangsu Peoples R China

ISBN: (纸本)9781479982325

The traditional music algorithm for MIMO radar angle estimation has been improved to reduce the amount of arithmetic operations. The N-th power of the inverse matrix is applied to approximate the noise subspace to eliminate the requirement of distinguishing the signal and the noise subspace. The combination of the eigenvalues and eigenvectors replaces the N-th power of the inverse covariance matrix. The improved algorithm has been implemented by DSP. The simulation and measurement results show this music algorithm can be used to estimate the target angle accurately.

关键词： MIMO radar music algorithm angle estimation

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Performance Analysis of music algorithm for DOA Estimation with Varying ULA Parameters 23

Performance Analysis of MUSIC Algorithm for DOA Estimation w...

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23rd International Conference on Computer and Information Technology (ICCIT)

作者： Chowdhury, Md Waqeeb Tahmeed Sayeed Mastora, Maisha Mil Inst Sci & Technol Dept OfElect Elect & Commun Engn Dhaka Bangladesh

ISBN: (纸本)9781665422444

The Direction of Arrival (DOA) estimation of a signal using music algorithm is one of the most popularly used spatial spectrum based DOA estimation techniques. In this paper we provide an analytical study of the performance of the Multiple Signal Classification (music) algorithm based DOA detection scheme with varying Uniform Linear Array (ULA) parameters like the inter-element spacing, number of array elements and Signal-to-Noise ratio (SNR). Such a study will help us in realizing the behavioral characteristics of the music algorithm with varying parameters, and will also provide with an insight to choose the optimal parameter range for the desired operation.

关键词： Direction of Arrival (DOA) music algorithm Uniform Linear Array (ULA) Inter-element spacing

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A Novel Reactance Domain music algorithm for Direction of Arrival Estimation Using 13-element ESPAR Antennas

A Novel Reactance Domain MUSIC Algorithm for Direction of Ar...

引用

International Conference on Information Networking (ICOIN)

作者： Wang, Xin Kim, Bong-Jun Ryu, Heung-Gyoon Chungbuk Natl Univ Dept Elect Engn Cheongju 361763 South Korea

ISBN: (纸本)9781479936892

Electronically steerable parasitic array radiator (ESPAR) antenna is well known for its low-power consumption, small-size antenna. In this paper, a novel fourth-order music algorithm using a 13-element ESPAR antennas for direction of arrival (DOA) estimation is proposed based on processing the covariance matrix of the array output signals. Unlike the conventional music algorithm which is an effective method for DOA estimation, the main motivation of the fourth-order music algorithm is that it is insensitive to additive Gaussian noise regardless of whether it is white or colored so it can improve the precision of the DOA estimation. By comparing with the conventional algorithm, our proposed algorithm can obtain more than 45dB gain under SNR=10dB, which can obviously show an outstanding performance improvement. Finally, computer simulation results show that the novel algorithm can resolve up to one impinging signal with less than 0.15 degrees under SNR=0dB and provide an estimation with less than 0.6 degrees under SNR=5dB for two impinging signals coming from different angles.

关键词： music algorithm DOA fourth-order music algorithm ESAPR antenna

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A Preliminary Study on Angle of Arrival Estimation by music algorithm Using Backscatter Tags

A Preliminary Study on Angle of Arrival Estimation by MUSIC ...

引用

IEEE International Conference on Pervasive Computing and Communications (PerCom)

作者： Yamaguchi, Yudai Erdelyi, Viktor Uchiyama, Akira Higashino, Teruo Osaka Univ Grad Sch Inf Sci & Tech Suita Osaka Japan Kyoto Tachibana Univ Fac Engn Dept Inf & Comp Sci Kyoto Japan

ISBN: (纸本)9798350304367;9798350304374

Various methods employing RF signals, such as Wi-Fi, BLE, and UWB, have been proposed for estimating the locations of people and objects. However, one of the major challenges impeding their widespread adoption is the time and effort required to manage these systems, especially in terms of recharging and replacing batteries. To address this issue, our study focuses on localization using backscatter tags, which boast ultra-low power consumption. These tags operate by backscattering surrounding radio signals, thereby creating a frequency shift in the backscattered signal. As a preliminary investigation into localization, we utilized the music algorithm, commonly employed for Angle-of-Arrival (AoA) estimation. We adapted this algorithm for use with our backscatter tags and assessed its AoA estimation performance. Our experimental results indicate that AoA estimation is achievable with an error of 10.8 degrees in a 5mx9m conference room.

关键词： Backscatter AoA estimation music algorithm

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Fast Spectrum Estimation in 2-D Direction Finding with music algorithm

Fast Spectrum Estimation in 2-D Direction Finding with MUSIC...

引用

2006 8th International Conference on Signal Processing

作者： WU S.L. LUO J.Q. Lab.308 Hefei Electronic Engineering Institute

ISBN: (纸本)0780397371

＜正＞Principles of two dimensional music algorithm has been introduced in this *** methods for searching the spectrum peaks are indicated,i.e.,method in solving the inflexions of spectrum function and method with variable searching *** prove that the two methods can obviously improve the speed in searching direction finding with music algorithm. Key words:music algorithm;Spectrum estimation;Quasi real-time;Inflexions;Variable step size

关键词： Inflexions music algorithm Quasi real-time Spectrum estimation Variable step size

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Fast music algorithm for joint DOD-DOA estimation based on Gibbs Sampling in MIMO Array

Fast MUSIC algorithm for joint DOD-DOA estimation based on G...

引用

IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC)

作者： Shi, Wentao He, Chengbing Huang, Jianguo Zhang, Qunfei Northwestern Polytech Univ Sch Marine & Technol Xian 710072 Peoples R China

ISBN: (纸本)9781509027088

Multiple signal classification (music) algorithm has been used for joint Direction of Departure (DOD) and Direction of Arrival (DOA) estimation in Multiple Input Multiple Output (MIMO) array. It has shown excellent angle estimation performance. However, the two dimensional angle peaks searching of MIMO music algorithm renders high computational complexity. In order to resolve this problem, a fast MIMO music algorithm for joint DOD-DOA Estimation based on Gibbs Sampling is proposed. The proposed algorithm combines Markov Monte Carlo method with MIMO music estimator. Firstly, the power of the MIMO music spectrum function is regarded as the target distribution up to a constant scalar, then the Gibbs sampler sample from the scalar, and the joint DOD-DOA estimation can be achieved from the linger position. Simulation results show that the proposed method not only keeps the similar DOA estimation performance which is achieved by the MIMO music algorithm, but also reduces the computational complexity.

关键词： Multiple Input Multiple Output (MIMO) array joint Direction of Departure (DOD) and Direction of Arrival (DOA) estimation music algorithm Gibbs Sampling Computational complexity

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Rotor Faults Detection in Variable Frequency Motor Based on music algorithm

Rotor Faults Detection in Variable Frequency Motor Based on ...

引用

2nd International Conference on Optical, Electronic Materials and Applications (OEMA 2012)

作者： Liu, Fen Xu, Wu Nong Hu, Wen Biao Bengbu Naval Petty Officer Acad Electromech Dept Bengbu 233012 Peoples R China Naval 902 Plant Shanghai 200083 Peoples R China Navy 92854 Army Zhanjiang 524005 Peoples R China

ISBN: (纸本)9783037854303

When the variable frequency motor rotor failed, the harmonic components of stator current intensified, which makes the extraction of fault characteristics more difficult. To solve the problem, on-line detection way of rotor faults based on the music (Multiple Signal Classification) algorithm is presented, which the current signal of inverter DC side is acquired and processed by the algorithm to obtain the fault feature component. The experimental results show the method is simple and effective, which improve the reliability of the rotor fault diagnosis.

关键词： Variable Frequency Motor Rotor music algorithm Fault Detection

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A Study on Optimum Weight Value and Cost music algorithm of Array Steering Vector 8

A Study on Optimum Weight Value and Cost MUSIC Algorithm of ...

引用

8th International Conference on Advanced Software Engineering & Its Applications (ASEA)

作者： Lee, Kwan Hyeong Daejin Univ Dept Communcat Engn 1007 Hoguk Ro Phocheon Gyeonggi South Korea

ISBN: (纸本)9781467398374

This paper estimate a desired signal using adaptive array antenna in wirless communication system. Position of target is to estimate for desired direction of arrival among incident signals with receiver system. We use an adaptive array antenna. In order to obtain an optimum weight value, we study direction of arrival estimation algorithm with cost music algorithm. Through simulation, we show that compare cost music algorithm with general algorithm. In this paper, Direction of arrival estimation improved more proposed algorithm than general algorithm.

关键词： DOA Array antenna music algorithm MVDR

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The Simulation Analysis of DOA Estimation Based on music algorithm 5

The Simulation Analysis of DOA Estimation Based on MUSIC Alg...

引用

5th International Conference on Mechanical, Control and Computer Engineering (ICMCCE)

作者： Zhou, Xiaojun Zhu, Fangdong Jiang, Yu Zhou, Xiaoming Tan, Wei Huang, Meng Gansu Ind Polytech Coll Dept Elect & Informat Engn Tianshui Peoples R China Sichuan Univ Coll Cybersecur Chengdu Peoples R China Sichuan Univ Coll Comp Sci Chengdu Peoples R China Coll Gansu Ind & Polytech Tianshui Peoples R China Gansu Ind Polytech Coll Dept Arts & Media Lanzhou Peoples R China

ISBN: (纸本)9781665423144

Array signal processing is a very important content in the field of signal processing and it's developing very rapidly in recent years. Direction of arrival (DOA) estimation is a key research. It has a broad prospect of application in radar, communication, sonar, seismology and other fields. Now the high resolution DOA estimation algorithm has achieved many important results, In this paper, we mainly studied and analyzed the classical multiple signal classification(music) algorithm, and the various factors which affect the estimation performance of the simulation, this provide the reference for the further study of music algorithm.

关键词： music algorithm DOA estimation array signal processing simulation analysis

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