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frequency of arrival estimation

Spatial time frequency distribution of cross term based direction of arrival estimation for weak non stationary signal

Spatial time frequency distribution of cross term based direction of arrival estimation for weak non stationary signal

... time- frequency distribution representation since it provides the most energy concentration in time-frequency do- mains, displays the non-stationary properties of the sig- nal, and satisfies the marginal ...

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Sparse reconstruction for direction of arrival estimation using multi frequency co prime arrays

Sparse reconstruction for direction of arrival estimation using multi frequency co prime arrays

... In the first example, sparse signal reconstruction is ap- plied under single frequency operation to perform DOA estimation. Since the difference co-array has eight posi- tive lags, sparse reconstruction can ...

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Beamforming and Angle of Arrival Estimation of Square Planar Antenna Array

Beamforming and Angle of Arrival Estimation of Square Planar Antenna Array

... mance of wireless networks [1]. It can form an optimized pattern according to certain rules. It has great advan- tage in many fields, such as wireless communications systems and radar remote sensing, etc. [2]. Indoor ...

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An Improved Amplitude Comparison Based Direction of Arrival Estimation

An Improved Amplitude Comparison Based Direction of Arrival Estimation

... More sophisticated ESM systems can measure additional parameters, such as PRI modulation characteristics, inter- and intra-pulse Frequency Modulation (FM), missile guidance characteristics (e.g., pattern of pulse ...

7

Fast and Accurate Direction-of-Arrival Estimation for a Single Source

Fast and Accurate Direction-of-Arrival Estimation for a Single Source

... Abstract—In this paper, direction-of-arrival (DOA) estimation of a single narrow-band source with uniform linear arrays is addressed. The basic idea is to convert the received data to a correlation sequence ...

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Spectrum Sensing based on Direction of Arrival Estimation

Spectrum Sensing based on Direction of Arrival Estimation

... In this paper analysis of MUSIC Algorithm is carried forward for a frequency 478 MHz Its steering vector matrix is formed and Eigen value decomposition is done and then using the angle o[r] ...

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Doppler method for angle of arrival estimation

Doppler method for angle of arrival estimation

... Radio direction finder that utilizes angle of arrival (AOA) estimation is a function in a radio monitoring system to estimate the phase of the signal. A radio monitoring system can be use to estimate the ...

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Angle of arrival estimation for broadband signals : a comparison

Angle of arrival estimation for broadband signals : a comparison

... of arrival estimation algorithms have been reviewed and analysed, including a parameterised spa- tial covariance matrix approach, which by definition can only resolve the strongest source, an auto-focussing ...

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Underwater Direction of Arrival Estimation using Wideband Arrays of Opportunity

Underwater Direction of Arrival Estimation using Wideband Arrays of Opportunity

... We now consider a set of elevation angles Θ and azimuth angles Φ, and scan the power received by the array along every direction identified by a pair (θ, φ), for θ ∈ Θ and φ ∈ Φ. Specifically, for each cluster C, we ...

7

Polynomial subspace decomposition for broadband angle of arrival estimation

Polynomial subspace decomposition for broadband angle of arrival estimation

... AoA estimation algorithms, the coherent signal subspace method (CSSM) [7] combines covariance matrices at different frequency bins coherently by means of focussing matrices whose determination has most ...

5

Time of Arrival Estimation for UWB Localizers in Realistic Environments

Time of Arrival Estimation for UWB Localizers in Realistic Environments

... In general, only slight di ff erences can be observed in the performance of the algorithms. However, it is interesting to note that in the “direct LOS” and “high SNR” cases the threshold and search and single search give ...

13

W-L1-Sracv Algorithm for Direction-of-Arrival Estimation

W-L1-Sracv Algorithm for Direction-of-Arrival Estimation

... and the signal subspace spanned by array manifold matrix. DOAs can be effectively estimated simultaneously by searching the sparsest coefficients of the array covariance vectors. Compared with the previous works, the ...

12

Joint CFO and DOA estimation for multiuser OFDMA uplink

Joint CFO and DOA estimation for multiuser OFDMA uplink

... CFO estimation methods, on the other hand, were also developed to improve the bandwidth ...A frequency estimation scheme for uplink OFDMA with interleaved SAS that exploits the periodic structure of ...

15

Direction of Arrival Estimation using Conventional Subspace Algorithms

Direction of Arrival Estimation using Conventional Subspace Algorithms

... spectrum estimation has developed rapidly, it is rarely found in practical ...of arrival (DOA), the antenna array system with advanced signal processing can be used rather than single ...

5

Wireless Sensor Network Based Mobile Tracking System

Wireless Sensor Network Based Mobile Tracking System

... 121 nodes grid topology network and (ii) Test 2: 121 nodes random topology network. Centralized computer is placed at the bottom right corner of the deployment areas. RSS values are modeled using the log-normal shadowing ...

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SYNCRONIZATION METHOD FOR CARRIER FREQUENCY OFFSET IN OFDM

SYNCRONIZATION METHOD FOR CARRIER FREQUENCY OFFSET IN OFDM

... Orthogonal frequency division multiplexing (OFDM) is an effective transmission scheme to combat multipath ...is frequency flat and there is no inter symbol interference in time ...

8

Improvement of direction reconstruction and arrival direction estimation at the HiSPARC experiment

Improvement of direction reconstruction and arrival direction estimation at the HiSPARC experiment

... a frequency component of 200 MHz became dominant. This frequency compo- nent corresponds to a period of 5 ns, that is, two time ...This frequency component is attributed to the ADC ...a ...

74

Implementation of information display 
		device for estimation of bus arrival time

Implementation of information display device for estimation of bus arrival time

... the estimation of arrival time both an online accessed system and an information display deploying at each bus ...real-time arrival time of the ...bus arrival time at each bus stop, but the ...

8

Performance evaluation of correlative interferometry for angle of arrival estimation

Performance evaluation of correlative interferometry for angle of arrival estimation

... Chapter 3 describes the methodology required to design and implement the Correlative Interferometer DF system. It discusses the parameters needed to build the angle of arrival (AOA) estimation algorithm and ...

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Improvement on EVESPA for Beamforming and Direction of Arrival Estimation

Improvement on EVESPA for Beamforming and Direction of Arrival Estimation

... enhanced estimation procedure of B with the aim of improving performance for both beamforming and direction of arrival estimation in a coherent narrowband scenario, since each of these subjects were ...

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