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Time 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

... the 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 ...

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Time of Arrival Estimation in Probability-Controlled Generalized CDMA Systems

Time of Arrival Estimation in Probability-Controlled Generalized CDMA Systems

... on time-of-arrival (TOA)-based positioning ...TOA estimation performance in a generalized CDMA system, in which the probability control mechanism is employed, where the transmitted signal is ...

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Two-Step Time of Arrival Estimation for Pulse-Based Ultra-Wideband Systems

Two-Step Time of Arrival Estimation for Pulse-Based Ultra-Wideband Systems

... as time-of-arrival (TOA) and angle-of-arrival (AOA), in order to obtain accurate location ...high time resolution of UWB signals presents a potential for very accurate positioning based on TOA ...

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High resolution time of arrival estimation for a cooperative sensor system

High resolution time of arrival estimation for a cooperative sensor system

... Cooperative sensor systems have to use the same signal bands as data communication systems. Bandwidth in these bands is tightly limited resulting equivalently in a low path resolution. The application of superresolution ...

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Time of Arrival Estimation for UWB Localizers in Realistic Environments

Time of Arrival Estimation for UWB Localizers in Realistic Environments

... Most of these works rely on simulation results and have not been verified with actual experimental data. In addi- tion, the propagation conditions for which a specific ToA estimation technique result to be more ...

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A novel time of arrival estimation algorithm using an energy detector receiver in MMW systems

A novel time of arrival estimation algorithm using an energy detector receiver in MMW systems

... new time of arrival (TOA) estimation technique using an improved energy detection (ED) receiver based on the empirical mode decomposition (EMD) in an impulse radio (IR) 60 GHz millimeter wave (MMW) ...

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Time difference of arrival estimation of microseismic signals based on alpha-stable distribution

Time difference of arrival estimation of microseismic signals based on alpha-stable distribution

... Noisy microseismic signals have conspicuous non- stationary characteristics, such as impulsiveness and random- ness; therefore, they belong to the category of non-Gaussian signals. If the microseismic signal is simulated ...

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Cramer Rao bounds in the estimation of time of arrival in fading channels

Cramer Rao bounds in the estimation of time of arrival in fading channels

... the time of arrival estimation in a multipath Rice and Rayleigh fading scenario, conditioned to the previous estimation of a set of propagation channels, since these channel estimates ...

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Direction of Arrival Estimation using Conventional Subspace Algorithms

Direction of Arrival Estimation using Conventional Subspace Algorithms

... spectrum estimation by suppressing the sidelobes It affords sufficient computation and increased the robustness of array structure as compared to other subspace ...real time military direction finding ...

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Direction of Arrival Estimation for Closely Spaced Signal

Direction of Arrival Estimation for Closely Spaced Signal

... Assume Dstatistically independent narrowbandfield signals are impinge on a linear array composed of M identical omni-directional sensors spaced by half wavelength. The signal number D is assume to be known or to be ...

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Sparse covariance fitting for direction of arrival estimation

Sparse covariance fitting for direction of arrival estimation

... coherence time of the angles, the position of the sources keep identical among the snapshots; the only difference between them resides in the amplitudes of the imping- ing ...

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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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Spectrum Sensing based on Direction of Arrival Estimation

Spectrum Sensing based on Direction of Arrival Estimation

... of arrival for a single ...of arrival to decipher its presence and angular ...DOA estimation involves time series analysis, spectral analysis, Eigen structures methods, linear prediction ...

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

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

... in time domain after the singular value decomposition (SVD) of the data ...DOA estimation into a problem of sparse signal recovery, and then solves it in a second order cone (SOC) ...DOA estimation ...

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Polynomial subspace decomposition for broadband angle of arrival estimation

Polynomial subspace decomposition for broadband angle of arrival estimation

... Abstract —In this paper we study the impact of polynomial or broadband subspace decompositions on any subsequent process- ing, which here uses the example of a broadband angle of ar- rival estimation technique ...

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An Improved Amplitude Comparison Based Direction of Arrival Estimation

An Improved Amplitude Comparison Based Direction of Arrival Estimation

... Abstract— The Direction of Arrival (DOA) is regarded as the best initial sorting parameter for locating enemy radar. The Direction finding (DF) systems are employed for estimating the direction of arrival ...

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On Time of Arrival Statistic of Gaussian Channel Model

On Time of Arrival Statistic of Gaussian Channel Model

... The propagation channel can be model in many ways. The one of the most popular strategies is “geometric modeling” [4]. It idealizes the multipath propagation en- vironment via a geometric abstraction of the spatial rela- ...

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

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

... The generalized weighted linear predictor approach for frequency estimation has been applied for finding the direction-of-arrival (DOA) of a single narrow-band source. The advantage of the proposed method ...

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Experimental Study of Aircraft Detection by PBR Exploiting Uncooperative Radar as Illuminator

Experimental Study of Aircraft Detection by PBR Exploiting Uncooperative Radar as Illuminator

... The uncooperative radar works on the UHF band and its signal type is LFM signal with CF agile, PW agile and PRI agile. Figure 3 shows some example batches of direct wave flown from the reference channel after ...

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 INTELLIGENT SELF TUNING PID CONTROLLER USING HYBRID IMPROVED PARTICLE 
SWARM OPTIMIZATION FOR ULTRASONIC MOTOR

 INTELLIGENT SELF TUNING PID CONTROLLER USING HYBRID IMPROVED PARTICLE SWARM OPTIMIZATION FOR ULTRASONIC MOTOR

... position estimation for whole or some sensor nodes in the network , specified the measurements of each locative connection among the ...range estimation can be acquired using various metrics such as RSS , ...

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