ambiguity function
Study of the relationship between pilot whale (Globicephala melas) behaviour and the ambiguity function of its sounds
... wideband ambiguity function is used to compute the range resolution, speed resolution, Doppler tolerance, sidelobe-to-mainlobe suppression ratio of the range ambiguity function and ...
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Cognitive radar ambiguity function optimization for unimodular sequence
... cross ambiguity function was considered instead of ...the ambiguity functions of the devised waveform and the pulse train encoded with the prefixed sequence is ...
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A Novel Method for Detecting Targets on Inactive Radars Using an Adaptive Processing on the Ambiguity Function (RESEARCH NOTE)
... proper function, it is reasonable to make the cost of manufacturing such radar ...the ambiguity function and obtain the threshold for that cell, which can be used to determine actual goals among the ...
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The ambiguity function associated with the linear canonical transform
... of ambiguity function (AF) associated with the linearcanonical transform (LCT) is proposed in this article, this new AF is defined based on the LCT and the classical ...
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Generalised ambiguity function for MIMO radar systems
... Abstract—In this work a generalised signal model is presented to accommodate both narrowband and wideband signals in a multi-input multi-output (MIMO) sensor system scenarios. The derived model is then used to define a ...
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Ambiguity function for distributed MIMO radar systems
... The ambiguity function (AF) is one of most common tools used to evaluate the performance of a radar system provid- ing information regarding the resolution, estimation accuracy, probability of detection and ...
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Average Generalized Ambiguity Function Analysis for Passive Bistatic SAR Systems Using PSK Modulating Signal
... Resolution slice of average GAFs based on the length of sequence along minor axis. 4.3 The Impact of Roll-off Factor[r] ...
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Multi Spectral Coding in RADAR Signal Conditioning using Recurrent Spectral Mapping
... This approach minimizes the spectral variance by widening the spectral peak monitoring. In [6] a Fourier based estimation is presented for detecting the moment of radar coefficient in radar signals processing. This ...
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A Novel Parameter Estimation Method of the Quadratic FM Signal in Alpha stable Distribution Environment
... fractional ambiguity function basing on the fractional lower-order statistics ...correlation function is proposed and is performed by the fractional Fourier transform ...
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Low-Complexity Design of Frequency-Hopping Codes for MIMO Radar for Arbitrary Doppler
... guity function for orthogonal frequency-hopping waveforms can be extended to general values of ...the ambiguity function as well as the ...cost function has a significantly lower computational ...
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Pulse Compression Techniques for Target Detection
... LPI is the property of radar that, because of its low power, wide bandwidth, frequency variability, or other design attributes makes it difficult for it to be detected by means of a passive intercept receiver. Desirable ...
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Detection and Estimation of Multi-Component Polynomial Phase Signals by Constructing Regular Cross Terms
... high-order ambiguity function (PHAF) [13], which is the extension of HAF, improves the identification of the highest order polynomial phase coefficients by using high-order multiple transform technique and ...
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Quantitative uncertainty principles for the short time Fourier transform and the Radar ambiguity fn
... The STFT plays an important role in time-frequency analysis namely by providing an interesting way to study the local frequency spectrum of signals. Relation (1.1) shows that unlike the classical Fourier transform, the ...
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Analyzing of Non-Uniform MIMO Radar MMSE Beampattern Design
... function [24] – [26]. In [18] – [20] the author's goal is to sharpen the radar ambiguity function. For achieving this goal the authors have minimized the sidelobe of the autocorrelation and the cross ...
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Non Linear Frequency Modulated Nested Barker Codes for Increasing Range Resolution
... chosen in two ways one is 0 and another is π radians [2]. In general at receiver the echo signal is processed in matched filter to improve S/N ratio. The output is aperiodic Auto correlation function (ACF) of echo ...
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Graphical User Interface based Signal Generator for Radar/Sonar Pulse Compression Codes
... applications. Ambiguity Function (AF), Auto Correlation Function (ACF) and contour plots of the pulse compression codes are plotted via pop-up buttons without opening the m-file program because of ...
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A Robust Joint Estimation Method of Time Delay and Doppler Frequency Shift
... cross-ambiguity function is also derived to handle the joint estimation problem in the presence of impulsive noise and co-channel ...cyclic ambiguity function or generalized fractional ...
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Effects of Geometry Configurations on Ambiguity Properties for Bistatic MIMO Radar
... extended ambiguity function is defined as the coherent cumulation of the matching output of all channels, where the information of the system geometry configuration is included in the received signal ...new ...
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Essays on Learning Under Ambiguity
... Modeling learning dynamics in the context of recursive multiple-priors amounts to impos- ing a particular structure on the set of priors beyond rectangularity. Since a rectangular set of priors uniquely determines a ...
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The strength of sensitivity to ambiguity
... of ambiguity premium as a useful measure of ambiguity ...agent’s ambiguity premium is easily compared with their risk premium in terms of how much it shades off the expected value of an act, allowing ...
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