# Radar Signals - Levanon Nadav Levanon, Mozeson Eli

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ambiguity function fmcw phased array Phased Array System Toolbox. I have seen matlab example of ambiguity function for LFM wave,so i was wondering if we can plot Ambiguity function for frequency modulated continous wave also?? can you give me example? Best Answer. This example shows how to compute and plot the ambiguity function magnitudes for a rectangular and linear FM pulse waveform.

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2016-08-23. 6 0 0. 4.0. Other.

## Oklarhetsfunktion - Ambiguity function - qaz.wiki

Recently, two pulse trains have been widely researched as the transmitted waveforms for active sonars. The LFM-Costas pulse train was formed by modulating the lin … non-linear frequency modulated waveform, radar ambiguity function.

### Leif Eriksson - Chalmers Research

Ambiguity function Pulse compression waveforms (FM and PM) Coherent pulse trains 3 . Radar Frequencies 4 . Radar Bands LFM Phase and Frequency The ambiguity function of Linear Frequency Modulated (LFM) pulse compression signal has been discussed widely, but the ambiguity function of LFM continuous waveform (CW) is rarely heard about. In this paper, the Single Periodic Ambiguity Function (SPAF) of Symmetric Triangular Frequency Modulated Continuous Waveform (STFMCW) is analytically derived in an explicit form, and its Periodic Here in case of the LFM range resolution comes out to be 1/B which is equal to (1/0.5)= 2. Fig 5(d) shows the delay cut plot of the ambiguity function for LFM.Correspondingly, Fig 6(a) shows the ambiguity function plot for the NLFM waveform, Fig 6(b) shows the projection of the ambiguity function which is known as the contour plot. The ambiguity function of radar is defined as the model of two-dimensional cross correlation function of radar signal, which represents the result of matched filter output.

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A new kind 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 AF. Firstly, the main properties and physical meanings of the newly defined AF are investigated, the results show that this kind of AF can be seen as one generalization of the classical AF. Then, the newly defined AF is
A constant envelope LFM pulse has an ambiguity function similar to that of the square pulse, except that it is skewed in the delay-Doppler plane.

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### PDF Agila projektledningsmetoder och motivation : Varför

We strongly emphasize that the ambiguity function is determined bythe properties of the pulse and the matched filter and not any particular target scenario.To analyze the target detection efficiency, Here, Uniform PRI Linear Frequency Modulation (LFM) with length9, non-uniform PRI (increasing and decreasing order) LFM with length 9 are considered. GitHub is where people build software. More than 56 million people use GitHub to discover, fork, and contribute to over 100 million projects. A new kind 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 AF. Firstly, the main properties and physical meanings of the newly defined AF are investigated, the results show that this kind of AF can be seen as one generalization of the classical AF. Then, the newly defined AF is A constant envelope LFM pulse has an ambiguity function similar to that of the square pulse, except that it is skewed in the delay-Doppler plane. Slight Doppler mismatches for the LFM pulse do not change the general shape of the pulse and reduce the amplitude very little, but they do appear to shift the pulse in time.

## Radar Signals - Levanon Nadav Levanon, Mozeson Eli

Convolution theory used to process sig The sidelobes of the range cut of the ambiguity function of PRN waveforms are not as low as for Barker coded waveforms or for LFM waveforms. However, their ambiguity function also has no discernable ridges in range-Doppler space. The ambiguity function of PRN coded waveforms approaches what is called the thumb tack ambiguity function.

Zero-Doppler cut: For a large time-bandwidth product ( ), the first null occurs at: Chirp Waveform * Advantage of chirp: improved range resolution.