Get Advances in Waveform-Agile Sensing for Tracking PDF

By Sandeep Prasad Sira, Antonia Papanreou-Suppappola, Darryl Morrell

ISBN-10: 159829671X

ISBN-13: 9781598296716

Contemporary advances in sensor expertise and data processing have enough money a brand new flexibility within the layout of waveforms for agile sensing. Sensors are actually constructed being able to dynamically select their transmit or obtain waveforms so as to optimize an aim fee functionality. This has uncovered a brand new paradigm of important functionality advancements in lively sensing: dynamic waveform version to surroundings stipulations, aim constructions, or details good points. The manuscript presents a evaluation of modern advances in waveform-agile sensing for aim monitoring purposes. A dynamic waveform choice and configuration scheme is built for 2 energetic sensors that song one or a number of cellular goals. an in depth description of 2 sequential Monte Carlo algorithms for agile monitoring are awarded, including proper Matlab code and simulation reviews, to illustrate some great benefits of dynamic waveform model. The paintings can be of curiosity not just to practitioners of radar and sonar, but in addition different functions the place waveforms could be dynamically designed, reminiscent of communications and biosensing. desk of Contents: Waveform-Agile goal monitoring program formula / Dynamic Waveform choice with program to Narrowband and Wideband Environments / Dynamic Waveform choice for monitoring in muddle / Conclusions / CRLB review for Gaussian Envelope GFM Chirp from the anomaly functionality / CRLB review from the complicated Envelope

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Each particle consists of a concatenation of the states of each individual target and is thus a 48 CHAPTER 4. DYNAMIC WAVEFORM SELECTION FOR TRACKING IN CLUTTER 4S × 1 vector. When multiple targets are to be tracked in the presence of clutter, the measurementto-target association must also be estimated. 3 for a single target in clutter, we present the likelihood function for the case of two targets in clutter. 6), the weights are proportional to the likelihood function. 3), and we need only derive p(Zki |Xk , θ ik ), the likelihood function for sensor i.

14). 16). 15). 16). When the environment causes wideband changes in the signal, we must use a processing tool to match it. In this case, the wideband ambiguity function provides a description of the correlation properties of the signal, and it is given by [48] W AFs˜ (τ, σ ) = √ ∞ σ −∞ s˜ (t)˜s ∗ (σ t + τ )dt . 17) As in the narrowband case, the Fisher information matrix is obtained by taking the negative of the second derivatives of the WBAF, evaluated at the true target delay and scale [49, 50].

Averaged over 500 Monte Carlo simulations. When more than four continuous measurements fell outside the validation gate for either sensor, the track was categorized as lost. Example 1: Linear Frequency Modulated (LFM) Chirp Only In the first example, we consider the performance of the dynamic parameter configuration algorithm when only the LFM chirp is transmitted by the sensors. Specifically, we compare the performance of configuring the duration and FM rate (or equivalently frequency sweep) of the transmitted LFM chirp to that obtained when an LFM chirp is used with fixed parameters.

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Advances in Waveform-Agile Sensing for Tracking by Sandeep Prasad Sira, Antonia Papanreou-Suppappola, Darryl Morrell

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