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Asymptotic Analysis of Regression Quantile Estimators for Real-Valued Chirp Signal Model
In this paper, we consider the problem of robust estimation of parameters of a 1-dimensional chirp signal model. We propose regression quantile...
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Chirp Signal Based Timing Offset Estimation for GFDM Systems
Generalized frequency division multiplexing (GFDM) is a block-based multicarrier modulation scheme that is a potential candidate for the fifth...
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A computationally efficient algorithm to estimate the parameters of a two-dimensional chirp model with the product term
Chirp signal models and their generalizations have been used to model many natural and man-made phenomena in signal processing and time series...
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Estimation of parameters of two-dimensional random amplitude chirp signal in additive noise
In this paper, we consider a two-dimensional random amplitude chirp signal model. It is assumed that the additive error is independent and...
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On Weighted Least Squares Estimators of Parameters of a Chirp Model
The least squares method seems to be a natural choice in estimating the parameters of a chirp model. But the least squares estimators are very...
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Asymptotic Properties of Least Squares Estimators and Sequential Least Squares Estimators of a Chirp-like Signal Model Parameters
Sinusoidal model and chirp model are the two fundamental models in digital signal processing. Recently, a chirp-like model was introduced by Grover...
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FMCW Chirp Frequency Error and Phase Noise Measurement
In FMCW radar systems the frequency ramp nonlinearity and the synthesizer phase noise impact the radar’s ranging precision. In this chapter, a...
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Chirp Rates Estimation for Multiple LFM Signals by DPT–SVD
To address the problem of fast and accurate chirp rates estimation for multiple linear frequency-modulated (LFM) signals, we propose a chirp rates...
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Information embedding in DFRC networks through chirp waveform diversity
We consider a dual function radar communications network and propose a waveform diversity-based approach to embed both target and scheduling data in...
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Chirp Signal Denoising Based on Convolution Neural Network
Many classic chirp signal processing algorithms may show significant performance degradation when the signal-to-noise ratio (SNR) is low. To address...
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A 10 GHz Sub-Sampling PLL Chirp Synthesizer Using a Charge-Integrating DAC
This chapter introduces QDAC-based TPM architecture for low-power, low-noise and wideband frequency modulation. The specifications of the 10 GHz...
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Spectral Efficient Neural Network-Based M-ary Chirp Spread Spectrum Receivers for Underwater Acoustic Communication
This article addresses the challenges encountered in underwater acoustic communication (UWAC) and presents a novel approach for chirp spread spectrum...
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A 16 GHz Duty-Cycled Charge Pump PLL-Based Chirp Synthesizer
In this chapter a duty cycling scheme is introduced to reduce the overall system power consumption. A CP-PLL architecture is adopted to enable a fast...
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Chirp Group Delay-Based Onset Detection in Instruments with Fast Attack
The onset of a musical note is the earliest time at which a note can be reliably detected. Detection of these musical onsets pose challenges in the...
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Photonic Generation of Arbitrary Microwave Signal Based on Tunable Optoelectronic Oscillator
Optoelectronic oscillator (OEO) provides microwave signal with very high-frequency and low-phase noise. In this paper, design of OEO is proposed...
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Chirp Z-Transform-Based Dynamic Phasor Estimator suitable for Phasor Measurement Units in Electric Grid
A chirp Z-transform (CZT)-based dynamic phasor estimation technique is proposed for enhancing the measurands of the phasor measurement unit (PMU) in...
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Estimation of LFM signal parameters using RD compressed sampling and the DFRFT dictionary
In this paper, a method combining random demodulator (RD) and discrete fractional Fourier transform (DFRFT) dictionary is suggested to directly...
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An efficient methodology to estimate the parameters of a two-dimensional chirp signal model
In various capacities of statistical signal processing two-dimensional (2-D) chirp models have been considered significantly, particularly in image...
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Quantitative detection of locomotive wheel polygonization under non-stationary conditions by adaptive chirp mode decomposition
Wheel polygonal wear is a common and severe defect, which seriously threatens the running safety and reliability of a railway vehicle especially a...
