Recursive sliding DFT algorithms: A review

A Chauhan, KM Singh - Digital Signal Processing, 2022 - Elsevier
This paper reviews different recursive structures of Sliding Discrete Fourier Transform
(SDFT) algorithms. Normally, a SDFT algorithm is introduced to design a filter or to compute …

Improved multi-channel interferometric fiber-optic sensor demodulation based on the Goertzel algorithm

J Zhang, W Huang, W Zhang, F Li - Optics Express, 2022 - opg.optica.org
In a multi-channel interferometric fiber-optic sensor system using space-division multiplexing
(SDM) and phase-generated-carrier (PGC) demodulation, the phase delay and phase …

Implementation of a real-time spectrum analyzer on FPGA platforms

V Iglesias, J Grajal, MA Sánchez… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Spectral analysis plays an essential role in different applications. General-purpose spectrum
analyzers are too expensive and are not appropriate for real-time applications. Therefore, a …

Fault diagnosis of misaligned hall-effect position sensors in brushless DC motor drives using a Goertzel algorithm

DA Papathanasopoulos… - 2019 IEEE 12th …, 2019 - ieeexplore.ieee.org
In this study, defective Brushless DC (BLDC) motor drives with misplaced Hall-effect position
sensors are investigated. Since position sensor misplacement results in increased torque …

非平稳信号实时谱分析算法及其FPGA 实现.

周围, 梁琦 - Journal of Chongqing University of Posts & …, 2018 - search.ebscohost.com
针对传统谱分析仪不具有实时谱检测功能且非平稳瞬态信号分析能力不足的问题ꎬ
提出一种实时谱分析方法并利用FPGA (field-programmable gate array) 平台硬件实现ꎮ …

[PDF][PDF] WSN 节点声测距TOA 值频域估计方法

孟令军, 王宏涛, 夏善红 - 电子与信息学报, 2010 - edit.jeit.ac.cn
该文研究了节点声测中TOA 值的频域估计方法, 与基于幅度检测的时域分析法相比,
低信噪比下的测距精度高. 它采用递归型的Goertzel 短时频率分析算法. 通过优化声信号频率及 …

Performance optimization of digital spectrum analyzer with Gaussian input signal

Y Hou, G Liu, Q Wang, W Xiang - IEEE Signal Processing …, 2012 - ieeexplore.ieee.org
Analog to digital converters (ADC) and cascade integrator-comb (CIC) filters are the basic
modules in a digital intermediate frequency (IF) spectrum analyzer. The optimal output …

Goertzel Algorithm Design on Field Programmable Gate Arrays For Implementing Electric Power Measurement

FW Wibowo, W Wihayati - 2023 International Conference on …, 2023 - ieeexplore.ieee.org
The Goertzel algorithm has a role in signaling to determine the modulus and phase of the
harmonic components. This algorithm has the advantage of the Discrete Fourier Transform …

Design options for DTMF detection using goertzel algorithm on reconfigurable fabric

A Arif, HM Syed, SA Jabir - 2013 3rd IEEE International …, 2013 - ieeexplore.ieee.org
In this paper we have proposed different design techniques for the Goertzel Algorithm for
dual tone multi-frequency (DTMF) detection. We have proposed parallel and sequential …

Overflow analysis in the fixed-point implementation of the first-order Goertzel algorithm for complex-valued input sequences

M Medina-Melendrez, M Arias-Estrad… - 2009 52nd IEEE …, 2009 - ieeexplore.ieee.org
The first-order Goertzel algorithm has advantages over the second-order Goertzel algorithm
for fixed-point implementations due in part to the small scaling factor required to avoid …