Deep Learning versus Spectral Techniques for Frequency Estimation of Single Tones: Reduced Complexity for Software-Defined Radio and IoT Sensor Communications. [PDF]
Sensors (Basel), 2021 Despite the increasing role of machine learning in various fields, very few works considered artificial intelligence for frequency estimation (FE). This work presents comprehensive analysis of a deep-learning (DL) approach for frequency estimation of ...
Almayyali HR, Hussain ZM.
europepmc +3 more sources
Highly Linear 2,5-V CMOS ΣΔ Modulator for ADSL+ [PDF]
, 2004 We present a 90-dB spurious-free dynamic range sigma–delta modulator (ΣΔM) for asymmetric digital subscriber line applications (both ADSL and ADSL+), with up to a 4.4-MS/s digital output rate.
Río, Rocío del +6 more
core +1 more source
Optimizing frequency synthesizer performance based on passive adder entrenched technique for 4G communication systems [PDF]
, 2022 Noise in 4G communication systems is a pressing current problem. There are various ways to reduce phase noise. The sigma-delta passive adder entrenched (PAE) approach was chosen for the WCDMA system because it provides a spurious level, phase noise, and ...
Jabbar, Ansam S. +2 more
core +3 more sources
Prediction of the Spectrum of a Digital Delta–Sigma Modulator Followed by a Polynomial Nonlinearity [PDF]
, 2010 This paper presents a mathematical analysis of the power spectral density of the output of a nonlinear block driven by a digital delta-sigma modulator. The nonlinearity is a memoryless third-order polynomial with real coefficients.
Hosseini, Kaveh +3 more
core +1 more source
A Digital Mode‐Matching Control System Based on Feedback Calibration for a MEMS Gyroscope
Journal of Sensors, Volume 2019, Issue 1, 2019., 2019 A digital mode‐matching control system based on feedback calibration, where two pilot tones are applied to actuate the sense mode by the robust feedback controller, is presented for a MEMS gyroscope in this paper. A dual‐mass decoupled MEMS gyroscope with the integrated electrostatic frequency tuning mechanisms, the quadrature correction electrode, and
Bo Yang +4 more
wiley +1 more source
An autonomous GNSS anti-spoofing technique [PDF]
, 2016 open3siIn recent years, the problem of Position, Navigation and Timing (PNT) resiliency has received significant attention due to an increasing awareness on threats and the vulnerability of the current GNSS signals.
Christian Wullems +2 more
core +1 more source
Switching the Magnetic Vortex Core in a Single Nanoparticle [PDF]
, 2016 Imaging and manipulating the spin structure of nano- and mesoscale magnetic systems is a challenging topic in magnetism, yielding a wide range of spin phenomena such as skyrmions, hedgehog-like spin structures, or vortices.
Alicia Forment-Aliaga +5 more
core +5 more sources
Efficient Hybrid Continuous-Time/Discrete-Time Cascade Modulators for Wideband Applications [PDF]
, 2014 This paper analyses the use of hybrid continuous-time/discrete-time cascade ΣΔ modulators for the implementation of power-efficient analog-to-digital converters in broadband wireless communication systems.
García Sánchez, Gerardo +1 more
core +2 more sources
FPGA based Novel High Speed DAQ System Design with Error Correction
, 2015 Present state of the art applications in the area of high energy physics experiments (HEP), radar communication, satellite communication and bio medical instrumentation require fault resilient data acquisition (DAQ) system with the data rate in the order
Chakrabarti, Amlan +5 more
core +1 more source
Analysing the ML‐Based Algorithms for GNSS Data Bit Synchronization and Decoding
International Journal of Antennas and Propagation, Volume 2025, Issue 1, 2025.The position, velocity, and time global navigation satellite systems are vulnerable to signal interference, distortion, jamming, and multipath, which could potentially render the entire system inoperable due to the generally weak signal strength in these conditions.
Bheki Madonsela +3 more
wiley +1 more source