Results 11 to 20 of about 11,947 (254)
Research and Implementation of a Demodulation Switch Signal Phase Alignment System in Dynamic Environments [PDF]
Sensors, 2023 In the space gravitational wave detection mission, inertial sensors play the role of providing an inertial reference for the laser interferometric measurement system.
Ke Xue +8 more
doaj +2 more sources
Modulation and performance of synchronous demodulation for speech signal detection and dialect intelligibility [PDF]
Open Engineering, 2023 Speech processing is one of the fundamental operations in computer science and it is particularly difficult to process and distinguish speech in different Arabic dialects when background noise is present.
Abbas Rafed Sabbar +2 more
doaj +2 more sources
Analysis of modulation and demodulation mode of voice signal in mine through-the-earth communicatio [PDF]
Gong-kuang zidonghua, 2017 According to characteristics of various modulation and demodulation modes, bit error rate of modulation modes including binary amplitude shift keying, binary frequency shift keying and binary differential phase shift keying under different demodulation ...
YIN Siyu, TAO Jinyi, LYU Ji, WU Rui
doaj +2 more sources
A low-complexity demodulation for oversampled LoRa signal [PDF]
International Journal of Mobile Network Design and Innovation, 2021 This paper deals with a method of demodulation for oversampled LoRa signal. The usual maximum likelihood (ML) based demodulation method for LoRa chirp spread spectrum (CSS) waveform is dedicated to signals sampled at Nyquist rate, whereas considering oversampled signals may improve the performance of the LoRa demodulation process. In this respect, when
Vincent Savaux (8312571)
openaire +3 more sources
PHASE SHIFT INFLUENCE RESEARCH OF THE REFERENCE OSCILLATOR SIGNAL ON THE OUTPUT SIGNAL IN HOMODYNE DEMODULATION SCHEME [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2015 Subject of Research. Important feature of homodyne demodulation method based on the arctangent function approach is the phase shift between the reference oscillator signal and the interference signal.
A. V. Volkov +4 more
doaj +3 more sources
Semi‐blind demodulation algorithm for short burst FM‐MFSK based on STFT
Electronics Letters, 2023 In the blind reception of non‐cooperative signals in short‐time burst communication, signal time domain detection is the premise and key of signal modulation parameter estimation, signal demodulation, decoding, interpretation, information acquisition and
Chunfang Gao +3 more
doaj +1 more source
End-to-End PSK Signals Demodulation Using Convolutional Neural Network
IEEE Access, 2022 Demodulation techniques are of central importance for achieving intelligent receiving. Improvement in demodulation performance enhances the overall performance of a communication system correspondingly.
Wen-Jie Chen, Jiao Wang, Jian-Qing Li
doaj +1 more source
Optimal demodulation of PAM signals [PDF]
IEEE Transactions on Information Theory, 1973 Kalman filtering theory is applied to yield an optimal causal demodulator for pulse-amplitude-modulated (PAM) signals in the presence of white Gaussian noise. The discrete-time data (or sampled continuous-time data) are assumed to be either a stationary or non-stationary Gaussian stochastic process, in general nonwhite.
John B. Moore, Priti Hetrakul
openaire +1 more source
AIP Advances, 2022 Fiber optic Fabry–Pérot sensors have been widely developed with unique advantages, such as ease of reuse, resistance to electromagnetic interference, light weight, and their ability to work in extreme environments.
Fei Feng +3 more
doaj +1 more source
Research on L-band wideband RF digital receiver and demodulator
Dianzi Jishu Yingyong, 2021 L-band radio frequency is in the range of 1 GHz~2 GHz，which is widely used in rader, communication and navigation. The main research content of this paper is to design an L-band broadband, high dynamic RF digital receiver using RF digital receiver ...
Tang Bo, Li Lu
doaj +1 more source