Results 31 to 40 of about 33,488 (251)
UAV Thrust Model Identification Using Spectrogram Analysis
Automation, 2021 This paper deals with a non-contact method to identify the aerodynamic propeller constants of the Parrot AR.Drone quadrotor. The experimental setup consists of a microphone installed in the flight arena to record audio data.
Igor Henrique Beloti Pizetta +2 more
doaj +1 more source
Comparison between the performance of spectrogram and multi-window spectrogram in digital modulated communication signals [PDF]
, 2007 In this paper,we compare the performance of spectrogram and new variation of multi-windows(WM)spectrogram for various digital modulated signals.The windows used in the MW spectrogram are conbination of Slepian sequences instead of using all the sequences.
Tan Jo, Lynn +3 more
core +1 more source
Comparison between 13C NMR experimental spectrogram and model calculation spectrogram of lignite.
, 2023 Comparison between 13C NMR experimental spectrogram and model calculation spectrogram of lignite.
Jinzhang Jia (9647878) +5 more
core +1 more source
Research on voiceprint recognition of reactor fault based on LSTM neural network
Zhejiang dianli, 2023 High-voltage reactor is one of the critical equipment to ensure the safe and stable operation of power system. As the fault of high-voltage reactor is difficult to be identified accurately， a voiceprint recognition method based on LSTM （long short-term ...
CAO Litan +3 more
doaj +1 more source
sEMG-Based Hand Gesture Recognition Using Binarized Neural Network
Sensors, 2023 Recently, human–machine interfaces (HMI) that make life convenient have been studied in many fields. In particular, a hand gesture recognition (HGR) system, which can be implemented as a wearable system, has the advantage that users can easily and ...
Soongyu Kang +5 more
doaj +1 more source
Snoring Sound Recognition Using Multi-Channel Spectrograms
Archives of AcousticsObstructive sleep apnea-hypopnea syndrome (OSAHS) is a common and high-risk sleep-related breathing disorder. Snoring detection is a simple and non-invasive method. In many studies, the feature maps are obtained by applying a short-time Fourier transform
Ziqiang YE +3 more
doaj +1 more source
Sensors, 2021 The appearance of wheezing sounds is widely considered by physicians as a key indicator to detect early pulmonary disorders or even the severity associated with respiratory diseases, as occurs in the case of asthma and chronic obstructive pulmonary ...
Juan De La Torre Cruz +5 more
doaj +1 more source
Example spectrogram and detections.
, 2021 (a) Spectrogram of 30 minutes of data with arbitrary scaling from station J53A starting at 03:30:30 UT on December 11, 2011, showing a sequence of strong Northeast Pacific blue whale calls.
William S. D. Wilcock (3749737) +1 more
core +1 more source
Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying
Advanced Engineering Materials, EarlyView.An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara +8 more
wiley +1 more source
Automatic Detection and Classification of Cough Events Based on Deep Learning
Current Directions in Biomedical Engineering, 2020 In this paper, a deep learning approach for classification of cough sound segments is presented. The architecture of the network is based on a pre-trained network and the spectrogram images of three recording channels have been extracted for the sake of ...
Hossein Tabatabaei Seyed Amir +5 more
doaj +1 more source