378 results found.
Year: 2021, Volume: 21, Number: 3
... a dense marine traffic. In this study, improved Density Based Spatial techniques for processing AIS data as big data [8-10]. Apart Clustering of Applications with Noise and KMeans++ from that, visualization and simulation studies have been clustering algorithms have been used together with complex also carried out [11, 12]. Finally ...
Terms matched: 1 - Score: 25 - 3,105k
Year: 2020, Volume: 20, Number: 3
... 1 Abstract €” Shannon energy-based algorithm has been signal is then calculated to amplify the significant peak and implemented in peak detection method of various physiological attenuate the low amplitude noise. Shannon energy is signals including electrocardiogram, which is used to enhance commonly used in this situation rather than classical energy significant peaks for accurate peak detection. ...
Terms matched: 1 - Score: 25 - 1,290k
Year: 2017, Volume: 17, Number: 1
... [13-15]. Its application to coding Index Terms €” delta modulation, Huffman coding, predictive for low-energy sensors in sensor network systems is coding, signal to noise ratio, speech coding. discussed in [13]. An effective implementation of three- level quantization in ECG signal compression has been I. INTRODUCTION demonstrated ...
Terms matched: 1 - Score: 24 - 1,290k
Year: 2023, Volume: 23, Number: 1
... Kerala, 695016, India 2 APJ Abdul Kalam Technological University, Thiruvananthapuram, Kerala, 695016, India jeeshma@cet.ac.in 1 Abstract €” Space Vector Pulse Density Modulation noise, electromagnetic interference and torque pulsation in (SVPDM) schemes for adjustable speed drives are digital IM [7]. modulation scheme with less computational overhead. ...
Terms matched: 1 - Score: 23 - 2,403k
Year: 2017, Volume: 17, Number: 2
... Regressive Model Model based Features g s represents image intensity at site 's' and, n r and θ ƒ sƒ nr g s € r represent image noise Image Haar Wavelet › ‚ bk €1› q € ƒ m €‚ t s € 2 q bk › m ck €1› q € ƒ m ...
Terms matched: 1 - Score: 22 - 1,628k
Year: 2017, Volume: 17, Number: 2
... defined as the difference between and the measurement instruments on the system. For test estimates (V TH and R TH) and the actual Thevenin equivalent purposes, noise is added to the simulated measurements and parameters. The controlled perturbation is achieved on the represents the compounded effects of the total uncertainty. actual system by varying ...
Terms matched: 1 - Score: 22 - 1,453k
... matrix. Moreover, this block diagram is used for adequate disturbance types, which are added to the theta state of the PP and LQR controlled model. Random noise is applied to the LQR controlled model as disturbance at sample time 70, with mean 0, variance 0.05 and seed 0. Effect of the random noise ...
Terms matched: 1 - Score: 22 - 2,202k
Year: 2014, Volume: 14, Number: 4
... prediction, in terms of bit error rate interleaved coded modulation (BICM). BICM outperforms (BER) and frame error rate (FER) versus signal to noise ratio the other coded modulations in fading channels. Of course, (SNR), when they are used with high-order modulations the method has been applied to ...
Terms matched: 1 - Score: 20 - 684k
Year: 2014, Volume: 14, Number: 2
... the GPS receiver cannot produce navigation results above atmosphere, the navigation signals are not attenuated by 60 000 feet or 1000 knots. troposphere humidity. A signal to noise ratio C/N0 is high, This paper analyses requirements for a CubeSat GPS above 40 dBc €“ Hz. receiver and compares them with the requirements for ...
Terms matched: 1 - Score: 20 - 700k
Year: 2013, Volume: 13, Number: 4
... have been implemented. For the given bit rate, it is desirable to provide proposed aiming at the highest possible quality of the the highest possible signal to quantization noise ratio (SQNR) quantized speech signals along with the highest possible with reasonable complexity of a quantizer model. In order to avoid the influence of compressor function ...
Terms matched: 1 - Score: 20 - 669k