Results 51 to 60 of about 43,068 (161)
Parasitic photon analysis in sum frequency generation using a bulk PPLN crystal
Journal of the European Optical Society-Rapid PublicationsRecent developments in quantum technologies involving atomic systems highlight the need for complex optical waveforms at visible wavelengths, where available wideband modulation devices able to handle high optical power are hard to obtain.
Segur Flora +5 more
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Statistical Angular Resolution Limit for Ultrawideband MIMO Noise Radar
International Journal of Antennas and Propagation, 2015 The two-dimensional angular resolution limit (ARL) of elevation and azimuth for MIMO radar with ultrawideband (UWB) noise waveforms is investigated using statistical resolution theory.
Xiaoli Zhou +4 more
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Impact of waveform systematics and Gaussian noise on the interpretation of GW231123
Physical Review D18 pages, 11 ...
S. Bini +3 more
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Full Waveform Ambient Noise Inversion
, 2019 This thesis deals with the development and application of a novel method for seismic interferometry, referred to as full waveform ambient noise inversion. It incorporates the heterogeneous nature of ambient noise sources in space and frequency, and models the full wave propagation physics.
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Digital Communications and NetworksTerahertz (THz) wireless communication has been recognized as a powerful technology to meet the ever-increasing demand of ultra-high rate services.
Dongxuan He +5 more
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Results in EngineeringCurrently, the driving waveforms of existing stick-slip piezoelectric actuators are mostly sawtooth or modified sawtooth waveforms. The steep descending edge of the sawtooth waveform causes vibrations and backward motion, significantly limiting their ...
Siyuan Xing +6 more
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Peak detection in intracranial pressure signal waveforms: a comparative study
BioMedical Engineering OnLineBackground The monitoring and analysis of quasi-periodic biological signals such as electrocardiography (ECG), intracranial pressure (ICP), and cerebral blood flow velocity (CBFV) waveforms plays an important role in the early detection of adverse ...
Miaomiao Wei +3 more
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Discriminating Landslide Waveforms in Continuous Seismic Data Using Power Spectral Density Analysis
Geophysical Research LettersDiscriminating landslides from other events in seismic records is challenging due to unclear phases and overlapped frequency content. We analyze the seismic waveform power spectral density (PSD) and its skewness to discriminate landslides from ...
Rajesh Rekapalli +2 more
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Automatic LPI radar waveform recognition of overlapping signals based on vision language model
Scientific ReportsLow probability of intercept (LPI) microwave waveforms are commonly utilized in multiple radar systems. Identifying precisely the modulation formats of LPI waveform is of importance in complex electromagnetic environment.
Pengkun Yang +4 more
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Acoustic Emission Localization in Steel Pipes Through Entropy-information Analysis
Chemical Engineering TransactionsThe present study aims to introduce an innovative entropy-based denoising technique to enhance the accuracy of TDoA (Time Difference of Arrival) in source localization techniques based on acoustic emissions (AE).
Denis Bogomolov +8 more
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