Results 41 to 50 of about 1,160,559 (367)
Regular and irregular modulation of frequencies in limit cycle oscillator networks [PDF]
, 2009 Frequency modulation by perturbation is the essential trait that differentiates limit cycle oscillators from phase oscillators. We studied networks of identical limit cycle oscillators whose frequencies are modulated sensitively by the change of their amplitudes, and demonstrated that the frequencies sustainably take distributed values. We observed two
arxiv +1 more source
Room Temperature DNP of Diamond Powder Using Frequency Modulation [PDF]
, 2022 Dynamic nuclear polarization (DNP) is a method of enhancing NMR signals via the transfer of polarization from electron spins to nuclear spins using on-resonance microwave (MW) irradiation. In most cases, monochromatic continuous-wave (MCW) MW irradiation is used.
arxiv +1 more source
Sensors, 2019 As a crucial and critical factor in monitoring the internal state of an engine, cylinder pressure is mainly used to monitor the burning efficiency, to detect engine faults, and to compute engine dynamics.
Qiming Wang +3 more
doaj +1 more source
The FMM Approach to Analyze Biomedical Signals: Theory, Software, Applications and Future
Mathematics, 2021 Oscillatory systems arise in the different biological and medical fields. Mathematical and statistical approaches are fundamental to deal with these processes.
Cristina Rueda +3 more
doaj +1 more source
Joint Acoustic and Modulation Frequency
EURASIP Journal on Advances in Signal Processing, 2003 There is a considerable evidence that our perception of sound uses important features which is related to underlying signal modulations. This topic has been studied extensively via perceptual experiments, yet there are few, if any, well-developed signal ...
Les Atlas, Shihab A. Shamma
doaj +1 more source
Axial Error of Spindle Measurements Using a High-Frequency-Modulated Interferometer
Crystals, 2021 In this paper, a novel, compact, and high-precision axial error measurement using a frequency-modulated interferometer is developed. Normally, heterodyne interferometers are a powerful system for small displacement measurements due to their property of ...
Thanh-Trung Nguyen +3 more
doaj +1 more source
Non-linear frequency and amplitude modulation of a nano-contact spin torque oscillator
, 2010 We study the current controlled modulation of a nano-contact spin torque oscillator. Three principally different cases of frequency non-linearity ($d^{2}f/dI^{2}_{dc}$ being zero, positive, and negative) are investigated.
Fred Mancoff +6 more
core +1 more source
Multiple range imaging camera operation with minimal performance impact [PDF]
, 2010 Time-of-flight range imaging cameras operate by illuminating a scene with amplitude modulated light and measuring the phase shift of the modulation envelope between the emitted and reflected light.
Cree, Michael J. +3 more
core +2 more sources
FoxO1 signaling in B cell malignancies and its therapeutic targeting
FEBS Letters, EarlyView.FoxO1 has context‐specific tumor suppressor or oncogenic character in myeloid and B cell malignancies. This includes tumor‐promoting properties such as stemness maintenance and DNA damage tolerance in acute leukemias, or regulation of cell proliferation and survival, or migration in mature B cell malignancies.
Krystof Hlavac +3 more
wiley +1 more source
Wide-band frequency modulation of a terahertz intrinsic Josephson junction emitter of a cuprate superconductor [PDF]
arXiv, 2023 Communication using terahertz (~10^12 Hz) electromagnetic waves is critical for developing 6th-generation wireless network infrastructures. Conflictions between stable radiation and the modulation frequency of terahertz sources impede the superposing of transmitting signals on carrier waves.
arxiv