Improving the chromatic dispersion tolerance in long-haul fibre links using the coherent optical orthogonal frequency division multiplexing [PDF]
, 2010 Numerical simulations of the coherent optical orthogonal frequency division multiplexing modems are undertaken to investigate the effect of the adaptive modulation, the number of sub-carriers, the cyclic prefix (CP) length, the clipping ratio ...
Ghassemlooy, Zabih +5 more
core +1 more source
IEEE Open Journal of Antennas and PropagationTraditional multi-layer frequency selective absorbers (FSAs) with antenna circuit suffer from inter-layer interference, which can adversely affect the in-band frequency bandwidth of wireless communication (fractional bandwidth FBW <20% in ...
Youquan Wen +4 more
doaj +1 more source
Modeling and Analysis of Microwave Emission from Multiscale Soil Surfaces Using AIEM Model
Remote Sensing, 2022 Natural rough surfaces have inherent multiscale roughness. This article presents the modeling and analysis of microwave emission from a multiscale soil surface.
Ying Yang, Kun-Shan Chen, Rui Jiang
doaj +1 more source
High-Frequency Modulation Spectroscopy with a THz Quantum-Cascade Laser
, 2013 A terahertz absorption spectrometer with a quantum-cascade laser (QCL) for high-resolution molecular spectroscopy is realized. The spectrometer is based on highfrequency (up to 50 MHz) modulation of the QCL frequency.
H.-W. Hubers +11 more
core +1 more source
Circadian and homeostatic modulation of sleep spindles in the human electroencephalogram [PDF]
, 2004 Sleep spindles are transient EEG oscillations of about 12-16 Hz. Together with slow waves, they hallmark the human non-REM sleep EEG. Sleep spindles originate in the thalamus and are suggested to have a sleep protective function by reducing sensory ...
Knoblauch, Vera
core +1 more source
Modulation-frequency acts as a primary cue for auditory stream segregation
, 2013 In our surrounding acoustic world sounds are produced by different sources and interfere with each other before arriving to the ears. A key function of the auditory system is to provide consistent and robust descriptions of the coherent sound groupings ...
Alexandra Bendixen +9 more
core +1 more source
Design and Implementation of Solar OLED Lighting Driver Circuit with Frequency Modulation Control
Energies, 2020 This paper proposes a single-stage single-ended primary inductor converter (SEPIC) converter circuit, which is applied to the organic light-emitting diodes (OLED) driver circuit.
Zhong-Rong Lin, Huang-Jen Chiu
doaj +1 more source
Area spectral efficiency of soft-decision space–time–frequency shift-keying-aided slow-frequency-hopping multiple access [PDF]
, 2012 Slow-frequency-hopping multiple access (SFHMA) can provide inherent frequency diversity and beneficially randomize the effects of cochannel interference.
Ngo, Hoang Anh +3 more
core +1 more source
Orthogonal Time Frequency Space (OTFS) Modulation Based Radar System [PDF]
International Radar Conference, 2019 Orthogonal time frequency space (OTFS) modulation was proposed to tackle the destructive Doppler effects in wireless communications, with potential applications to many other areas.
P. Raviteja +3 more
semanticscholar +1 more source
Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Objective To compare the efficacy and safety of roxarestat versus recombinant human erythropoietin (rhEPO) in the management of renal anemia in patients undergoing maintenance hemodialysis. Methods This was a prospective, open‐label, randomized controlled trial.
Lingling Chen, Junjie Zhu, Qiaonan Ge
wiley +1 more source