Results 21 to 30 of about 220,258 (303)
Nonlinear Analysis and Control of Interleaved Boost Converter Using Real-Time Cycle to Cycle Variable Slope Compensation [PDF]
, 2017 Switched-mode power converters are inherently nonlinear and piecewise smooth systems that may exhibit a series of undesirable operations that can greatly reduce the converter's efficiency and lifetime.
Giaouris, Damian +3 more
core +2 more sources
High-contrast spectroscopy of SCR J1845-6357 B [PDF]
, 2011 Spectral characterization of sub-stellar companions is essential to understand their composition and formation processes. However, the large contrast ratio of the brightness of each object to that of its parent star limits our ability to extract a clean ...
A. Vigan +32 more
core +3 more sources
Evaluation of P-Band SAR Tomography for Mapping Tropical Forest Vertical Backscatter and Tree Height
Remote Sensing, 2021 Low-frequency tomographic synthetic aperture radar (TomoSAR) techniques provide an opportunity for quantifying the dynamics of dense tropical forest vertical structures.
Naveen Ramachandran +4 more
doaj +1 more source
Loop stability analysis of boost circuit under globally dynamic compensation strategy
The Journal of Engineering, 2018 The PFC Boost converter controlled by the mode of CCM has strong non-linearity due to the use of non-linear elements such as power switch and multipliers.
Xiaofan Wang +3 more
doaj +1 more source
Compensatory classification in spine sagittal malalignment with lumbar degeneration
BMC Musculoskeletal Disorders, 2023 Objective To generate a compensatory classification to evaluate sagittal spinal malalignment with lumbar degeneration. Methods We included 162 patients with low back pain who underwent full-length spinal radiography in our hospital from August 2019 to ...
Yu Wang +5 more
doaj +1 more source
A novel low-voltage current-limiting control strategy with improved voltage compensation
Energy Reports, 2023 By optimizing the design of the conventional low-voltage current limiting controller (VDCOL), the continuous commutation failure on the receiving end of the traditional LCC-HVDC transmission system is effectively suppressed.
Haitao Wu, Yunbin Li, Zhihe Wang
doaj +1 more source
Four‐channel self‐compensating single‐slope ADC for space environments [PDF]
Electronics Letters, 2014 A multichannel high‐resolution single‐slope analogue‐to‐digital converter (SS ADC) is presented that automatically compensates for process, voltage and temperature variations, as well as for radiation effects, in order to be used in extreme environmental conditions.
Sordo Ibáñez, Samuel +10 more
openaire +4 more sources
IEEE Access, 2019 The radome error and beam pointing error found commonly in the strapdown phased array radar seeker can cause coupling between the missile body motion and the seeker model, impacting the output precision of the seeker and causing the disturbance rejection
Shih-Yao Lin, Defu Lin, Wei Wang
doaj +1 more source
IEEE Journal of the Electron Devices Society, 2019 In this paper, we propose a compensation method for variations in the subthreshold slope (SS) and threshold voltage (Vth) of the low-temperature polycrystalline silicon thin-film transistors (LTPS TFTs) in an attempt to improve the image quality of the ...
Nack-Hyeon Keum +3 more
doaj +1 more source
BMC Musculoskeletal Disorders, 2021 Background This study aims to analyze postoperative changes of cervical sagittal curvature and to identify independent risk factors for cervical kyphosis in Lenke type 1 adolescent idiopathic scoliosis (AIS) patients.
Junyu Li +12 more
doaj +1 more source