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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1975 1
1976 2
1977 2
1978 1
1979 1
1980 1
1981 1
1983 3
1985 4
1986 2
1987 2
1988 1
1989 2
1990 3
1991 2
1992 1
1993 2
1994 3
1995 2
1996 2
1998 2
1999 2
2000 7
2001 2
2002 4
2003 7
2004 1
2005 6
2006 6
2007 7
2008 7
2009 8
2010 11
2011 12
2012 11
2013 15
2014 17
2015 17
2016 9
2017 15
2018 17
2019 23
2020 13
2021 10
2022 20
2023 16
2024 10

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281 results

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Page 1
Ion Bunching in Square-Wave-Driven Mobility Capillary Electrophoresis-Mass Spectrometry.
Tan C, Hong J, Xu W. Tan C, et al. Anal Chem. 2022 Oct 11;94(40):13682-13690. doi: 10.1021/acs.analchem.2c01134. Epub 2022 Sep 28. Anal Chem. 2022. PMID: 36170210
In this study, square waves were employed to replace this DC voltage, and the ion-bunching phenomenon was observed and characterized in both simulations and experiments. After applying a high voltage square wave, cations and anions would be bunched and concentrated …
In this study, square waves were employed to replace this DC voltage, and the ion-bunching phenomenon was observed and characterized in both …
Multi-Channel Signal-Generator ASIC for Acoustic Holograms.
Song R, Richard G, Cheng CY, Teng L, Qiu Y, Lavery MPJ, Trolier-Mckinstry S, Cochran S, Underwood I. Song R, et al. IEEE Trans Ultrason Ferroelectr Freq Control. 2020 Jan;67(1):49-56. doi: 10.1109/TUFFC.2019.2938917. Epub 2019 Sep 2. IEEE Trans Ultrason Ferroelectr Freq Control. 2020. PMID: 31484116
It comprises a cascadable 1 9 array of identical, independently controlled signal generators implemented in a 0.35- [Formula: see text] minimum-feature-size process. It can individually control the phase of a square wave on each of the nine output pads …
It comprises a cascadable 1 9 array of identical, independently controlled signal generators implemented in a 0.35- [Formula: …
Harmonic Error Cancellation for Accurate Square-wave-based Bio-Impedance Measurements.
Subhan S, Ha S. Subhan S, et al. Annu Int Conf IEEE Eng Med Biol Soc. 2018 Jul;2018:4273-4276. doi: 10.1109/EMBC.2018.8513359. Annu Int Conf IEEE Eng Med Biol Soc. 2018. PMID: 30441298
Its conventional methods using sine wave current stimulation of the tissue and sine wave demodulation of the resultant voltage provide an accurate impedance measurement, but involve bulky components and power inefficiency due to sinusoidal waveform generation and analog …
Its conventional methods using sine wave current stimulation of the tissue and sine wave demodulation of the resultant voltage provide an ac …
Precision Hall Effect magnetometer.
Rokeakh AI, Artyomov MY. Rokeakh AI, et al. Rev Sci Instrum. 2023 Mar 1;94(3):034702. doi: 10.1063/5.0131896. Rev Sci Instrum. 2023. PMID: 37012756
The exciting current of the Hall sensor has the form of an alternating-sign square wave formed by a high-speed H-bridge powered by a stable direct current. Generation of control signals, time selection of data, and their accumulation are performed usin …
The exciting current of the Hall sensor has the form of an alternating-sign square wave formed by a high-speed H-bridge powere …
Duty-Cycle Electronically Tunable Triangular/Square Wave Generator Using LT1228 Commercially Available ICs for Capacitive Sensor Interfacing.
Silapan P, Choykhuntod P, Kaewon R, Jaikla W. Silapan P, et al. Sensors (Basel). 2022 Jun 29;22(13):4922. doi: 10.3390/s22134922. Sensors (Basel). 2022. PMID: 35808410 Free PMC article.
This paper proposes a duty-cycle electronically tunable triangular/square wave generator using LT1228 commercially available ICs for capacitive sensor interfacing. ...In addition, the square wave can independently control the linear duty cycle v …
This paper proposes a duty-cycle electronically tunable triangular/square wave generator using LT1228 commercially avai …
Fourier Deconvolution Ion Mobility Spectrometry.
Hu W, Meng Q, Lu Y, Xu Y, Nwadiuso OJ, Yu J, Liu W, Jing G, Li W, Liu W. Hu W, et al. Talanta. 2022 May 1;241:123270. doi: 10.1016/j.talanta.2022.123270. Epub 2022 Feb 1. Talanta. 2022. PMID: 35124551
Multiplexing the ion packet injection with advanced signal processing is an effective method to improve both the ion throughput and signal-to-noise ratio for ion mobility spectrometry. ...To improve the performance of multiplexing ion mobility spectrometry, this stu …
Multiplexing the ion packet injection with advanced signal processing is an effective method to improve both the ion throughput and …
Design and Implementation of an Electronic Front-End Based on Square Wave Excitation for Ultrasonic Torsional Guided Wave Viscosity Sensor.
Rabani A. Rabani A. Sensors (Basel). 2016 Oct 12;16(10):1681. doi: 10.3390/s16101681. Sensors (Basel). 2016. PMID: 27754324 Free PMC article.
This paper explores the possibility of using square wave bursts as the driving signal source for the ultrasonic torsional guided wave viscosity sensor. ...This work provides the basis for design and manufacture of low cost compact standalone ultrasonic guided …
This paper explores the possibility of using square wave bursts as the driving signal source for the ultrasonic torsion …
Reversible, high-voltage square-wave pulse generator for triggering spark gaps.
Robledo-Martinez A, Vega R, Cuellar LE, Ruiz-Meza A, Guzmán E. Robledo-Martinez A, et al. Rev Sci Instrum. 2007 May;78(5):056104. doi: 10.1063/1.2737757. Rev Sci Instrum. 2007. PMID: 17552866
The generator has a nominal output voltage of 5-30 kV and a pulse duration determined by the cable's physical length. ...We present the results obtained in the implementation of the generators as well as its application to fire a large Marx generator....
The generator has a nominal output voltage of 5-30 kV and a pulse duration determined by the cable's physical length. ...We present t …
Triboelectrification-Enabled Self-Powered Data Storage.
Kuang SY, Zhu G, Wang ZL. Kuang SY, et al. Adv Sci (Weinh). 2018 Jan 5;5(2):1700658. doi: 10.1002/advs.201700658. eCollection 2018 Feb. Adv Sci (Weinh). 2018. PMID: 29619315 Free PMC article.
As a probe slides across the patterned surface, triboelectrification between the scanning probe and the patterns produces alternatively varying voltage signal in quasi-square wave. The trough and crest of the quasi-square wave signal are …
As a probe slides across the patterned surface, triboelectrification between the scanning probe and the patterns produces alternatively vary …
A square signal wave method for measurement of brain extra- and intracellular water content.
Itkis ML, Roberts JK, Ghajar JB, Hariri RJ. Itkis ML, et al. Acta Neurochir Suppl (Wien). 1994;60:574-6. doi: 10.1007/978-3-7091-9334-1_159. Acta Neurochir Suppl (Wien). 1994. PMID: 7976654
This square wave method avoids the necessity for expensive frequency control and amplitude-phase measuring devices as well as simplifying on-line data processing. In our experiments the electrical impulse was generated by a pulse generator of Macintosh …
This square wave method avoids the necessity for expensive frequency control and amplitude-phase measuring devices as well as …
281 results