Effect of azimuth angle and bias field on second harmonic distortion in differentially biased MR heads

1992 ◽  
Vol 28 (5) ◽  
pp. 2298-2300 ◽  
Author(s):  
R.H. Dee
Keyword(s):  
Second Harmonic ◽  
Harmonic Distortion ◽  
Bias Field ◽  
Azimuth Angle

Broadband Reduction of the Second Harmonic Distortion During Nonlinear Ultrasound Wave Propagation

2010 ◽  
Vol 36 (10) ◽  
pp. 1568-1580 ◽  
Author(s):  
Mirza Pasovic ◽  
Mike Danilouchkine ◽  
Guillaume Matte ◽  
Antonius F.W. van der Steen ◽  
Olivier Basset ◽  
...  
Keyword(s):  
Wave Propagation ◽  
Second Harmonic ◽  
Harmonic Distortion ◽  
Ultrasound Wave ◽  
Nonlinear Ultrasound

Effect of Modulation Source Properties upon Signal-To-Noise Ratios of Inelastic Electron Tunneling Spectra

1986 ◽  
Vol 40 (8) ◽  
pp. 1180-1183 ◽  
Author(s):  
F. A. Dethomas ◽  
Cecil Dybowski ◽  
Harvey S. Gold
Keyword(s):  
Electron Tunneling ◽  
Second Harmonic ◽  
Signal To Noise Ratio ◽  
Harmonic Distortion ◽  
Inelastic Electron ◽  
Signal To Noise ◽  
Noise Ratio ◽  
Inelastic Electron Tunneling ◽  
Electron Tunneling Spectroscopy ◽  
Lock In

Lock-in amplification using ac modulation and second-harmonic detection is routinely employed in such techniques as ac polarography, ac voltammetry, and inelastic electron tunneling spectroscopy (IETS). Properties of the modulation source are shown in the present IET studies to limit the obtainable signal-to-noise ratio of a spectrum. A single inelastic electron tunneling junction is used to demonstrate the effect of various commercial modulation sources on the IET spectrum of benzoic acid on alumina. With all other parameters being held constant, the signal-to-noise ratio of the IET spectrum is found to be inversely correlated with the total harmonic distortion of the modulation source.

Imaging of Magnetic Nanoparticles Using a Second Harmonic of Magnetization With DC Bias Field

2015 ◽  
Vol 51 (2) ◽  
pp. 1-4 ◽  
Author(s):  
Saburo Tanaka ◽  
Hayaki Murata ◽  
Tomoya Oishi ◽  
Yoshimi Hatsukade ◽  
Yi Zhang ◽  
...  
Keyword(s):  
Magnetic Nanoparticles ◽  
Second Harmonic ◽  
Bias Field ◽  
Dc Bias ◽  
Dc Bias Field
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