Discussion of cross-axis isolation in vector atomic magnetometry via longitudinal field modulation

2021 ◽  
Author(s):  
Yingying Li ◽  
Mingxiang Ma ◽  
Yukun Luo ◽  
Yubo Xie ◽  
Jie Wang ◽  
...  
Keyword(s):  
Longitudinal Field ◽  
Atomic Magnetometry ◽  
Field Modulation ◽  
Cross Axis

scholarly journals Three-Axis Atomic Magnetometer Employing Longitudinal Field Modulation

2017 ◽  
Vol 9 (5) ◽  
pp. 1-9 ◽  
Author(s):  
Zhichao Ding ◽  
Jie Yuan ◽  
Guangfeng Lu ◽  
Yingying Li ◽  
Xingwu Long
Keyword(s):  
Longitudinal Field ◽  
Field Modulation

Investigating the Unified Motive Scales

2020 ◽  
pp. 1-5
Author(s):  
Martin Bettschart ◽  
Marcel Herrmann ◽  
Benjamin M. Wolf ◽  
Veronika Brandstätter
Keyword(s):  
Field Study ◽  
Predictive Validity ◽  
Selection Process ◽  
Police Department ◽  
Longitudinal Field ◽  
Explicit Motives ◽  
Achievement Motive

Abstract. Explicit motives are well-studied in the field of personality and motivation psychology. However, the statistical overlap of different explicit motive measures is only moderate. As a consequence, the Unified Motive Scales (UMS; Schönbrodt & Gerstenberg, 2012 ) were developed to improve the measurement of explicit motives. The present longitudinal field study examined the predictive validity of the UMS achievement motive subscale. Applicants of a police department ( n = 168, Mage = 25.11, 53 females and 115 males) completed the UMS and their performance in the selection process was assessed. As expected, UMS achievement predicted success in the selection process. The findings provide first evidence for the predictive validity of UMS achievement in an applied setting.

Positive and negative self-efficacy effects revisited: A longitudinal field study

2010 ◽  
Author(s):  
Shuhua Sun ◽  
Zhaoli Song ◽  
Vivien Kim Geok Lim ◽  
Don J. Q. Chen ◽  
Xian Li
Keyword(s):  
Field Study ◽  
Self Efficacy ◽  
Longitudinal Field

Cognitive development and tonal systems of Greek language: A comparative longitudinal field study

2011 ◽  
Author(s):  
Thalis N. Papadakis ◽  
Evdokia Lagakou ◽  
Christina Terlidou ◽  
Dimitra Vekiari ◽  
Ioannis K. Tsegos
Keyword(s):  
Cognitive Development ◽  
Field Study ◽  
Longitudinal Field ◽  
Greek Language

LONGITUDINAL FIELD µSR IN CuMn SPIN GLASSES BELOW Tf

1988 ◽  
Vol 49 (C8) ◽  
pp. C8-1035-C8-1036 ◽  
Author(s):  
H. Pinkvos ◽  
F. N. Gygax ◽  
E. Lippelt ◽  
Ch. Schwink
Keyword(s):  
Spin Glasses ◽  
Longitudinal Field

A two degrees of freedom comb capacitive-type accelerometer with low cross-axis sensitivity

2019 ◽  
Vol 13 (3) ◽  
pp. 5334-5346
Author(s):  
M. N. Nguyen ◽  
L. Q. Nguyen ◽  
H. M. Chu ◽  
H. N. Vu
Keyword(s):  
Degrees Of Freedom ◽  
Proof Mass ◽  
Vibration Modes ◽  
Electrode Structure ◽  
Element Analysis ◽  
Mechanical Coupling ◽  
Fully Differential ◽  
Mode Effects ◽  
The Finite Element Analysis ◽  
Cross Axis

In this paper, we report on a SOI-based comb capacitive-type accelerometer that senses acceleration in two lateral directions. The structure of the accelerometer was designed using a proof mass connected by four folded-beam springs, which are compliant to inertial displacement causing by attached acceleration in the two lateral directions. At the same time, the folded-beam springs enabled to suppress cross-talk causing by mechanical coupling from parasitic vibration modes. The differential capacitor sense structure was employed to eliminate common mode effects. The design of gap between comb fingers was also analyzed to find an optimally sensing comb electrode structure. The design of the accelerometer was carried out using the finite element analysis. The fabrication of the device was based on SOI-micromachining. The characteristics of the accelerometer have been investigated by a fully differential capacitive bridge interface using a sub-fF switched-capacitor integrator circuit. The sensitivities of the accelerometer in the two lateral directions were determined to be 6 and 5.5 fF/g, respectively. The cross-axis sensitivities of the accelerometer were less than 5%, which shows that the accelerometer can be used for measuring precisely acceleration in the two lateral directions. The accelerometer operates linearly in the range of investigated acceleration from 0 to 4g. The proposed accelerometer is expected for low-g applications.

scholarly journals Design and optimization of differential capacitive micro accelerometer for vibration measurement

2021 ◽  
Vol 30 (1) ◽  
pp. 19-27
Author(s):  
Kumar Gomathi ◽  
Arunachalam Balaji ◽  
Thangaraj Mrunalini
Keyword(s):  
Software Design ◽  
Proof Mass ◽  
Vibration Measurement ◽  
Design Parameters ◽  
Mechanical Sensitivity ◽  
Design And Optimization ◽  
Capacitive Accelerometer ◽  
Cross Axis ◽  
Micro Accelerometer

Abstract This paper deals with the design and optimization of a differential capacitive micro accelerometer for better displacement since other types of micro accelerometer lags in sensitivity and linearity. To overcome this problem, a capacitive area-changed technique is adopted to improve the sensitivity even in a wide acceleration range (0–100 g). The linearity is improved by designing a U-folded suspension. The movable mass of the accelerometer is designed with many fingers connected in parallel and suspended over the stationary electrodes. This arrangement gives the differential comb-type capacitive accelerometer. The area changed capacitive accelerometer is designed using Intellisuite 8.6 Software. Design parameters such as spring width and radius, length, and width of the proof mass are optimized using Minitab 17 software. Mechanical sensitivity of 0.3506 μm/g and Electrical sensitivity of 4.706 μF/g are achieved. The highest displacement of 7.899 μm is obtained with a cross-axis sensitivity of 0.47%.

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