Error analysis of the Doppler correction factor in underwater communications

The likely error in the 2θ measurement of a particular powder reflection can be bracketed by a self-consistent error analysis. To a specific observed θm value one assigns arbitrary increments {Δθm } and calculates iteratively the corresponding increments of any other θn according to the expression: \Delta \theta_{n} = \sin^{-1} {{{q \sin (\theta_{m} + \Delta \theta_{m})-\sin \theta_{n} \cos \Delta \theta_{n}}\over{\cos \theta_{n}}}}where q is the product of the square root of the ratio of the quadratic factors for (hmkmlm ) and (hnknln ) and a correction factor for refraction. By considering special coincidences for which the various Δθn 's are 0° or nil (0.000X°), one arrives at a likely bracketing interval for Δθm . Continuing this process one computes the indicated errors for the remaining reflections. The intent of the error analysis is to induce the experimenter to seek the cause(s) of the indicated errors in the 2θ determinations, and to delimit more precisely the accuracy of lattice constants of cubic or uniaxial phases.

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The O–C diagrams of minor planets − a new approach to modelling the rotation

International Astronomical Union Colloquium ◽

10.1017/s0252921100031407 ◽

1999 ◽

Vol 173 ◽

pp. 185-188

Author(s):

Gy. Szabó ◽

K. Sárneczky ◽

L.L. Kiss

Keyword(s):

Error Analysis ◽

Time Dependence ◽

Theoretical Work ◽

Minor Planet ◽

Minor Planets ◽

New Approach ◽

Preliminary Results ◽

Ccd Observations

AbstractA widely used tool in studying quasi-monoperiodic processes is the O–C diagram. This paper deals with the application of this diagram in minor planet studies. The main difference between our approach and the classical O–C diagram is that we transform the epoch (=time) dependence into the geocentric longitude domain. We outline a rotation modelling using this modified O–C and illustrate the abilities with detailed error analysis. The primary assumption, that the monotonity and the shape of this diagram is (almost) independent of the geometry of the asteroids is discussed and tested. The monotonity enables an unambiguous distinction between the prograde and retrograde rotation, thus the four-fold (or in some cases the two-fold) ambiguities can be avoided. This turned out to be the main advantage of the O–C examination. As an extension to the theoretical work, we present some preliminary results on 1727 Mette based on new CCD observations.

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Error Analysis in Neuropsychological Assessment of Verbal Memory and Learning

European Journal of Psychological Assessment ◽

10.1027/1015-5759.11.1.21 ◽

1995 ◽

Vol 11 (1) ◽

pp. 21-28 ◽

Cited By ~ 5

Author(s):

Dietmar Heubrock

Keyword(s):

Error Analysis ◽

Verbal Memory ◽

Verbal Learning ◽

Learning Disorders ◽

Memory And Learning ◽

Auditory Verbal Learning Test ◽

Additional Information ◽

Auditory Verbal Learning ◽

Accurate Picture ◽

Learning Test

Performance on a German version of the Rey Auditory-Verbal Learning Test (AVLT) was investigated for 64 juvenile patients who were subdivided in 6 clinical groups. In addition to standard evaluation of AVLT protocols which is usually confined to items recalled correctly, an error analysis was performed. Differentiating between total errors (TE), repetition errors (RE), and misnamings (ME), substantial differences between clinical groups could be demonstrated. It is argued that error analysis of verbal memory and learning enriches the understanding of neuropsychological syndromes, and provides additional information for diagnostic and clinical use. Thus, it is possible to gain a more accurate picture so that patients can be appropriately retrained, and research into the functional causes of memory and learning disorders can be intensified.

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The Vinchur correction factor for attenuated N: An extension to field methodology

PsycEXTRA Dataset ◽

10.1037/e579462009-009 ◽

1991 ◽

Author(s):

Garry L. Hughes

Keyword(s):

Correction Factor ◽

Field Methodology

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Reduced model error analysis “application to synchronous machines"

Journal de Physique III ◽

10.1051/jp3:1994253 ◽

1994 ◽

Vol 4 (10) ◽

pp. 1999-2012 ◽

Cited By ~ 1

Author(s):

Nabil Derbel ◽

Mohamed B.A. Kamoun ◽

Michel Poloujadoff

Keyword(s):

Error Analysis ◽

Model Error ◽

Synchronous Machines ◽

Reduced Model ◽

Analysis Application

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Error Analysis of Carrier Phase Positioning Using Controlled Reception Pattern Array Antennas

Proceedings of the 2017 International Technical Meeting of The Institute of Navigation ◽

10.33012/2017.14960 ◽

2017 ◽

Author(s):

Joshua Starling ◽

David M. Bevly

Keyword(s):

Error Analysis ◽

Carrier Phase ◽

Array Antennas

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Performance enhancement of normal contact ratio gearing system through correction factor

JOURNAL OF MECHANICAL ENGINEERING AND SCIENCES ◽

10.15282/jmes.13.3.2019.03.0429 ◽

2019 ◽

Vol 13 (3) ◽

pp. 5242-5258

Author(s):

R. Ravivarman ◽

K. Palaniradja ◽

R. Prabhu Sekar

Keyword(s):

Finite Element Analysis ◽

Finite Element ◽

Correction Factor ◽

Bending Strength ◽

Performance Enhancement ◽

Transmission Ratio ◽

Contact Ratio ◽

Element Analysis ◽

Normal Contact ◽

Root Region

As lined, higher transmission ratio drives system will have uneven stresses in the root region of the pinion and wheel. To enrich this agility of uneven stresses in normal-contact ratio (NCR) gearing system, an enhanced system is desirable to be industrialized. To attain this objective, it is proposed to put on the idea of modifying the correction factor in such a manner that the bending strength of the gearing system is improved. In this work, the correction factor is modified in such a way that the stress in the root region is equalized between the pinion and wheel. This equalization of stresses is carried out by providing a correction factor in three circumstances: in pinion; wheel and both the pinion and the wheel. Henceforth performances of this S+, S0 and S- drives are evaluated in finite element analysis (FEA) and compared for balanced root stresses in parallel shaft spur gearing systems. It is seen that the outcomes gained from the modified drive have enhanced performance than the standard drive.

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