نتایج جستجو برای: بیانیه strobe

تعداد نتایج: 1300  

Journal: :European Journal of Epidemiology 2011

2008
Jinghui Wu Andrew G Dempster

This paper introduces effective methods of decreasing multipath errors by utilizing strobe correlators designed for GPS coarse-acquisition (C/A) code for future modernized signals including the BOC (n,n) modulation used for GPS L1C, Galileo E1 and the GLONASS new CDMA signal. The implementation and performance of different types of strobes are compared and discussed. The strobe concept is espec...

Journal: :PLoS Medicine 2007
Jan P Vandenbroucke Erik von Elm Douglas G Altman Peter C Gøtzsche Cynthia D Mulrow Stuart J Pocock Charles Poole James J Schlesselman Matthias Egger

Much medical research is observational. The reporting of observational studies is often of insufficient quality. Poor reporting hampers the assessment of the strengths and weaknesses of a study and the generalisability of its results. Taking into account empirical evidence and theoretical considerations, a group of methodologists, researchers, and editors developed the Strengthening the Reporti...

آثار, شکرالله, ایوبی, فاطمه, جلال پور, شیلا, رحمانی, محمدرضا, رضائیان, محسن,

Background and Objective: Studies in the health sciences is comprised of observational and intervention. A major part of health sciences research has been allocated to the observational studies. Designing and doing studies based on scientific guidelines that include the entire process, leads to studies validation and also results can be generalized to the community. Thus, for standardizing ...

Journal: :Journal of neurophysiology 1998
A L Humphrey A B Saul J C Feidler

Strobe rearing prevents the convergence of inputs with different response timings onto area 17 simple cells. J. Neurophysiol. 80: 3005-3020, 1998. The preceding paper showed that the loss of direction selectivity in simple cells induced by strobe rearing reflects the elimination of spatially ordered response timing differences across the receptive field that underlie spatiotemporal (S-T) insepa...

Journal: :Journal of clinical epidemiology 2016
Koen B Pouwels Niken N Widyakusuma Rolf H H Groenwold Eelko Hak

OBJECTIVES Poor quality of reporting of confounding has been observed in observational studies prior the STrenghtening the Reporting of Observational studies in Epidemiology (STROBE) statement, a reporting guideline for observational studies. We assessed whether the reporting of confounding improved after the STROBE statement. STUDY DESIGN AND SETTING We searched MEDLINE for all articles abou...

Journal: :The Physics Teacher 2009

2000
Alexey Zhdanov Victor Veitsel Javad Ashjaee

The multipath error reduction methods described in this paper will give you an insight into further development of the so-called "strobe methods" that have been used in pseudo random noise (PRN) receivers since 1975 (see Ref.[1]). These methods already proved their high effectiveness in reducing tracking errors in spreadspectrum (PRN type) digital receivers (see Ref.[2-4]). However, it should b...

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