Miss Distance Error Analysis of Exoatmospheric Interceptors

2004 ◽  
Vol 27 (2) ◽  
pp. 283-289 ◽  
Author(s):  
Hari B. Hablani ◽  
David W. Pearson
Keyword(s):  
Error Analysis ◽  
Distance Error ◽  
Miss Distance

Miss Distance Error Analysis of Strapdown Seeker Imaging System

2013 ◽  
Vol 753-755 ◽  
pp. 1976-1979
Author(s):  
Yang Bai
Keyword(s):  
Time Delay ◽  
Measurement Error ◽  
Error Analysis ◽  
Imaging System ◽  
Line Of Sight ◽  
Tracking Errors ◽  
Error Sources ◽  
Key Factor ◽  
Time Correction ◽  
Miss Distance

Providing an exact miss distance is the goal of strapdown seeker imaging system. Real-time correction of target miss distance is always introduced. The values of miss distance are the key factor influencing exactness of LOS (line of sight) rates. Thus the miss distance needs to be stable. Three key measurement error sources of strapdown seeker imaging system are analyzed. There are imaging errors, tracking errors and time delay errors. The causes of different errors are discussed in this paper. The influence of the errors on outputting of miss distance is analyzed. The goal of image error analysis is to reduce the errors. Finally, some methods for reducing error are presented.

A Rapid Measuring Method for Roller Gear Cam Center Distance Error

2014 ◽  
Vol 697 ◽  
pp. 356-359
Author(s):  
Qing Shan Gong ◽  
Min Luo ◽  
Yue Min Wu
Keyword(s):  
Error Analysis ◽  
Measuring Method ◽  
Nc Machining ◽  
Analysis Model ◽  
Distance Error ◽  
Machining Errors ◽  
Center Distance

For the complexity of its space surface,the rapid measuring technology of machining errors for roller gear cam has always been a difficulty.In this paper, the NC machining technology of roller gear cam is introduced first, then a rapid measuring method for roller gear cam center distance error is put forward,and a error analysis model is established, last the machining experiment is done to verify the feasibility of the method.

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

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.

Error Analysis in Neuropsychological Assessment of Verbal Memory and Learning

1995 ◽  
Vol 11 (1) ◽  
pp. 21-28 ◽  
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.

Reduced model error analysis “application to synchronous machines"

1994 ◽  
Vol 4 (10) ◽  
pp. 1999-2012 ◽  
Author(s):  
Nabil Derbel ◽  
Mohamed B.A. Kamoun ◽  
Michel Poloujadoff
Keyword(s):  
Error Analysis ◽  
Model Error ◽  
Synchronous Machines ◽  
Reduced Model ◽  
Analysis Application
Sign in / Sign up

Export Citation Format

Share Document