http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
OBSERVATION DU NIVEAU DE LA MER AUTOUR DE L'ILE DE KERGUELEN
YOON, Hong-JOO,LE PROVOST, Christian 영남대학교 해양과학연구소 1998 Marine Nature Vol.6 No.1
We used ARGOS data with dt=1 hour(atmospheric pressure, bottom pressure and bottom temperature) and METEO FRACEE data with dt=3hours(atmospheric pressure and wind velocity) from 1993 to 1996 in the Kerguelen station. In order to know characteristics on the variation of sea level near the Kerguelen island in the South Indian Ocean. Inverted barometer(h_ib) had a great contribution to residual signal without tide's effect(h_detide) in all periods. For analysis between hib and hdetide : coherency was very good. Phase presented hib>hdetide in T>3 days. Difference of amplitude showed h_ib??h+detide in T>333.33 days, h_ib<h_detide in 333.33<T<142.86 days and irregularity in 142.86<T<3 days, respecctively. Oceanic signal(h_ocean) presented semiannual amplitude with 0.25cm and annual amplitude with 0.32cm. In analysis of power spectrum density, the correction of inverted barometer appeared reasonable in low frequency(T>150 days), but not in very high frequency. His was higher than h_slfor 17.13 and 7 days, it is considerated that on has the signal of resonance associated with local dyamics(relief waves).
On the Distribution of a Statistic Used for Detecting First-Order Serial Correlation
Deepak Sanjel,하형태,Serge B. Provost 한국자료분석학회 2008 Journal of the Korean Data Analysis Society Vol.10 No.1
This paper provides a simple methodology for approximating the distribution of a test statistic proposed by J. Durbin and G. S. Watson. After expressing the statistic as a ratio of quadratic forms, its exact moments are evaluated by making use of a recursive formula. Its density function is then approximated by a beta density function multiplied by a linear combination of Jacobi orthogonal polynomials. The coefficients of the linear combination are determined by making use of a moment-based methodology. An integral representation of the moments of the statistic under the alternative hypothesis is also provided. As verified by a simulation study, the approach used in this paper, which takes into account the observation matrix of explanatory variables associated with the assumed regression model, yields very accurate critical values for testing independence versus first-order serial correlation.