那位有wgrass软件,或者是WSERIES,或者是SWIND + \$ H) g& j: s% t: d 1 z. m1 Y2 k) v0 P& {) \; o 2 ?! s5 T2 k4 y2 iTwo computer programs designated as WSERIES 8 n& X( h3 m& U* S, I5 q3 ^, ]0 Y
and SWIND have been developed at the University 8 b! F+ Y8 R; o# L* D
of Saskatchewan based on the principles outlined in & ^/ h7 N2 ?$ K1 ZSections 2.1-2.4. The first program WSERIES is used 8 Z: ]$ G ^7 I0 M
to establish the time series model of wind speed and ; n& O2 n+ y& d+ }( E
check the feasibility of the model from the mathe- 1 R+ T% O) {* H
matical point of view. The second program SWIND 6 _; a R: ~; U* K4 V1 F% o
is used to simulate the wind speed according to the 1 x D2 d# Q6 s ?established model, thus providing the statistical % V5 m+ V* r( K6 ?$ C2 { r4 z
properties of the simulated wind speed in order to & ?1 p% }) R: o, m* e2 P/ B+ y5 Dcompare them with those obtained from the actual B$ U0 Z7 N5 }wind speed when determining the feasibility of the : p. Y$ ?5 r- hfitted model. 1 G& u A' z+ ]3 ~这些软件是加拿大的Saskatchewan大学编写的软件,用于风速模型ARMA的定阶计算和预测风速,各位帮忙找找