那位有wgrass软件,或者是WSERIES,或者是SWIND B7 _: A9 U) X& o ! m; l6 Z! v2 L( D. b. V, M3 s9 T$ m : B* f8 t0 q) a# y/ u: x1 mTwo computer programs designated as WSERIES % D6 E3 r2 E" F) rand SWIND have been developed at the University 6 s4 m6 w k4 |3 x0 `4 Gof Saskatchewan based on the principles outlined in * R( C# N" ^1 y/ Y
Sections 2.1-2.4. The first program WSERIES is used 0 y( J- q" l( g3 Rto establish the time series model of wind speed and : A) c( T$ j" Z* {7 [check the feasibility of the model from the mathe- * A! @1 W- F2 ^% ~) c$ |matical point of view. The second program SWIND , y; ^5 T6 C% N' h1 i
is used to simulate the wind speed according to the $ [% B3 j: f0 N& H& z
established model, thus providing the statistical 5 ]8 `( _% \7 S5 ^
properties of the simulated wind speed in order to 9 M# V4 O5 i# o P
compare them with those obtained from the actual 1 ~5 ]6 ~5 U, G, _8 t3 E
wind speed when determining the feasibility of the 2 g& u; z( B, P) p
fitted model. 2 F7 _" d' ~* |$ ^4 n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