那位有wgrass软件,或者是WSERIES,或者是SWIND" ]" S3 x$ a! Q9 I: G! L
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* F, l8 K% k3 T# U9 MTwo computer programs designated as WSERIES ! X! u9 e5 Y: T0 S6 uand SWIND have been developed at the University # r7 p- Y5 Y' I) H. }of Saskatchewan based on the principles outlined in " P; F) M; V8 [Sections 2.1-2.4. The first program WSERIES is used - \- ~0 N( ]1 B' [- bto establish the time series model of wind speed and 8 o/ B' s/ O( G- ^' O
check the feasibility of the model from the mathe- ) U( L; o1 M4 }! g! ?: W* qmatical point of view. The second program SWIND + t, h/ I/ \! M- c7 b) Vis used to simulate the wind speed according to the 7 x8 K: @5 d7 j5 J3 E
established model, thus providing the statistical % n) n5 ]4 J7 x: aproperties of the simulated wind speed in order to / L% z5 S8 s& C' ncompare them with those obtained from the actual 2 [1 A4 ~% }5 d, V
wind speed when determining the feasibility of the 4 u$ e3 M7 O. m! d2 Jfitted model. , w! q; e7 S( r# h7 S, F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