Why Discrete Dryden Wind Turbulence Model q wind signal is far different from continuous one

I try to compare discrete wind turbulence block and continuous wind turbulence block, find something weird Vwind(u,v,w) of two block generated can be considered as same q and r wind are also same in two blocks but p wind is different, the magnitude can be considered as same, but vibrate in a different way

All the block parameters in discrete and continuous dryden blocks are set same, the result is as follows

VEL and ROT is genereated by continuous one , VELD and ROTD is generated by discrete one, we can find p wind has a big different, is this correct? I'm afraid discrete model offered by Matlab is not rightly built.