In this paper the description of the ship motion with ar model, the selection of the order of the ar model and the construction of the K steps advanced adaptive predictor are discussed.
Presently, variety improvement, increment in P, K and microelement and selection on suitable cutting period are main methods to improve yield and quality.
提高产量和品质目前人们主要是从品种改良和增施磷、钾及微量元素、选择适当刈割期等方面入手。
3
Detection frequency of straight probe and selection of K value for tilting probe are discussed .