Cultivated land quality early warning method based on matter-element model

Cultivated land quality early warning method based on matter-element model

The invention provides a cultivated land quality early warning method based on a matter-element model. The method comprises the following steps: constructing a cultivated land quality early warning matter element; the cultivated land quality early-warning matter element comprises a plurality of cult...

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Bibliographische Detailangaben
Hauptverfasser: LI XIAOYAN, LIU XINGNAN, LIU ZIWEI, WANG MINGCHANG, WANG FENGYAN, LENG LIANG, WANG MINSHUI
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:The invention provides a cultivated land quality early warning method based on a matter-element model. The method comprises the following steps: constructing a cultivated land quality early warning matter element; the cultivated land quality early-warning matter element comprises a plurality of cultivated land quality early-warning grades, cultivated land quality early-warning index characteristics and numerical values of the cultivated land quality early-warning index characteristics; determining a classic domain and a node domain of a cultivated land quality early warning matter element; on the basis of the cultivated land quality early warning matter element, determining different types of fuzzy lateral distance correlation functions according to a positive index and a negative index in the cultivated land quality early warning index characteristics; calculating the goodness value of each cultivated land quality early warning index feature according to the fuzzy lateral distance correlation function; and c