Spatial Autocorrelation: A situation in which some parameter at any location (e.g., population density) can be predicted through a knowledge of the values of the parameter in other locations

 

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Spatial Autocorrelation: A situation in which some parameter at any location (e.g., population density) can be predicted through a knowledge of the values of the parameter in other locations

Spatial Distribution: The arrangement of individuals in a space

Spatial Frequency: (a) a vector giving the frequency components (number of cycles per unit length, kx and ky ) of a general 2D sine wave in x- and y-direction: or (b) the length of a spatial frequency vector. . . . View Full Definition

Uniform Spatial Distribution: Situation in which individuals are more evenly spread in space than would be expected on the basis of chance alone

Spatial Agnosia: Inability to recognize spatial relations; disordered spatial orientation.

Random Spatial Distribution: Situation in which individuals are randomly distributed in a space; probability of an individual's being located at any given point is the same irrespective of location in the space

Autocorrelation: The correlation of a variable with itself over successive time intervals. Sometimes called serial correlation.

Autocorrelation Function (ACF): the cross-correlation function of an image with itself. The ACF is centrosymmetric, and its highest peak is always in the origin, a shift position where both signal and noise contents of the . . . View Full Definition

Coherence (Spatial): the degree to which separate parts of the electron wave have defined phase relationships, and are able to interfere with each other in the image formation process. There exists a gradation f . . . View Full Definition

National Spatial Reference System (NSRS): A consistent national coordinate system that defines latitude, longitude, height, scale, gravity, and orientation through out the nation, and how these values change with time. The NSRS is d . . . View Full Definition