TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 CONT

A covariance matrix is generated using the echo returns. The presence of at least one target within a single range cell is detected. A plurality of consecutive pulses are transmitted in a direction of the single range cell within a sufficiently short period so that at least one target remains within the single range cell while the plurality of consecutive pulses are transmitted. An echo signal is sampled from each of the plurality of pulses. An updated covariance matrix is estimated each time the echo signal is sampled. An eigenvalue decomposition is updated each time the covariance matrix is updated. The number of targets in the single range cell is estimated, based on the updated eigenvalue decomposition.  2, record 1, English, - covariance%20matrix

Record number: 1, Textual support number: 1 OBS

covariance matrix: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  3, record 1, English, - covariance%20matrix

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 CONT

La matrice de covariance permet d'obtenir une description des propriétés diffusantes de la cible.  2, record 1, French, - matrice%20de%20covariance

Record number: 1, Textual support number: 1 OBS

matrice de covariance : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  2, record 1, French, - matrice%20de%20covariance

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

The error matrix, also called the covariance matrix, is the inverse of the second derivative matrix of the (log-likelihood or chisquare) function with respect to its free parameters, usually assumed to be evaluated at the best parameter values (the function minimum). The diagonal elements of the error matrix are the squares of the individual parameter errors, including the effects of correlations with the other parameters.  2, record 2, English, - covariance%20matrix

Record 2,  Textual support,  French

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  French

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 DEF

Alternative to the correlation matrix, the covariance matrix is used as an error model for the GPS baseline for insertion to the least squares adjustment.  1, record 4, English, - covariance%20matrix

Record number: 4, Textual support number: 1 OBS

it is also the product of a network adjustment, and reflects the precision of the adjusted coordinates.  1, record 4, English, - covariance%20matrix

Record number: 4, Textual support number: 2 OBS

Term and definition provided by the Canadian Hydrographic Service.  1, record 4, English, - covariance%20matrix

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 DEF

Solution de remplacement de la matrice de corrélation, la matrice de covariance est utilisée à titre de modèle d'erreur pour la ligne de base GPS à insérer dans la compensation par les moindres carrés. Elle est également un produit d'une compensation de réseau et reflète la précision des coordonnées compensées.  1, record 4, French, - matrice%20de%20covariance

Record 4,  Textual support,  Spanish