G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 7/295 (2006.01) G01S 7/41 (2006.01) G01S 7/483 (2006.01) G01S 7/53 (2006.01)
Patent
CA 2325697
Characteristics of a target are measured by a radar or sonar. Pulses (101, 102, 103) are transmitted and in between (X) the transmissions of pulses a signal is received which depends on the transmitted pulses and on the distribution of the characteristics measured at different ranges. The distribution at different ranges of the characteristics measured is determined by representing it by means of a substantially linear system of equations in which the variables are the values of the characteristics measured at desired ranges, and by solving the system of equations for the variables. The transmitted pulses form a cyclically repeated pulse code or a continuously changing pulse train.
On mesure les caractéristiques d'une cible avec un radar ou un sonar. Des impulsions (101, 102, 103) sont transmises et, entre (X) ces transmissions d'impulsions, un signal est reçu, lequel signal dépend des impulsions transmises et de la distribution des caractéristiques mesurées sur différentes distances. Pour déterminer la distribution sur différentes distances des caractéristiques mesurées, on la représente à l'aide d'un système d'équations sensiblement linéaire, dans lequel les variables sont les valeurs des caractéristiques mesurées sur des distances voulues, et on résout le système d'équations pour ces variables. Les impulsions transmises forment un code d'impulsions à répétition cyclique ou un train d'impulsions changeant de manière continue.
Lehtinen Markku Sakari
Sim & Mcburney
LandOfFree
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