range rate

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range rate information
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The rate of change between the satellite and receiver The range to a satellite changes due to satellite and observer motions Range rate is determined by measuring the doppler shift of the satellite beacon carrier
Rage rate within the application is calculated using the following formula: Rdot = (Tspd * cos (Tcrse - brg) - Ospd * cos(Ocrse - brg) /*60 Rdot = Range Rate (yds/min) Tspd, Tcrse = Target course and speed (degs & yps) Ospd, Ocrse = Ownship course and speed (degs & yps) brg = Bearing to target from ownship (degs)
The rate of change of range between the satellite and receiver The range to a satellite changes due to satellite and observer motions Range rate is determined by measuring the Doppler shift of the satellite beacon carrier
Change in range per unit time In the case of a Rover traverse, if the driver is moving in a straight line away from the last Rover Nav initialization point, then the range rate is identical to the average speed If, however, the driver has been making turns to avoid craters, then the range rate will be lower than the average speed
The rate at which a radar target is changing its range with respect to the radar (in feet per second for example) Note that this rate is not the same as target velocity unless the target is moving straight toward or straight away from the radar
range rate