Installation and Manual Documentation
Document date:
CC-DA/ESR1
CR5CPCCF
18 Feb 2020
Page:
3
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and passing on rights, with us. The valid issue of this template is filed in CC-DA process landscape.
1.
General product description
The present technical customer documentation describes CR5CPCCF, for which the Robert
Bosch GmbH has the assigned responsibility. In addition, it contains noncommittal descriptions
of components and functionalities, which are not in the responsibility of Robert Bosch GmbH, but
nonetheless determine or influence the behavior and performance of the particular vehicle type
series.
1.1.
Main functions and properties of the product
1.1.1.
Principle
The CR5CP radar sensor and control unit (SCU) contains a FMCW radar transceiver operating
in the globally harmonized frequency range of 76.0 - 77.0 GHz. It senses targets by emitting many
short frequency modulated waves using the transmit antennas while receiving waves reflected by
targets using the receive antennas. Distance and relative speed are determined via beat
frequency (due to travelling time of the waves) and phase differences between ramps (due to
change of distance in short time). By using the antenna diagram the angles of departure and
arrival of the radar waves can be determined.
Using the Bosch chirp sequence radar modulation, the CR5CP allows unambiguous
determination of relative speed in a single measurement cycle. Therefore, no complex object
models are needed for ambiguity resolution.
The radar reflections (strength, distance and relative speed, angular direction, and derived
values) are basis for building a comprehensive model of the sensed environment.
