Abstract: A radar device is described having means (10) for generating a carrier signal having a carrier frequency fT, means (12, 13, 15, 17) for generating pulses having a pulse repetition rate fPW, means (16) for splitting the carrier signal between a transmission branch and a reception branch, means (18, 19, 21, 27, 29) for delaying the pulses, means (24) for mixing the carrier signal in the reception branch with a reception signal and means (26) for integrating the mixed signal, whereby means (20, 23) for modulating the carrier signal in the transmission branch with the delayed pulses are provided and means for altering the delay in the pulses according to a predetermined code are provided. A method of suppressing interference with the functioning of a radar device is also described.

Abstract: A radar system having an arrangement for producing a code, an arrangement for modulating a transmission signal in a transmit branch, using the code, an arrangement for delaying the code, an arrangement for modulating a signal in a receive branch, using the delayed code, and an arrangement for mixing a reference signal with a receiving signal, the modulation of one of the signals being performed by an amplitude modulation (ASK; “amplitude shift keying”) and the modulation of the other signal by a phase modulation (PSK; “phase shift keying”). Furthermore, a radar system is proposed in which blanking of phase transitions is provided. Also described are methods which may advantageously be carried out, using the radar systems described herein.

Abstract: A radar device is described having means (12) for generating a first code, means (18) for modulating a transmission signal in a transmitting branch using the first code, means (32) for delaying the first code, means (20) for modulating a signal in a receiving branch using the delayed first code, and means for mixing a reference signal with a reception signal, multiple receiving channels (111, 112, . . . 11k) being provided, the receiving channels (111, 112, . . . 11k) having means (1201, 1202, . . . 120k) for generating additional codes (C1, C2, . . . Ck), the receiving channels (111, 112, . . . 11k) having means (131, 132, . . . 13k) for demodulating using the respective additional codes (C1, C2, . . . Ck), and means (15) being provided for modulating the transmission signal using at least one of the additional codes (C1, C2, . . . Ck). A method which may be implemented advantageously using the radar device described is also described.

Abstract: A radar device includes elements (10) for generating a carrier signal having a carrier frequency fT, elements (12, 14) for generating pulses with a pulse repetition frequency fPW, elements (16) for distributing the carrier signal to a transmission branch and a receiving branch, elements (20) for modulate the carrier signal in the transmission path using the undelayed pulses, elements (22) for modulating the carrier signal in the receiving branch using the delayed pulses and for generating a reference signal, elements (24) for mixing the reference signal in the receiving branch with a received signal and elements (26) for integrating the mixed signal. Elements (28, 30) are provided for binary phase shift keying (BPSK) modulation of the carrier signal and elements (32) are provided for switching the polarity of the received signal. A method for suppressing interference in a radar device is also described.

Abstract: A method of providing parameter values which pertain to the relative kinematic behavior of an object (10), in particular a first vehicle (10), and a target object (12), in particular a second vehicle (12), a conclusion being able to be drawn on the basis of the parameter values as to whether the object (10) and the target object (12) will probably collide, using the steps:

Abstract: A method and a device for acquiring and evaluating objects in the area surrounding a vehicle, in which, using at least one radar sensor, the target objects in a monitoring area are acquired, and in at least one evaluation unit the distance data and/or velocity data of the target objects are evaluated. The acquisition of the target objects takes place within a virtual barrier that can be modified in its distance from the vehicle and in its length, and, using a transmission signal of a pulse radar sensor, the receive signal reflected from the target object can be evaluated in one or more receive channels so that different locus resolutions and different dimensions with respect to the distance and the length of the virtual barrier can be achieved.

Abstract: The present invention relates to a radar system having means (12) for producing a code, means (18) for modulating a transmission signal in a transmit branch, using the code, means (32) for delaying the code, means (20) for modulating a signal in a receive branch, using the delayed code, and means (26) for mixing a reference signal with a receiving signal, the modulation of one of the signals being performed by an amplitude modulation (ASK; “amplitude shift keying”) and the modulation of the other signal by a phase modulation (PSK; “phase shift keying”). Furthermore, a radar system is proposed in which blanking of phase transitions is provided. The present invention also relates to methods which may advantageously be carried out, using the radar systems according to the present invention.

Abstract: A method and a device are proposed for acquiring and evaluating objects in the surrounding area of a vehicle, in which, using at least one radar sensor (2), the target objects (5, 6; 10) in a monitoring area (1) are acquired, and in at least one evaluation unit the distance data and/or velocity data of the target objects (5, 6; 10) are evaluated. The acquisition of the target objects takes place within a virtual barrier (4; 4.1, 4.2) that can be modified in its distance from the vehicle (3) and in its length (&Dgr;xVB), and, using a transmission signal of a pulse radar sensor (2), the receive signal reflected from the target object (5, 6; 10) can be evaluated in one or more receive channels (20, 21) in such a way that different locus resolutions and different dimensions with respect to distance and length (&Dgr;xVB) of the virtual barrier (4; 4.1, 4.2) can be achieved.