The radar sensor controls power of the transmitted terrain tracking signal in response to the track quality signal.

During operation an index signal is produced.

To this end, the positioning signal may correspond to the position of the vehicle, and the transmission of the positioning signal is triggered by a trigger event.

The sequence is chosen so that the tracer signal is mutually orthogonal to each other tracer signal over a preselected period.

The radar sensor produces a terrain feature signal in response to the reflected terrain tracking signal.

A closed loop radar power management system includes a radar sensor that transmits a terrain tracking signal and that receives a reflection of the terrain tracking signal.

The emission means can emit a locating signal on the emergency channel.

A transmitted light signal, such as laser light, is modulated by a data signal (12) and by a tracking signal (18).

The tracking signal (18) has a modulation depth that is substantially smaller than a peak-to-peak amplitude of the light signal.

At reception, the tracking signal is recovered from the modulated light signal and is used to determine an orientation of a receiver (24) with respect to the transmitted light signal.

Each controller provides a discrete tap steering signal that it modulates with a discrete tracer signal that takes on a preselected sequence of values.

Said spatial orientation is then stored as a reference position on the receiver/display unit (5), which stores the corresponding values of the locating signal that have been received by the locating device (6).

A dedicated tracking detector enables both a longer integration time for developing a tracking signal and decreased processing requirements for developing useful tracking information.

The countermeasure systems may be ground-based or aircraft-based.

Pet tracking systems usually consist of a small device that is attached to your dog’s collar to send the tracking signal.