Method for separating interferering signals and computing arrival angles
Номер патента: EP1540832A1
Опубликовано: 15-06-2005
Автор(ы): Keith A. Struckman
Принадлежит: BAE Systems Information and Electronic Systems Integration Inc
Опубликовано: 15-06-2005
Автор(ы): Keith A. Struckman
Принадлежит: BAE Systems Information and Electronic Systems Integration Inc
Реферат: A method is disclosed for processing all types of received, interfering radio frequency signals corrupted by noise to extract the individual signals without having any a priori knowledge about them. Received signals are converted for eigenspace processing (25) and are subjected to repeated non-linear time domain (31) and fast Fourier transform frequency domain processing (33) that calculates eigenstream beam forming weights U. By performing calculations in eigenspace, the number of independent weights U that must be calculated is generally reduced, minimizing calculating time. Once the weights U have been calculated in eigenspace they are transformed into antenna beam forming weights W (42) that are used to extract the individual signals and to determine the angle of arrival of each of the individual signals. Further time is saved because the weights W do not have to be updated for every time slice of the received signals.
Method for determining a change in a communication signal and using this information to improve sps signal reception and processing
Номер патента: AU6229500A. Автор: Norman F. Krasner. Владелец: SnapTrack Inc. Дата публикации: 2001-02-05.