TY - GEN
T1 - A Receiver for Doppler Estimation Capable Waveforms Utilizing Chirp Signature Diversity
AU - Fam, Adly T.
AU - Byrley, Alex N.
N1 - Publisher Copyright:
© 2019 IEEE.
PY - 2019/7
Y1 - 2019/7
N2 - This paper discusses a receiver for a new class of Doppler estimation capable radar waveforms formed by appending a CDMA signature to a Doppler estimation capable radar waveform in a separate frequency band. The CDMA signature is created from a sequence of modulated linear chirp functions. Reception begins by separating the radar and signature bands via a bandpass filter, digitizing, and feeding the resulting signals into separate data buffers. The receiver is time sychronized and the Doppler shift is estimated by matched filtering the radar waveform. The CDMA signature is decoded by convolving the chips with a Doppler adjusted matched filter, thresholding, sampling at the peaks, and finding the closest signature in a codebook. This paper illustrates these waveforms, their receiver, and their performance against Swerling III and IV targets, noise, and a Doppler shift.
AB - This paper discusses a receiver for a new class of Doppler estimation capable radar waveforms formed by appending a CDMA signature to a Doppler estimation capable radar waveform in a separate frequency band. The CDMA signature is created from a sequence of modulated linear chirp functions. Reception begins by separating the radar and signature bands via a bandpass filter, digitizing, and feeding the resulting signals into separate data buffers. The receiver is time sychronized and the Doppler shift is estimated by matched filtering the radar waveform. The CDMA signature is decoded by convolving the chips with a Doppler adjusted matched filter, thresholding, sampling at the peaks, and finding the closest signature in a codebook. This paper illustrates these waveforms, their receiver, and their performance against Swerling III and IV targets, noise, and a Doppler shift.
UR - https://www.scopus.com/pages/publications/85083338728
U2 - 10.1109/NAECON46414.2019.9058302
DO - 10.1109/NAECON46414.2019.9058302
M3 - Conference contribution
AN - SCOPUS:85083338728
T3 - Proceedings of the IEEE National Aerospace Electronics Conference, NAECON
SP - 684
EP - 687
BT - 2019 IEEE National Aerospace and Electronics Conference, NAECON 2019
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2019 IEEE National Aerospace and Electronics Conference, NAECON 2019
Y2 - 15 July 2019 through 19 July 2019
ER -