library(TTR) library(ggplot2) ### test file in.file <- file('/tmp/ofdm.bin', 'rb') sig <- readBin(in.file, double(), n=10000, size=4, endian='little') sig <- sig[seq(1, length(sig), 2)] + 1i * sig[seq(2, length(sig), 2)] pow <- abs(sig)^2 plot(SMA(pow, 1600), type='l')