TY - RPRT TI - Time-Frequency Analysis of Rocket Nozzle Wall Pressures During Start-up Transients AU - Baars, Woutijn J. AU - Tinney, Charles E. AU - Ruf, Joseph H. PY - 2011 UR - https://ntrs.nasa.gov/citations/20120001479 ID - 20120001479 ER -