Preparation
Step 0: Make a frame cache file
Step 1: Use GstLAL in your python script
Step 2: Dump lock flags from a frame cache file
Step 3: Extract channels and make a new frame file
Step 4: Add two channels and make a strain frame file
Step 5: Demodulate a calibration line
Step 6: Make FIR filters and save into a npz file
Step 7: Apply FIR filters and make a strain frame file
Step 8: Check the transfer function of FIR filters
