I have made a test run using fake input data that consisted of superposition of two sine waves of different amplitudes and frequencies. Windowing method was overlapped Hann window.
The FFT size was 1800 seconds, consisting of thirty 60 second segments.
All plots are logarithmic.
| Sine wave 1 | Sine wave 2 | Sine wave 1 | Sine wave 2 | |
|
210 Hz -73 degrees amplitude=100.0 |
215 Hz -55 degrees amplitude=1.0 |
-73.0021654592 degrees Sh=2211.94682612 |
-55.0016325956 degrees Sh=22.1206254544 |
Plot A |
|
210 Hz -73 degrees amplitude=1000.0 |
210.5 Hz -55 degrees amplitude=1.0 |
-73.0021654592 degrees Sh=22119.4682612 |
-55.0016020098 degrees Sh=22.1196154167 |
Plot B |
|
210 Hz -73 degrees amplitude=1000.0 |
210.1 Hz -55 degrees amplitude=1.0 |
-73.0021654592 degrees Sh=22119.4682612 |
-55.0031567348 degrees Sh=22.1211820688 |
Plot C |
|
210 Hz -73 degrees amplitude=1000.0 |
210.05 Hz -55 degrees amplitude=1.0 |
-73.0021654592 degrees Sh=22119.4682612 |
-55.0014507781 degrees Sh=22.1192837454 |
Plot D |
|
210 Hz -73 degrees amplitude=100.0 |
210.01 Hz -55 degrees amplitude=1.0 |
-73.004748985 degrees Sh=2211.63976979 |
76.1500137584 degrees Sh=13.3285392063 | Plot E |
|
210 Hz -73 degrees amplitude=10.0 |
210.01 Hz -55 degrees amplitude=1.0 |
-73.0281313459 degrees Sh=220.885403692 |
-51.9826054014 degrees Sh=19.0569488693 | Plot F |
|
210 Hz -73 degrees amplitude=5.0 |
210.01 Hz -55 degrees amplitude=1.0 |
-73.0542822187 degrees Sh=110.288444707 |
-53.604394685 degrees Sh=20.5811041054 | Plot G |