Research Article
A Method Based on Random Demodulator and Waveform Matching Dictionary to Estimate LFM Signal Parameter
Table 3
Comparison for different methods.
| | Signal | Sampling | Sampling frequency (MHz) | Sampling points | Compression rate | Error |
| | Signal a | Nyquist | 1000 | 1000 | 1 : 1 | / | | RD | 40 | 40 | 25 : 1 | 1.124 | | RD + WM | 40 | 40 | 25 : 1 | 0 |
| | Signal b | Nyquist | 1000 | 1000 | 1 : 1 | / | | RD | 40 | 40 | 25 : 1 | 1.097 | | RD + WM | 40 | 40 | 25 : 1 | 0 |
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