Use of the C-Band Microwave Link to Distinguish between Rainy and Dry Periods

Table 1

Classification labels for 30-day test data.

Label	Information entropy (bit)	Standard deviation (dB)	Number of days	Rainy/no rain
1	≤0.6	≤0.5	13	No rain
2	Information entropy >0.6 or standard deviation >0.5		7	No rain
3	Information entropy <0.6 or standard deviation <0.5		4	Rainy
4	≥0.6	≥0.5	6	Rainy