Information Entropy- and Average-Based High-Resolution Digital Storage Oscilloscope

Table 6

Comparisons of experiment results.

Experiment number	Method	SNR (dB)	Effective number of bits (bits)	−3 dB bandwidth (MHz)
1	Nonoversampling,; original signal	28.0776	4.3717	43
2	Nonoversampling,; successive capture averaging	43.0485	6.8585	43
3	Nonoversampling,; successive sample averaging	44.2538	7.0588	4.3
4	Oversampling,; 10 times direct decimation	28.8353	4.4976	43
5	Oversampling,; 10 times average-based decimation	46.6242	7.4525	43
6	Oversampling,; information entropy-based data fusion and 10 times average-based decimation	59.6071	9.6092	43