A Wireless Sensor Network with Enhanced Power Efficiency and Embedded Strain Cycle Identification for Fatigue Monitoring of Railway Bridges

Table 2

Rms of noise with a 120  strain gage.

Frequency [Hz]	Resistors  and	Rms noise [ADC out]	Rms noise [bits]	Rms noise [µm/m]
242	On	737	9.5	1.4
	Off	311	8.3	0.6
123	On	532	9.1	1.0
	Off	216	7.8	0.4
62	On	427	8.7	0.8
	Off	191	7.6	0.4