Signal to noise in chemical analysis.ppt

It explains about signal to noise ration in analysis's

1. Chapter 5
Signal to Noise

2. I. Signal to Noise ratio
•Measuring S/N

3. II. Sources of Noise
A.Noise categories
1. Random vs. Non-
random
2. Fundamental vs.
nonfundamental

4. B. Types of Noise
1.White noise
2.Flicker noise
3.Environmental noise

5. III. Signal to Noise Enhancement:
Software methods
1.Ensemble Averaging

6. Signal to Noise Enhancement
2. Boxcar Average

7. Signal to Noise Enhancement
3. Digital Filtering