Results

The results for several experiments designed to test the utility of the Poisson uncertainty estimate are presented first. After this, the influence of averaging measurements on the scatter and uncertainty in the data is discussed.

• 3.1 Utility of the Poisson Uncertainty Analysis
• 3.2 Influence of Machine Settings: Integration Time and Collimator Size
• 3.2.1 Influence of Integration Time (Experiment WVP
• 3.2.2 Influence of Collimator Size (Experiment CVP
• 3.2.2.1 Experiment CVP With Water
• 3.2.2.2 Experiment CVP With Paste and Mortar
• 3.3 Influence of Averaging Procedures With the Paste and Mortar Experiments
• 3.3.1 Influence of Horizontal Measurement Spacing (Experiment XVP)
• 3.3.2 Influence of the Number of Scanning Repetitions (Experiment RVP
• 3.3.3 Influence of X-Ray Source Intensity (Experiment IVP With Paste and Mortar)
• 3.4 Detecting Edges in a Specimen (Experiment WEVP: an Epoxy Block in Water)