SURV1200 Lecture Notes - Lecture 1: Observational Error
2 Jun 2018
School
Department
Course
Professor
SURV 1200
Introduction to Surveying
1.Types of errors
Gross error - mistakes
Systematic error- occur in accordance with a deterministic system (equation can define, or
correct distance known error that can be corrected)
Random error-after previous errors are removed variances still repeated. No known functional
relationship.
These types of errors are addressed and analyse by using the probability model
Where
Accuracy is the true centered- Need high accuracy and high precision
Precision is the repeated results -Precision of value is quantified using standard deviations
Propagation of errors
Random Error
Systematic Error
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