Zheng Zhaobao. On the Effect of Systematic Errors in Block Adjustment by the Method of polynomials[J]. Geomatics and Information Science of Wuhan University, 1980, 5(2): 46-51.
Citation: Zheng Zhaobao. On the Effect of Systematic Errors in Block Adjustment by the Method of polynomials[J]. Geomatics and Information Science of Wuhan University, 1980, 5(2): 46-51.

On the Effect of Systematic Errors in Block Adjustment by the Method of polynomials

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  • Published Date: February 04, 1980
  • In a block adjustment by the method of polynomials,the author has adopted simulated photographs containing.respectively either systematic errors(affinity,parallelogram,trapezoidal,radial) or random errors(σ0=±10μm) or both.In the adjustment some typical block figures with different distribution of control points are employed.From the analyses of the result of the adjustment computation have been found:1) For the planimetric coordinate,the effect of systematic eliminated by adopting third order conformal polynomials errors can be efficiently eliminated by adopting third order conformal polynomials.2) As to the height adjustment,in order to eliminate the effect of systematic errors it is better to use the second order polynomials rather than the third order.3) The effect of systematic errors inside the block is greater than that around the block.
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