Survey on Spatial Interpolation Methods for Electromagnetic Spectrum Map Construction
The electromagnetic spectrum map is the basis for the precision of electromagnetic spectrum operations and the refinement of electromagnetic spectrum management.In order to sort out and review the interpolation methods in the field of electromagnetic spectrum map construction,according to the distributed sensing network architecture,the authors briefly discuss the necessity of constructing electromagnetic spectrum map,describe the basic ideas of traditional interpolation methods,intelligent interpolation methods and mixed interpolation methods in the electromagnetic spectrum map construction algorithm,compare the advantages and disadvantages of the current interpolation methods and analyze the challenges and development trends of the electromagnetic spectrum map construction method,in hope of providing ideas and references for the follow-up researches.