Estimation of Scintillation Indices: A Novel Approach Based on Local Kernel Regression Methods

<div>Phase scintillation index, <svg height="11.6726pt" id="M230" style="vertical-align:-5.52901pt" version="1.1" viewbox="-0.0498162 -6.14359 12.6443 11.6726" width="12.6443pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 386L371 388C404 383 440 378 474 378C507 378 530 411 548 455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 274Z" id="g113-240"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="565" vert-adv-y="565"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,6.76,3.132)"><path d="M552 243C552 372 474 431 385 468C378 471 378 492 382 510L419 675L401 683L345 637L224 54C173 71 118 128 118 218C118 323 174 382 270 423L255 458C130 420 24 339 24 204C24 97 93 14 213 -8L188 -131C170 -220 197 -250 217 -257L224 -254L278 -7C427 -3 552 98 552 243ZM478 228C478 124 408 37 287 40L363 405C401 395 478 336 478 228Z" id="g50-243"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="576" vert-adv-y="576"></glyph.data></g></svg> for GPS satellite PRN 23, year 2014 and DOY 50, site Tromso.</div>

International Journal of Navigation and Observation

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Figure 7

Figure 7: Estimation of Scintillation Indices: A Novel Approach Based on Local Kernel Regression Methods 