The Compensation Method of Vehicle Magnetic Interference for the Magnetic Gradiometer

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<g transform="matrix(.012,-0,0,-.012,11.4,9.488)"><path d="M227 744l-123 -338l-31 15l73 368q12 3 41.5 -8t36.5 -20z" id="x2032"></path></g><g transform="matrix(.012,-0,0,-.012,11.4,21.725)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g><g transform="matrix(.012,-0,0,-.012,17.111,21.725)"><path d="M244 607q0 -25 -15.5 -43t-37.5 -18q-19 0 -32 13t-13 35q0 21 15 41t39 20q20 0 32 -14t12 -34zM222 91q-29 -33 -79 -68t-75 -35q-13 0 -19 7.5t-6 31t10 65.5l62 253q5 26 -1 26q-21 0 -72 -43l-13 24q43 40 91 68t71 28q30 0 10 -78l-71 -274q-8 -30 3 -30
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</svg></td><td align="center">Before compensation <svg height="16.987499" id="M101" style="vertical-align:-3.9449pt" version="1.1" viewbox="0 0 80.974998 16.987499" width="80.974998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.012)"><path d="M162 -163h-60v866h60v-866zM309 -163h-60v866h60v-866z" id="x2016"></path></g><g transform="matrix(.017,-0,0,-.017,7.049,12.012)"><path d="M411 287h344v-25q-52 -6 -69 -27t-17 -73v-118q-48 -29 -123.5 -46t-153.5 -17q-154 0 -255 96q-100 96 -100 254q0 151 99 255q100 105 249 105q68 0 155 -35q26 -10 37.5 -13.5t22 2t14.5 12.5t16 31h27v-235h-25q-29 64 -48 92q-18 30 -48 57q-64 56 -138 56
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<g transform="matrix(.017,-0,0,-.017,34.062,12.012)"><path d="M535 230h-483v50h483v-50z" id="x2212"></path></g><g transform="matrix(.017,-0,0,-.017,47.814,12.012)"><path d="M411 287h344v-25q-52 -6 -69 -27t-17 -73v-118q-48 -29 -123.5 -46t-153.5 -17q-154 0 -255 96q-100 96 -100 254q0 151 99 255q100 105 249 105q68 0 155 -35q26 -10 37.5 -13.5t22 2t14.5 12.5t16 31h27v-235h-25q-29 64 -48 92q-18 30 -48 57q-64 56 -138 56
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</svg> (nT/m)</td><td align="center">After compensation <svg height="20.799999" id="M102" style="vertical-align:-3.9449pt" version="1.1" viewbox="0 0 70.962502 20.799999" width="70.962502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,64.562,20.738)"><path d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" id="x32"></path></g>
</svg> (nT/m)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">1</td><td align="center">53.62</td><td align="center">1.351</td></tr><tr><td align="left">2</td><td align="center">42.65</td><td align="center">2.224</td></tr><tr><td align="left">3</td><td align="center">36.15</td><td align="center">1.589</td></tr><tr><td align="left">4</td><td align="center">61.56</td><td align="center">2.062</td></tr><tr><td align="left">5</td><td align="center">41.78</td><td align="center">1.239</td></tr><tr><td align="left">6</td><td align="center">21.48</td><td align="center">1.581</td></tr><tr><td align="left">7</td><td align="center">46.24</td><td align="center">0.746</td></tr><tr><td align="left">8</td><td align="center">19.34</td><td align="center">1.382</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The results of magnetic interference compensation simulations.

Advances in Mathematical Physics

tab1

Table 1

Table 1: The Compensation Method of Vehicle Magnetic Interference for the Magnetic Gradiometer 