Description of symmetrical prolate ellipsoid magnetic signature parameters-Be = 50 mT, I = 70 deg, z = 200 m, q = 90 deg, j = 45 deg, a =4 m, e = 4, mr = 100
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资源简介:
The Earth magnetic field (Fig.1): BE – total magnetic flux density, BEx – x component of the Earth magnetic flux density, BEy = 0 y component of the Earth magnetic flux density, BEz – z component of the Earth magnetic flux density, I – the inclination of the Earth magnetic field.
The symmetrical prolate ellipsoid (Fig.2): L – length of the ellipsoid, a – radius of the ellipsoid, e – unidimensional coefficient, q - vertical angle, j - horizontal angle.
For each scenario there are the following files:
Ind_Bx_[BE]_[I]_[z]_[q]_[j]_[a]_[e]_[mr] Bx – component of the ellipsoid magnetic flux density [nT]
Ind_By_[BE]_[I]_[z]_[q]_[j]_[a]_[e]_[mr] By – component of the ellipsoid magnetic flux density [nT]
Ind_Bz_[BE]_[I]_[z]_[q]_[j]_[a]_[e]_[mr] Bz – component of the ellipsoid magnetic flux density [nT]
Ind_x_[BE]_[I]_[z]_[q]_[j]_[a]_[e]_[mr] x coordinate [m]
Ind_y_[BE]_[I]_[z]_[q]_[j]_[a]_[e]_[mr] y coordinate [m]
were:
BE [mT], I [deg], z [m], q [deg], j [deg], mr – relative magnetic permeability
Ind – induced magnetization of the ellipsoid
For the following parameters: Be = 50 mT, I = 70 deg, z = 200 m, q = 90 deg, j = 45 deg, a =4 m, e = 4, mr = 100
The names files are:
Ind_Bx_50_70_200_90_45_4_4_100 Bx – component of the ellipsoid magnetic flux density [nT]
Ind_By_50_70_200_90_45_4_4_100 By – component of the ellipsoid magnetic flux density [nT]
Ind_Bz_50_70_200_90_45_4_4_100 Bz – component of the ellipsoid magnetic flux density [nT]
Ind_x_50_70_200_90_45_4_4_100 x coordinate [m]
Ind_y_50_70_200_90_45_4_4_100 y coordinate [m]
地球磁场(图1):总磁通量密度(total magnetic flux density,记为BE)、地球磁通量密度的x分量(记为BEx)、地球磁通量密度的y分量(记为BEy=0)、地球磁通量密度的z分量(记为BEz),以及地球磁场倾角(inclination,记为I)。
对称长旋转椭球体(symmetrical prolate ellipsoid,图2):椭球体的长轴长度(记为L)、椭球体的半径(记为a)、一维系数(记为e)、垂直角(记为q)、水平角(记为j)。
针对每个场景,均包含以下文件:
Ind_Bx_[BE]_[I]_[z]_[q]_[j]_[a]_[e]_[mr]:椭球体磁通量密度的x分量,单位为纳特斯拉(nT)
Ind_By_[BE]_[I]_[z]_[q]_[j]_[a]_[e]_[mr]:椭球体磁通量密度的y分量,单位为纳特斯拉(nT)
Ind_Bz_[BE]_[I]_[z]_[q]_[j]_[a]_[e]_[mr]:椭球体磁通量密度的z分量,单位为纳特斯拉(nT)
Ind_x_[BE]_[I]_[z]_[q]_[j]_[a]_[e]_[mr]:x坐标,单位为米(m)
Ind_y_[BE]_[I]_[z]_[q]_[j]_[a]_[e]_[mr]:y坐标,单位为米(m)
其中各参数的单位与含义如下:BE单位为毫特斯拉(mT),I单位为度(deg),z单位为米(m),q单位为度(deg),j单位为度(deg),mr为相对磁导率(relative magnetic permeability)。Ind代表椭球体的感应磁化强度(induced magnetization)。
针对以下参数组合:BE=50 mT、I=70 deg、z=200 m、q=90 deg、j=45 deg、a=4 m、e=4、mr=100,对应的文件名分别为:
Ind_Bx_50_70_200_90_45_4_4_100:椭球体磁通量密度的x分量(nT)
Ind_By_50_70_200_90_45_4_4_100:椭球体磁通量密度的y分量(nT)
Ind_Bz_50_70_200_90_45_4_4_100:椭球体磁通量密度的z分量(nT)
Ind_x_50_70_200_90_45_4_4_100:x坐标(m)
Ind_y_50_70_200_90_45_4_4_100:y坐标(m)
提供机构:
Gdańsk University of Technology
创建时间:
2021-06-30



