Fig.1

Principle of PSM measurement process"

Fig.2

Polarization scattering sweep frequency measurement result of a metal calibration ball with diameter of 300 mm"

Fig.3

Attitude definition of metal dihedral"

Fig.4

Layout of compact field microwave anechoic chamber and structural principle of polarization measurement system"

Fig.5

Metal dihedral angle testing status"

Fig.6

Estimation result of orthogonal polarization purity(frequency domain)"

Fig.7

Metal calibration ball test result before correction"

Fig.8

Metal calibration ball test result after correction"

Fig.9

Schematic diagram of metal dihedrals angle combination structure"

Fig.10

Fully polarized one-dimensional range profile of metal dihedral angle combination (before correction)"

Table 1

Peak values of each scattering center in one-dimensional range profiles of metal dihedral angle combinations (before correction)"

Table 2

Peak values of each scattering center in one-dimensional range profiles of metal dihedral angle combinations (after correction)"

Fig.11

Fully polarized one-dimensional range profile of metal dihedral angle combination (after correction)"

Fig.12

Outline diagram of all metal warhead-like model"

Fig.13

Two-dimensional ISAR image of metal warhead-like model(before correction)"

Fig.14

Two-dimensional ISAR image of metal warhead-like model (after correction)"