scholarly journals Design And Polarization Scattering Characteristics Of L-Shape Reflector

2020 ◽  
Author(s):  
Xiaokai Bai ◽  
Zhanling Wang
Keyword(s):  
Target Detection ◽  
Cross Section ◽  
Surface Current ◽  
Radar Cross Section ◽  
Radar Target ◽  
Cross Polarization ◽  
Polarization Component ◽  
The Cross ◽  
Jamming Effect

This paper presents a new L-shape reflector to enhance the cross-polarization radar cross section (RCS). Cross-polarization component can increase the jamming effect against the polarization radars. Such L-shape reflectors can also be used as radar tags in cars, books and so on for radar target detection. By bending the structure of traditional dipole reflector to L shape, the direction of surface current is changed, which produces the cross-polarization component. <br>

scholarly journals Design And Polarization Scattering Characteristics Of L-Shape Reflector

2020 ◽  
Author(s):  
Xiaokai Bai ◽  
Zhanling Wang
Keyword(s):  
Target Detection ◽  
Cross Section ◽  
Surface Current ◽  
Radar Cross Section ◽  
Radar Target ◽  
Cross Polarization ◽  
Polarization Component ◽  
The Cross ◽  
Jamming Effect

This paper presents a new L-shape reflector to enhance the cross-polarization radar cross section (RCS). Cross-polarization component can increase the jamming effect against the polarization radars. Such L-shape reflectors can also be used as radar tags in cars, books and so on for radar target detection. By bending the structure of traditional dipole reflector to L shape, the direction of surface current is changed, which produces the cross-polarization component. <br>

scholarly journals Radar Cross-Section Formulation of a Shell-Shaped Projectile Using Modified PO Analysis

2012 ◽  
Vol 2012 ◽  
pp. 1-9
Author(s):  
Mohammad Asif Zaman ◽  
Md. Abdul Matin
Keyword(s):  
Differential Geometry ◽  
Cross Section ◽  
Current Density ◽  
Surface Current ◽  
Radar Cross Section ◽  
Analysis Procedure ◽  
Physical Optics ◽  
Surface Current Density ◽  
Filtering Method ◽  
Good Agreement

A physical optics based method is presented for calculation of monostatic Radar Cross-Section (RCS) of a shell-shaped projectile. The projectile is modeled using differential geometry. The paper presents a detailed analysis procedure for RCS formulation using physical optics (PO) method. The shortcomings of the PO method in predicting accurate surface current density near the shadow boundaries are highlighted. A Fourier transform-based filtering method is proposed to remove the discontinuities in the approximated surface current density. The modified current density is used to formulate the scattered field and RCS. Numerical results are presented comparing the proposed method with conventional PO method. The results are also compared with published results of similar objects and found to be in good agreement.

A microstrip antenna with reduced in-band and out-of-band radar cross-section

2018 ◽  
Vol 11 (2) ◽  
pp. 199-205
Author(s):  
Jiakai Zhang ◽  
Jiachen Xu ◽  
Yan Qu ◽  
Jun Ding ◽  
Chenjiang Guo
Keyword(s):  
Cross Section ◽  
Microstrip Antenna ◽  
Ground Plane ◽  
Surface Current ◽  
Radar Cross Section ◽  
Frequency Range ◽  
Band Frequency ◽  
Frequency Bands ◽  
Antenna Surface ◽  
Working Frequency

This paper proposes a microstrip antenna with reduced in-band and out-of-band radar cross-section (RCS) by subtracting the area of weak scattered current on the ground plane. Fourteen square slots were subtracted from the ground plane, reducing in-band and out-of-band RCS while maintaining radiation performance. Modified and reference antenna surface current distributions were simulated and analyzed in radiating and scattering modes. Two antenna prototypes were fabricated and measured to verify the simulation. The proposed antenna RCS was reduced compared with the reference antenna in the frequency range 1–4.4 GHz, including in-band and out-of-band frequency bands. Maximum in-band and out-of-band RCS reduction was 16.3 dBsm at the working frequency, and 19.3 dBsm at 3.4 GHz, respectively

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