Radar Cross Section (RCS) - MATLAB Simulations for Radar Systems Design - page 507

Example:

Plot the locus of the electric field vector for the following cases:

2π z
λ

2π z
λ

   

,() ó x ó y case1: Etz = cos ω 0 t + --------- + 3 cos ω 0 t + ---------

   

2π z
λ

2π z
λ

   

,() ó x ó y

case 2: Etz = cos ω 0 t + --------- + sin ω 0 t + ---------

   

2π z
λ

2π z
λ

π
---

   

,() ó x ó y case 3: Etz = cos ω 0 t + --------- + cos ω 0 t ++ ---------

   

2π z
λ

2π z
λ

π
---

   

,() ó x ó y case 4: Etz = cos ω 0 t + --------- + 3 cos ω 0 t ++ ---------

   

Solution :

The MATLAB program Ðexample11_1.mÑ was developed to calculate and
plot the loci of the electric fields. Figs. 11.11 through 11.14 show the desired
electric fieldsÓ loci. See listing 11.3 in Section 11.9.

Figure 11.11. Linearly polarized electric field.