dmax EMTTOOL dslab

EMTTOOL >> EMTTOOL > dolph

dolph

find Dolph-Chebyshev array weights

Calling Sequence

[a, dph] = dolph(d, ph0, N, R)

Parameters

d

element spacing in units of lambda

ph0

beam angle in degrees (broadside ph0=90)

N

number of array elements (even or odd)

R

relative sidelobe level in dB, (e.g. R = 30)

a

row vector of array weights (steered toward ph0)

dph

3-dB beamwidth in degrees

Description

dolph(d, ph0, N, R) computes the Dolph-Chebyshev array weights. array factor is Chebyshev A(psi) = T_{N-1}(x), x = x0 * cos(psi/2)

Examples

add sample pgm

See Also

Author

Used Functions

This function uses the functions steer, poly2 and bwidth.

dmax EMTTOOL dslab