db EMTTOOL dbz

EMTTOOL >> EMTTOOL > dbp

dbp

polar gain plot in dB

Calling Sequence

dbp(ph, g, Rm)
dbp(ph, g) (Rm=40 dB by default)

Parameters

th

polar angles over [0,pi]

g

gain at th (g is in absolute units)

Rm

minimum dB level (Rm = 40 dB by default)

Description

dbp(ph, g, Rm) creates polar gain plot in dB. makes polar plot of gdb=10*log10(g) versus th, omnidirectionality in azimuthal angle phi is assumed, gain plot at left side over [-pi,0] is added symmetrically, max-g is assumed to be unity (e.g., as in the output of gain1d), grid circles at Rm/4, 2Rm/4, 3Rm/4 are added and labeled.

Examples

add sample pgm

See Also

Author

db EMTTOOL dbz