“…Band 5 (4 f to 6 f) The open periodic filter can be used in this band as in Bands 4 and 6; however, other filters are available. The "Spiral" filter8 reduces or eliminates the optical beaming effect seen in straight leaky wall filters by means of a continuous multiloop H-plane bend.…”
Section: Figure 4 S-band High Pass Filtermentioning
“…Band 5 (4 f to 6 f) The open periodic filter can be used in this band as in Bands 4 and 6; however, other filters are available. The "Spiral" filter8 reduces or eliminates the optical beaming effect seen in straight leaky wall filters by means of a continuous multiloop H-plane bend.…”
Section: Figure 4 S-band High Pass Filtermentioning
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