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Antene Antene de toate tipurile, pentru internet wireless, satelitare si nu numai...


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Old 03.11.2011, 13:34   #1
COMAN DINU-VICE
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Default Reflector parabolic cilindric

Salut! Pentru a marii eficienta unei antene omni sau stick USB am gasit o solutie simpla de a trasa corect profilul unui reflector parabolic cilindric.La www.xahlee.org urmarim: A visual Dictionary of Special Plane Curves / Ancient curves / Parabola / Tracing a Parabola sau mai jos Parabola Point Tangent Construction. Clic pe unul din unul din ultimele doua , clic pe imagine ca apara sus bara cu unelte. Modificind punctul focal se modifica proportional si curba si marimea parabolei. Eu am construit un reflector din tabla de Al de 1mm gros. cu rezultate f. bune. Recomand confectionarea unui calibru din plexiglas sau placaj pentru a verifica curba reflectorului pe toata lungimea lui. Reflectorul trebuie indoit f. ingrijit pentru un randament bun. Spor la treaba ! Toate cele bune!!
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Old 03.11.2011, 13:37   #2
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Default Re: Reflector parabolic cilindric

Multumim de info! Ti-am mutat topicul in sectiunea Antene.
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