Ogo nke ntụ ntụ seramiiki na usoro nhịahụ na-emetụta arụmọrụ nke antenna gps ozugbo. Ihe mgbochi seramiiki a na-eji ugbu a n'ahịa bụ 25 × 25, 18 × 18, 15 × 15, na 12 × 12. Ka mpaghara patch seramiiki buru ibu, ka dielectric na-agbanwe agbanwe, na-abawanye ugboro resonant, yana mmetụta nnabata nke antenna GPS ka mma.
Igwe ọla ọcha dị n'elu antenna seramiiki nwere ike imetụta ugboro ugboro nke antenna. Igwe ihe mgbawa seramiiki GPS kacha mma bụ 1575.42MHz, mana gburugburu antenna na-emetụta ngwa ngwa, ọkachasị ma ọ bụrụ na agbakọta ya na igwe dum, a ga-edozi mkpuchi elu ọla ọcha. Enwere ike ịhazigharị ugboro nke antenna igodo GPS ka ọ nọgide na-enwe ọdịdị nke antenna igodo GPS na 1575.42MHz. Ya mere, onye na-emepụta igwe zuru oke nke GPS ga-akwadorịrị onye na-emepụta antenna mgbe ọ na-azụta antenna, ma weta ihe nlele igwe zuru oke maka nnwale.
Ebe nri na-emetụta arụmọrụ nke antenna GPS
Eriri seramiiki na-anakọta mgbama resonant site na ebe nri ma ziga ya na njedebe azụ. N'ihi ihe kpatara mgbanaka antenna dakọtara, ebe nri anaghị adịkarị n'etiti etiti antenna, mana gbanwetụrụ ntakịrị na ntụzịaka XY. Usoro nkwekọ nke impedance a dị mfe ma anaghị abawanye ọnụ ahịa, na-akpụ akpụ naanị n'akụkụ otu axis a na-akpọ antenna na-adịghị ele anya, na ịkwaga na axes abụọ a ka a na-akpọ antenna nwere akụkụ abụọ.
Mgbasa sekit na-emetụta arụmọrụ nke antenna gps
Ọdịdị na mpaghara PCB na-ebu antenna seramiiki, n'ihi ọdịdị nke nkwụghachi azụ GPS, mgbe ndabere dị 7cm x 7cm n'ala enweghị nkwụsị, enwere ike ịbawanye arụmọrụ antenna patch. Ọ bụ ezie na amachibidoro ya site na ọdịdị na nhazi, gbalịa idobe ya nke ọma Mpaghara na ọdịdị nke amplifier ahụ bụ otu. Nhọrọ nke uru nke sekit amplifier ga-adaba na uru nke azụ azụ LNA. GSC 3F nke Sirf chọrọ ka ngụkọta uru tupu ntinye mgbaàmà agaghị agafe 29dB, ma ọ bụghị ya, mgbaàmà antenna igodo GPS ga-ejubiga ókè ma nwee obi ụtọ. Eriri GPS nwere ihe anọ dị mkpa: Gain, Standing Wave (VSWR), Noise Figure, na Axial Ratio, n'ime nke a na-emesi ike nke Axial Ratio, nke bụ ihe nrịbama nke uru mgbaàmà nke igwe dum n'akụkụ dị iche iche. ihe ngosi dị mkpa nke ọdịiche. Ebe ọ bụ na a na-ekesa satịlaịtị na-enweghị usoro na mbara igwe hemispherical, ọ dị ezigbo mkpa iji hụ na antennas nwere mmetụta yiri nke ahụ n'akụkụ niile. A na-emetụta oke axial site na arụmọrụ nke antenna GPS, ọdịdị na nhazi, sekit dị n'ime nke igwe dum, na EMI.
Oge nzipu: Ọktoba 27-2022