Nkọwapụta
| RM-LSA021-4R | ||
| Paramita | Nkịtị nkịtị | Nkeji |
| Oke Ugboro Ugboro | 0.2-1 | GHz |
| Impedance | 50 | ohms |
| Uru | 4 Ụdị. | dBi |
| VSWR | 1.8 Ụdị. |
|
| Mgbasa ozi | okirikiri RH |
|
| Oke Axial | <2 | dB |
| Nha | Φ440*992 | mm |
| njikọ | Ụdị N |
|
| Njikwa Ike (cw) | 300 | w |
| Njikwa Ike (elu) | 500 | w |
Antenna log-spiral bụ antenna angular angular nke a na-akọwa ókè aka ígwè ya site na usoro logarithmic spiral curves. Ọ bụ ezie na anya ya yiri Archimedean spiral, usoro mgbakọ na mwepụ ya pụrụ iche na-eme ka ọ bụrụ ezigbo "antena na-adabereghị na ugboro ugboro."
Ọrụ ya dabere na nhazi ya nke na-eme ka ọ dịkwuo mma (ebe dị n'etiti ígwè na ikuku yiri ibe ha) yana ọdịdị ya dị n'akụkụ. Mpaghara antenna na-arụ ọrụ n'otu ugboro kpọmkwem bụ mpaghara dị ka mgbaaka nwere gburugburu nke ihe dị ka otu ogologo ebili mmiri. Ka ugboro ọrụ na-agbanwe, mpaghara a na-arụ ọrụ na-agagharị nke ọma n'akụkụ ogwe aka gburugburu, mana ọdịdị ya na njirimara eletriki ya na-anọgide na-agbanwe agbanwe, na-eme ka bandwidth obosara ya dị ukwuu.
Uru dị mkpa nke antenna a bụ arụmọrụ ya nke oke bandwidth (bandwidth nke 10:1 ma ọ bụ karịa bụ ihe a na-ahụkarị) yana ikike ya nke ịgbasa ebili mmiri gburugburu nke nwere polarized. Ihe ndọghachi azụ ya bụ obere uru na mkpa ọ dị maka netwọk nri dị mgbagwoju anya. A na-ejikarị ya eme ihe n'ọtụtụ ngwa chọrọ ọrụ bandwidth, dị ka Electronic Countermeasurements (ECM), nkwukọrịta bandwidth, na sistemụ nlekota spectrum.
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