Iyo inoshanda siyana yeamicrowave antennazvinoenderana neiyo frequency bhendi, kuwana, uye mamiriro ekushandisa. Pazasi pane kuparara kwehunyanzvi kweakajairika antenna marudzi:
1. Frequency Band & Range Correlation
- E-band Antenna (60–90 GHz):
Pfupi-renji, yakakwirira-inongedzo yekubatanidza (1-3 km) ye5G backhaul uye mauto comms. Atmospheric attenuation inosvika 10 dB/km nekuda kwekutorwa kweokisijeni. - Ka-band Antenna (26.5–40 GHz):
Satellite comms inowana 10-50 km (pasi-ku-LEO) ine 40+ dBi kuwana. Kunaya kwemvura kunogona kuderedza huwandu ne30%. - 2.60–3.95 GHzNyanga Antenna:
Mid-range yekuvhara (5-20 km) yeradar neIoT, kuenzanisa kupinda uye chiyero chedata.
2. Antenna Type & Performance
| Antenna | Typical Gain | Max Range | Shandisa Nyaya |
|---|---|---|---|
| Biconical Antenna | 2–6 dBi | <1 km (EMC bvunzo) | Short-range diagnostics |
| Standard Gain Horn | 12–20 dBi | 3–10 km | Calibration/chiyero |
| Microstrip Array | 15–25 dBi | 5–50 km | 5G base zviteshi/Satcom |
3. Range Calculation Basics
Iyo Friis transmission equation fungidziro yemhando (*d*):
d = (λ/4π) × √(P_t × G_t × G_r / P_r)
Kupi:
P_t = Kuendesa simba (semuenzaniso, 10W radar)
G_t, G_r = Tx/Rx antenna inowanikwa (semuenzaniso, 20 dBi nyanga)
P_r = Receiver senitivity (semuenzaniso, -90 dBm)
Zano Rinoshanda: Kune Ka-band satellite links, batanidza nyanga ine mari yakawanda (30+ dBi) ine yakaderera-ruzha amplifiers (NF <1 dB).
4. Miganhu Yezvakatipoteredza
Rain Attenuation: Ka-band masiginecha anorasikirwa ne3–10 dB/km mukunaya kukuru.
Beam Kupararira: A 25 dBi microstrip array pa 30 GHz ine 2.3 ° beamidth - inokodzera chaiyo-inongedzo-kune-inongedzo.
Mhedziso: Microwave antenna siyana dzinosiyana kubva <1 km (biconical EMC bvunzo) kusvika 50+ km (Ka-band satcom). Gadzirisa nekusarudza E-/Ka-bhendi antennas ekufambisa kana 2–4 GHz nyanga dzekuvimbika.
Kuti udzidze zvakawanda nezve antennas, ndapota shanya:
Nguva yekutumira: Aug-08-2025
