Matematyka Modeling ie Inżynieria
W przypadku linii telekomunikacyjnych na dużą odległość, obliczenia budżetu energetycznego
Table of Contents
Power budget calculations are essential for designing reliable long-distance companication links. They determinate whether thee transmitted signal will reach thee receiver with designant confident confident for all loses and gains alongh thee path. Accurate calculations help ensure optimal performance and prevent communicaton fauls.
Understanding Power Budget Components
Te power budget involves serelal key contents: transmitter power, cable and connektor losses, atmosferic losses, and receiver sensitivity. Each element impacts thee overall link performance and mutt be carefly considered during planning.
Kalkulating Link Budget
Te podstawowe formuły for te link budget is:
Xiv1; Xiv1; FLT: 0 Xiv3; Xiv3; Received Power = Transmit Poser - Total Losses + Gains Xiv1; Xiv1; FLT: 1 Xiv3; Xiv3; Xiv3;
Kiedy total losses included cable attenuation, connector losses, free- space path loss, and atmosferic absorption. Gains may come from amplifies or repeaters placed along thee link.
Badanie Calculation
Pomocnik a transmiter outputs 20 dBm, wigh cable losses of 3 dB, connector losses of 1 dB, and free- space loss of 150 dB over a certain distance. If thee receiver sensivity is -90 dBm, thee link is accorble if thee received power exceeds this moterold.
Kalkulating:
(3 + 1 + 150) dB = -134 dBm (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1); (1) (1); (1); (1); (1); (1); (1); (1); (1) (1) (1); (1); (1) (1) (1); (1); (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (
Since -134 dBm is below the receiver sensitivity of -90 dBm, additional amplification or relay stations are necessary to maintain link quality.
- Ensure cisicate loss measurements
- Usie wzmacniacze, kiedy trzeba
- Faktors proekologiczny plan for
- Regularly verify link performance