Receiver SNR a 1k perfomance is degraded Case Study 4.1: Voyager Mission Two Voy

Question

Receiver SNR a 1k perfomance is degraded Case Study 4.1: Voyager Mission Two Voyager space probes were launched in 1977 by the Nacioeal Amonautics and Space Adm Jupiter, Saturm, Uranus and Neptune and continue on to eglone the intertellar beyond the solar system. Their ssion was to eamine the magnetic and spectral properties el outer solar syiem planets and oommancae the collected isformution back to Earh Clearly ascoms systenm nceded to be designed that ensered sach inftneeld be cmcily mitted k to Earth crossed into imerdellar space it observed that the Sm's magpc fld econes waped and cneaies hubbles at the edge of the solar system s manan d between de "ansenner id meret solid as.mh ranfer still tukes place hetwoen the probe and the Earth Over the year have bocn Tle 4.2 Suach a calculiation ned out and the range at which the pobe may be comrilled Faherme as will be described below, lisk badpet analysis can be used to callne the msimam ossihle nformation that may be ed hack so Earth and tohton the gecficatino Cane Stady Questions What factors decided the type of semsoes to be w-bound the Voyager probes? the Voyager probes? What factoes were needed for a lisk bedgen analysis in hisameter " Speculate whethor the probes would be launched in the ance of undentandng the nfomatics theory prinsiples power is significantly below that of moin Masimem tan ield of inlormation theory,samely chanl capacity

Explanation / Answer

Answer: The main factors that are required to prepare a link budget analysis in the system are the transmission power, Probe antenna gain, Path loss in the 8GHz band, Receiver antenna gain, Receiver noise power, Signal suppression and finally the received SNR. The parameter which varies greatly is the received SNR because it depends on all the other parameters and is calculated by adding and subtracting those parameters. So it reflects the total variation that is possible and this directly helps us to calculate the maximum possible transmission rate on the link or channel capacity.

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