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1 Determine the terrain sensitivity loss for an 8 GHz carrier that is propagating over a very smooth and dry terrain 2 A frequency diversity microwave system operates at an RF 7 4 GHz The IF is a

1. Determine the terrain sensitivity loss for an 8-GHz carrier that is propagating over a very smooth and dry terrain.

2. A frequency-diversity microwave system operates at an RF 7.4 GHz. The IF is a low-index frequency-modulated subcarrier. The baseband signal is a single master group FDM system. The antennas are 2.4-m parabolic dishes. The feeder lengths are 120 m at one station and 80 m at the other station. The reliability objective is 99.995%. The system propagates over an average terrain that has a very dry climate. The distance between stations is 40 km. The minimum carrier-to noise ratio at the receiver input is 28 dB. Determine the following: fade margin, antenna gain, free-space path loss, total branching and feeder losses, receiver input power (Cmin), minimum transmit power, and system gain.

Jul 28 2020 View more View Less

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