In a DSB-LC system, the message signal is 15 cos (8T*10*t) and the modulation index is 0.8. The antenna is represented as a 75 2 resistance. The equivalent noise spectral density at the receiver input is 2+10-14 watt/Hz (double-sided). If the received signal power is 7+103 watt and the input noise power is considered in the entire signal bandwidth, find: 1- Path losses in dB. 2- SNR at the receiver output in dB.
In a DSB-LC system, the message signal is 15 cos (8T*10*t) and the modulation index is 0.8. The antenna is represented as a 75 2 resistance. The equivalent noise spectral density at the receiver input is 2+10-14 watt/Hz (double-sided). If the received signal power is 7+103 watt and the input noise power is considered in the entire signal bandwidth, find: 1- Path losses in dB. 2- SNR at the receiver output in dB.
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![In a DSB-LC system, the message signal is 15 cos (8T*10 t) and the modulation index
is 0.8. The antenna is represented as a 75 Q resistance. The equivalent noise spectral
density at the receiver input is 2*10-14 watt/Hz (double-sided). If the received signal
power is 7*10-3 watt and the input noise power is considered in the entire signal
bandwidth, find:
1- Path losses in dB.
2- SNR at the receiver output in dB.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd4f71482-806f-4e5e-9ae7-89424a3c67f0%2F15c10589-d3bb-457f-bf54-a2b60c24ae89%2Fgwwvsr5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In a DSB-LC system, the message signal is 15 cos (8T*10 t) and the modulation index
is 0.8. The antenna is represented as a 75 Q resistance. The equivalent noise spectral
density at the receiver input is 2*10-14 watt/Hz (double-sided). If the received signal
power is 7*10-3 watt and the input noise power is considered in the entire signal
bandwidth, find:
1- Path losses in dB.
2- SNR at the receiver output in dB.
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