Tham khảo tài liệu 'satellite communications part 13', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Beyond life-cycle utilization of geostationary communication satellites in end-of-life 351 j. Receiving system noise temperature dBk gain and noise temperature ratio dB k l. Antenna tracking capability Automatic m. Antenna type Fixed C. Space loss 1. Uplink Rain Attenuation dB 2. Downlink Rain Attenuation dB 3. Uplink free space attenuation dB 4. Downlink free-space attenuation dB 5. Uplink polarization loss D. Carrier Parameters 1. Carrier Type DSSS 2. Multiplexed mode CDMA 3. Modulation BPSK 4. Data Rate bps 50 5. Chip rate kbps 6. Spreading frequency gain 7. Carrier Noise Bandwidth khz 8. Carrier allocated bandwidth khz 9. Threshold Eb N0 dB E. Link Budget 1. Uplink C T a. Ground station effective isotropic radiated power dBw b. Uplink free space loss dB c. Loss of antenna pointing dB d. Antenna gain per square meter dB mA2 e. Satellite carrier flux density dBw mA2 f. Transponder saturation flux density dBw mA2 g. Carrier input backoff dB h. Satellite antenna gain and noise temperature ratio dB k i. Uplink C T dBw k 2. Downlink C T 352 Satellite Communications a. Satellite effective isotropic radiated power saturation dBw b. Carrier Output backoff dB c. Carrier Downlink effective isotropic radiated power dBw c. Downlink carrier per channel effective isotropic radiated power dBw d. Downlink free-space loss dB e. Receiving antenna pointing error dB f. Antenna gain and noise temperature ratio dB k g. Downlink C T dBw 3. Co-channel interference C T dBw k 4. Inter-modulation interference C T dBw k 5. Satellite interference C T dBw k 6. Total C T and C N a. Total C T dBw k b. Boltzmann constant dBw k-Hz c. Receiver Noise Bandwidth dB-Hz d. Total C N dB e. Threshold Ebi N0 dB 10 f. Threshold C N dB g. Link margin dB .
