Transcription of ～受信感度 BER ? PN9 - jaia.or.jp
1 BER ? PN9 ? . 2014/8/23 1.. 1. D- star . 2.. 3.. 4.. 2014/8/23 2.. 1 .. 256 2 8 28 256 . 16 216 65,536 . 2014/8/23 3. 1 . D- star .. F3E FM . F7W GMSK .. FM12dBSINAD. DV BER 1%. 2014/8/23 4. 1-1.. F3E F7W. 1 2 3 .. N 0 N. A. 3 E. A.. 1. B.. H . C. 2.. R D.. 7. W 3. E. J. N F .. 2 .. B. C. 2 7 F. F 2 8 N F W.. G. 1 1. 9.. D.. 2014/8/23 5. 1-2. 1 .. bits per second .. 1 . 1bps 1 1 . 2014/8/23 6. 1-3. 2 .. DV .. GPS . 2014/8/23 7. 1-4.. FM . GMSK .. Gaussian filtered inimum- hift eying .. 2014/8/23 8. 1-5.. FSK Frequency Shift Keying .. MSK Minimum Shift Keying . FSK . GMSK Gaussian filtered Minimum Shift Keying . MSK . 2014/8/23 9. 1-6.. 2014/8/23 10. 1-7.. Digital Voice . DV 7 6kH . FM F3E :16kHz . FM 16kHz .. 2014/8/23 11. 1-8.. F7W F3E.. 1kHz . 2014/8/23 12.. 1-9.. 1 FM F3E. ** ** * * * * * * ** * * ** * *. * * * * * ** * * * * ** ** ** **. 0. F7W F3E. 2014/8/23. 1kHz . 13. 1-10.
2 1 .. 0 1 .. MP3 (MPEG-1 Audio Layer III). ATRAC (Adaptive TRansform Acoustic Coding). AAC (Advanced Audio Coding). 2014/8/23 14. 1-11. 2 .. 2014/8/23 15. 1-12. 3 .. NHK . 2014/8/23 16. 1-10. 4. 1-13. 3 .. 1111.. 2014/8/23 17. 1-14.. + + / + . AF SINAD. SG(1 KHz, ). BER 1% . CLOCK. SG(PN9 ) DATA BER . BER Bit Error Rate .. DV -11dB (BER %) . -11dB BER 1% .. BER1% :100 1 . 2014/8/23 18. 1-15. 9 . PN Pseudo andom Noise .. PN9 9 PN9 .. PN9 2 9 29 -1 511 . 9 . PN9 511 . 1111111110 0000111101 1111000101 1100110010 0000100101 0011101101 0001111001 1111001101 1000101010 0100011100. 0110110101 0111000100 1100010001 0000000010 0001000110 0001001110 0101010110 0001101111 0100110111 0010001010. 0001010110 1001111110 1100100100 1011011111 1001001101 0100110011 0000000110 0011001010 0011010010 1111111010. 0010110001 1101011001 0110011110 0011111011 1010000011 0101101101 1101100000 1011010111 1101010101 0000001010.
3 0101011110 0101110111 0000001110 0111010010 0111101011 1010100010 0100001100 1110000101 1110110110 0110100001. 1101111000 0. 9 . 1 0 .. PN9 . 2014/8/23 19. 1-16. 9 . Modulation :FSK Symbol Rate BT Filter :Gaussian 2014/8/23. 20. 2.. D/A. MIC. A/D .. AMP. VCO. TX AMP. DSP.. DSP . 2014/8/23 21. 2-1.. CODEC. D/A . A/D .. AF AMP 2nd IF. (FM ).. DSP.. DSP.. 2014/8/23 22. 2-2. ( .. ID .. P-FCS .. 1 /2 /3 .. 64bit 15bit 1byt 1byt 1byt 8byt 8byt 8byt 8byt 2byt 72bit 24bit 72bit 24bit 72bit 48bit .. 2014/8/23 23. 2-3. / .. 0 1 .. Digital .. 0/1 .. 2014/8/23 24. 3.. DV BER 1%. 511bit PN9 . 2014/8/23 25. 3-1.. DV BER 1% -9db . ID-880( . 2014/8/23 26. 3-2. BER Bit Error Rate .. 2014/8/23 27. 4. SG .. ( ) .. RF . MIX DV . PC .. 400m . BASE ( . Hz Hz . WAV FILE). 2014/8/23 28. 4-1 . 2014/8/23 29. 4-2 . FM DV . BASE . BASE . 2014/8/23 30. 4-3 . 2014/8/23 31.. PDF JAIA.. 2014/8/23 32.))
