Integrating digital demodulators into OpenWebRX

81 157 0
Integrating digital demodulators into OpenWebRX

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

Thông tin tài liệu

Ngày đăng: 13/04/2018, 16:12

Từ khóa liên quan

Mục lục

  • 1 Abstract

    • 1.1 Összefoglaló

  • 2 Introduction to OpenWebRX and digital modulations

    • 2.1 Recent improvements on OpenWebRX and CSDR

    • 2.2 CSDR used for tracking Schiaparelli EDM lander

  • 3 Digital modulations

    • 3.1 Motivation behind digital mode support

    • 3.2 Results of modifications

    • 3.3 Changes to the OpenWebRX protocol

    • 3.4 Digital modulations in general

    • 3.5 Functional stages of processing in a digital modem

    • 3.6 Digital modes on amateur radio bands

    • 3.7 Digital modes in consumer devices

  • 4 A BPSK31 demodulator

    • 4.1 Implementation with CSDR

    • 4.2 Automatic gain control

    • 4.3 Symbol timing recovery

    • 4.4 Implementation of non-data aided timing recovery

    • 4.5 Symbol timing recovery performance measurements

    • 4.6 Carrier recovery

    • 4.7 Synchronization in a differential PSK receiver

    • 4.8 Varicode decoder

    • 4.9 Resource usage

  • 5 More applications of CSDR

    • 5.1 Generating BPSK31

    • 5.2 Demodulating BPSK63

    • 5.3 BPSK31 with different pulse shape

    • 5.4 Costas loop for carrier recovery

    • 5.5 Demodulating RTTY

    • 5.6 FSK demodulation

    • 5.7 Serial line decoder

    • 5.8 Baudot decoder

    • 5.9 Demodulating M-FSK

    • 5.10 Demodulating FSK signals transmitted using the CC1111 wireless MCU

    • 5.11 Generating additive white Gaussian noise

    • 5.12 Functions helping development

  • 6 Conclusion

  • 7 Acknowledgement

  • 8 Bibliography

Tài liệu cùng người dùng

  • Đang cập nhật ...

Tài liệu liên quan