WA-ZCR-4U-1300

The WA-ZCR-4U-1300 Satellite Signal Demodulation System is designed for real-time acquisition and processing of both analog and digital satellite signals. It estimates carrier, bandwidth, and carrier-to-noise ratio (C/N), identifies signal modulation types, and performs accurate demodulation. Featuring intuitive spectrum and waterfall displays, carrier lists with detailed parameters, and dynamic visualization of signal appearance and disappearance, it supports the demodulation of BPSK, QPSK, OQPSK, 8PSK, 8QAM, and 16QAM signals. Its modular architecture ensures adaptability to weak signals and scalability for algorithm optimization.

Specifications

  • Signal Modulation Recognition Accuracy:

    • CW, AM, FM, 2FSK: ≥95% (C/N ≥10 dB)

    • BPSK: ≥95% (C/N ≥5 dB)

    • QPSK, OQPSK, π/4QPSK: ≥95% (C/N ≥8 dB)

    • 8PSK: ≥95% (C/N ≥9 dB)

    • 16QAM: ≥95% (C/N ≥11 dB)

  • Demodulation Parameters:

    • Single-channel data rate: 100 kBd – 5 MBd

    • Processing bandwidth: 36 MHz / 72 MHz

    • Clock lock range: ±100 PPM

    • Carrier lock range: ±100 PPM

    • Typical bit error rate (QPSK, Eb/N0 = 8.5 dB): ≤ 1×10⁻³

  • Key Features:

    • Real-time estimation of carrier, bandwidth, and C/N

    • Accurate weak signal detection and modulation identification

    • Modular design for easy algorithm optimization and maintenance

  • Applications:

    • Satellite ground station signal detection

    • Modulation type identification and parameter estimation

    • Signal demodulation and analysis in real-time satellite monitoring

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