NODE 734 — TERMINAL RELAY

{
  "type": "fft",
  "frequency_domain": [
    [
      874.0,
      0.0
    ],
    [
      10.364,
      -4.293
    ],
    [
      -1.0,
      29.0
    ],
    [
      -2.364,
      5.707
    ],
    [
      24.0,
      -0.0
    ],
    [
      -2.364,
      -5.707
    ],
    [
      -1.0,
      -29.0
    ],
    [
      10.364,
      4.293
    ]
  ],
  "sample_count": 8,
  "precision": 3,
  "format": "real_and_imag",
  "note": "Full frequency domain: [real, imag] pairs. Apply inverse DFT to recover the time-domain signal, round to integers, convert ASCII.",
  "hint": "FFT cipher \u2014 8 frequency components. Apply inverse DFT (iDFT) to the complex pairs. Round results to integers. Convert to characters.",
  "answer_format": "comma-separated frequencies or letters"
}