NODE 734 — TERMINAL RELAY

{
  "type": "fft",
  "frequency_domain": [
    [
      1498.0,
      0.0
    ],
    [
      -175.72,
      -101.05
    ],
    [
      -93.41,
      -179.23
    ],
    [
      0.86,
      -158.83
    ],
    [
      116.0,
      -126.0
    ],
    [
      114.8,
      -1.16
    ],
    [
      107.41,
      54.77
    ],
    [
      0.06,
      32.61
    ],
    [
      26.0,
      -0.0
    ],
    [
      0.06,
      -32.61
    ],
    [
      107.41,
      -54.77
    ],
    [
      114.8,
      1.16
    ],
    [
      116.0,
      126.0
    ],
    [
      0.86,
      158.83
    ],
    [
      -93.41,
      179.23
    ],
    [
      -175.72,
      101.05
    ]
  ],
  "sample_count": 16,
  "precision": 2,
  "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 16 frequency components. Apply inverse DFT (iDFT) to the complex pairs. Round results to integers. Convert to characters.",
  "answer_format": "comma-separated frequencies or letters"
}