{
  "kind": "合成对照输入与本地模型/解析结果，非设备实测",
  "article": "https://qifudev.com/article/alias-nyquist-phase-degeneracy/",
  "tool": "https://qifudev.com/tools/alias-frequency/",
  "model": "falias=|((fin+fs/2) mod fs)−fs/2|",
  "inputs": {
    "sampleRate": "1000",
    "signalRate": "500"
  },
  "outputs": {
    "alias": 500,
    "nyquist": 500
  },
  "extra_checks": [],
  "warnings": [
    "理想均匀实数采样的单频折叠；不包含抗混叠滤波、幅相和非均匀采样。"
  ],
  "limitation": "不模拟抗混叠滤波、频谱窗、采样抖动和幅相，不是复杂信号的完整采样仿真。",
  "source": {
    "label": "Analog Devices：采样与混叠",
    "url": "https://www.analog.com/media/en/training-seminars/tutorials/MT-002.pdf"
  },
  "measured": {
    "device": null,
    "firmware": null,
    "instrument": null,
    "conditions": null,
    "raw_result": null,
    "verdict": null
  }
}