1. High quality television display screen used to view a TV signal in its unmodulated state.(Modulate-to vary the amplitude,frequency or phase of radio or television).
   用于收看未经压缩的电视信号的高质量屏幕，以监控图像质量。
2. In a UHF passive RFID system, a reader transmits an unmodulated continuous wave (CW) to tags, which not only provides energy to tags but also serves as the carrier of tag backscatter signals.
   在超高频被动式射频辨识系统里，读取器传送未调变过之连续波讯号给标签，其不但可提供能量给标签也作为标签反向散射讯号的载波。

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