您要查找的是不是：
- Chirp水印 Chirp watermark
- Chirp脉冲 chirp impulse
- 数字水印 digital watermark
- chirp探测 chirp-sounding technology
- Chirp信号 Chirp signal
- 阴暗水印 shade craft watermark
- Chirp扩额 Chirp spread spectrum
- 局部水印 localized watermark
- Chirp-Z变换 Chirp-Z transform
- 水印器 watermark detector
- Chirp子脉冲 Chirp-subpulse
- 嵌入水印 Embed Watermark
- 宽带Chirp雷达 wideband Chirp radar
- 云水印 cloud watermark
- 宽带Chirp信号 Wide-band Chirp Source
- 水印墨 aqua-set ink
- Chirp脉冲压缩 chirp pulse eompression
- 水印纸 water marked paper
- Chirp信号检测 Chirp signal detection
- 盲水印 blind watermarking
