单词：signal detection
signal detection的用法和样例：
例句
- Nowadays the VAD is a hot spot in the speech signal processing field.本论文研究复杂强背景噪声下的语音信号检测问题。
- Overlapped low-frequency interruption and random noise usually exist in singularity target signal recognition.摘要奇异性目标信号检测中往往存在叠加型低频干扰及随机噪声的污染。
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