Nature action is climbing up the boardroom agenda. Yet significant data gaps remain, and sustainability professionals are ...

Most people think of seismology as the science of earthquakes that split roads or rattle buildings. In reality, it covers ...

Science conspiracies can be strange, funny, and oddly convincing. Here are 10 popular theories and why they continue to ...

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光谱图，是一种将光学或其他信号可视化的图表。它的诞生背景主要是为了解决在科学研究和实际应用中，对光源的性质、结构和变化进行定量分析的需求。在19世纪，科学家们开始研究光的性质，发现光可以被分解为不同的颜色，这就是光谱。随着科学技术的 ...

Used for independent research project identifying frog and toad calls of eastern North American and Canadian frog and toad species The file can be used immediately after download. Make sure to adjust ...

This is a spectrogram. It represents the frequency spectrum of a signal (commonly sound) over time. The horizontal axis typically shows time, the vertical axis shows frequency, and the color intensity ...

Abstract: This work describes a number of experiments aiming to assess the use of spectrogram to detect North Atlantic right whale calls. For this purpose, spectrograms are generated from the audio ...