spectrum frequency spectrum frequency content power-density spectrum
This relation between the frequency and the field spectra was noted experimentally.
实验上已经发现频率和场频谱之间的这种关系。
—— 辞典例句First of all there are the remarkable achievements of a molecular radio spectroscopy in these clouds.
首先应说到的是分子射电频谱学研究这些云所取得的显著成就。
—— 辞典例句Natural spectral peaks of the vocal tract that aid in the recognition of speech sounds.
声道的自然频谱峰值,帮助语音识别。
—— 辞典例句Experimental configurations for measuring and displaying these spectra are sketched in Figure 13.7.
测量和显示这几种频谱的实验装置见图13。7。
—— 辞典例句Non - Periodical Time Function Consists of Time Harmonics with Continuous Frequency Spectrum.
非周期时变由连续频谱之弦波所构成。
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