spectrum n. (pl. -tra ) 1.【物理学】谱,光谱;波谱;能谱,质谱。 2.【无线电】射频频谱;无线电(信号)频谱。 3.【心理学】(眼睛的)余像;残像。 4.〔转义〕范围,幅度;(连续的)系列。 an absorption spectrum 吸收(光)谱。 a bright line spectrum 线状光谱。 an optical spectrum 光谱。 a solar spectrum 太阳光谱。 a wide spectrum of opinion 意见的不同幅度甚大。
Underwater target identification based on the methods of bearing and cross - spectrum 基于方位走向法和互谱法的水中目标识别
For the development of data signal processing module of sound intensity , the cross - spectrum sound intensity technique is applied 对于声强数字信号处理模块部分,采用互谱声强技术作为其理论基础进行设计。
百科解释
In time series analysis, the cross-spectrum is used as part of a frequency domain analysis of the cross correlation or cross covariance between two time series.