1.
spectral density
谱线[频谱，光谱]密度
2.
swept IF type spectrum analyzer
扫中频式频谱分析仪
3.
Spectral Sculpting of OFDM Signal for Opportunistic Spectrum Access
OFDM机会频谱接入的信号频谱成型方法
4.
Research on Dynamic Spectrum Management Based on Multi-dimension Spectrum Space
多维频谱空间下的动态频谱管理研究
5.
Frequency spectrum element, carrier frequency. Frequency type can be specified.
频谱元件，载波频率。可指定频率类型。
6.
octave and third octave spectrogram
倍频程及1/3倍频程频谱图
7.
The standard spectrum of whispered Chinese speech
GB/T7348-1987耳语标准频谱
8.
zero-field paramagnetic resonance spectrometer
零场顺磁共振频谱仪
9.
micro wave all-pictrue frequency spectrum analyzer
微波全景频谱分析仪
10.
microwave pulse spectrum analyzer
微波脉冲频谱分析仪
11.
three-dimensional dynamic spectrum analyser
三维动态频谱分析仪
12.
solar radio dynamic spectrograph
太阳射电动态频谱仪
13.
The standard spectrum of Chinese speech
GB/T7347-1987汉语标准频谱
14.
swept front end type spectrum analyzer
扫前端式频谱分析仪
15.
high resolution low frequency spectrum analyzer
高分辨率低频谱分析仪
16.
real-time digital spectral analyzer
实时数字频谱分析仪
17.
real-time digital spectrum analyzer
实时数字频谱分析器
18.
real-time all-digital spectrum analyzer
实时全数字频谱分析仪