The installation is composed of a N2 laser source, an optical spectrumanalyser (OSA) , Cossegrain telescope receiving system.
该装置由N_2激光源、OSA光学光谱分析仪、卡斯格伦望远镜接收系统三部分组成。
2
The advantages of using a spectrumanalyser to measure image rejection ratio of a tuner are direct in observation, accurate in reading, easy in operation and so on.
用频谱分析仪测量调谐器的假象抑制比，具有显示直观、读数准确、测试简便等优点。
3
The purpose of this project is to design a wide frequence band, fine frequency step, low phase noise and low spur synthesis sweeping source suited for the spectrumanalyser.