An unmodulated stable laser system, which has been used as a tunable CO_2 laser sideband coherent source, is introduced.

本文介绍用于可调谐CO_2激光边带相干光源的稳频激光系统。

Threshold extension and adaptive noise reduction technology means that noise is 50 dB down for an unmodulated 13.5-dbf stereo signal.

扩展和自适应阈值降噪技术手段，噪音是50分贝下降为未调制的13.5支援数据库立体声信号。

The mobile apparatus comprises a reflector and performs reflection wave transmission by carrying data on a reflection wave for unmodulated carrier.

移动设备包括反射器，将数据加载在与未调制载波对应的反射波上并进行反射波传输。

The unmodulated carrier first transmits at the center of the mask, and the top of the mask adjusts to correspond with the output power of the transmitter.

未调制载波首先传送到遮罩中心和顶部，与相应发射机的输出功率相适应。

The effects of the different light intensity on the chlorophyll fluorescence parameters in microcystic aeruginosa were studied by using unmodulated chlorophyll fluorometer.

用叶绿素荧光技术研究了低夜温后光照对榕树与海桐叶片光合电子传递和吸收光能分配的影响。