查询词典 sidebands

The reason is discovered theoretically and experimentally, and the maximum transmission distance is formulated according to relationship between the time shift of sidebands and the transmission distance.

对这一现象原因进行理论分析后，得到了脉冲变窄与信号传输距离，光纤色散和光载毫米波信号频率之间的关系，并给出了OCS光载毫米波信号最大传输距离公式。

In the scheme the ion is excited by two laser fields tuned to the first lower and higher vibrational sidebands, and then by one laser tuned to the ion transition in an alternative way.

在本方案中，这个离子受到两个分别调到第一高、低振动边带的激光场和一个与离子共振的激光场的轮流激发。

Meaningful, fundamental and experimental research has been done on AWG demodulating technology and CWDM linear sidebands demodulating technology in this paper, a new and valuable reference was offered to demodulating technology of Fiber Bragg Grating sensor.

本论文对AWG解调技术以及CWDM边带解调技术进行了有意义的、基础的和实验性的研究，为光纤光栅传感器解调技术的发展提供了新的、有价值的参考。

The Segall-Mahan theory is employed to calculate both one and two longitudinal-optical phonon sidebands of free excitons of zinc oxide in a wide temperature range.

理论在一定温度范围内对ZnO光致发光谱中自由激子产生的一阶和二阶光学声子伴线进行了研究。

In BS, two second-order sidebands beat to generate optical millimeter-wave with quadruple frequency in the 60 GHz photodiode.

实验显示，当射频频率为10 GHz时，可以产生频率为40 GHz的光载毫米波信号，得到的毫米波眼图和信号解调后的眼图效果都很好，功率代价小于1 dB。

Residual amplitude modulation in electro-optical phase modulators results in unequal amplitude of modulation sidebands.

激光经电光相位调制后，由于剩余幅度调制的存在造成调制边带幅度不相等。

Nbs; An amplitude modulating circuit that suppresses the carrier signal, producing an output consisting only of upper and lower sidebands.

一种抑制载波信号的振幅调制电路，产生的输出仅包含上边带和下边带。

In this paper, progress of FBG sensing system demodulating technology in recent years was reviewed, problems exist in this field were analyzed, according to actual requirement of FBG sensing system, existing signal demodulating technology of FBG sensing system were classified combined with FBG sensing technology, on the basis of this, demodulating technology using amplified spontaneous emission light source linear sidebands and it's operational principle were introduced, temperature and strain sensing experiments were made based on the technology.

本文回顾了光纤光栅传感信号解调技术近年来的进展，分析了该技术领域存在的问题，结合光纤光栅传感技术，针对光纤光栅应变传感系统的实际需要，对现有光纤光栅传感信号解调技术进行了分类。

It is also found that the cut off frequency and the frequency of infra-gravity wave in the tests of side-bands are more disordered and complicated than in the tests of regular waves due to the effects of sidebands.

且三波作用下的截断频率及亚重力波最大能量频率试验分析结果显示较规则波分布散乱，表示副频会影响截断频率及亚重力波最大能量频率分布。

With the tunablity of microwave frequency, the sidebands was thus tunable, providing great convenience for pure rotational spectroscopy.

利用该谱仪观测了CHF3振动基态J=34~33，K=0~15和SO2基态的19(下标 4，16)~18(下标 3，15)，38(下标 2，36)~37(下标 3，35)纯转动光谱，并对它们进行了标识。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。