For the electric vector of electromagnetic wave. we discussed its amplitude, wavelength, phase, and attenuation length.
以波的电矢量为例，具体讨论了衰减电磁波的振幅、波长、位相以及衰减波的衰减长度。
This paper describes the principle, method and apparatus for measurement of technical light attenuation length of plastic scintillators. The factors that influences this parameter are discussed.
本文报道了塑料闪烁体的技术光衰减长度的测量原理、方法和测量装置，并对影响此参数的因素进行了讨论；
The paper study the problem by constructing theoretical model of diffracted sound attenuation of limited length barrier.
通过建立有限长声屏障的绕射声衰减的理论模型，进行了这方面的探讨。
The results show that the velocity and the relaxation peak of the attenuation moved to low frequencies, and the amplitude of the attenuation decreases, as the correlation length increases.
结果表明，当相关长度增大时，相速度的过渡带向低频方向移动，衰减的弛豫峰随相关长度的增大向低频方向移动，且幅度逐渐减小。
The influences of length, dispersion index and attenuation index of transmission fiber and incident optical power on ber (bit error rate) and Q value of the system is analyzed.
仿真研究了传输信道和光功率对光码分多址系统性能的影响，分析了传输距离、光纤色散系数、光纤衰减、入纤光功率等与误码率和Q值的关系。
To reduce the above deviation, the concept of rupture length is introduced into the fault-rupture model, but the attenuation is quite different from practical dam.
为了克服上述偏差，断层-破裂模型引进了破裂长度的概念，但其衰减与实际资料出入较大。
Results showed that the jet flow length, concentration and anti-attenuation of coherent jet oxygen lance were better than that of common oxygen lance.
结果表明，集束射流氧枪比普通超音速氧枪射流长，射流集中、衰减慢。
Results showed that the jet flow length, concentration and anti-attenuation of coherent jet oxygen lance were better than that of common oxygen lance.
结果表明，集束射流氧枪比普通超音速氧枪射流长，射流集中、衰减慢。
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