查询词典 pulse length

The relationships of pulse distortion depending on frequency, pulse width, rain rate and path length are studied .The conditions of the broadening and compression for pulse wave are given. Based on the scattering characteristics of fog, the attenuations and reflectivities at millimeter wave are computed and analyzed for radiation and advection fog. The attenuation along earth-space deduced by radiation and advection fog is obtained and the results are compared.

其次基于单个雾滴的散射特性，对毫米波段电磁波通过平流雾和辐射雾时产生的衰减效应特性和反射率进行了分析和讨论，通过分析预测雾衰减系数的常用经验模型，预测了毫米波段电磁波通过平流雾和辐射雾地空路径传播时的衰减特性。

The pulse propagation through fog medium is discussed .The pulse distortion induced by fog is found using method of closed solution for Fourier integral in time domain. It is found that the pulse distortion is affected by the visibility, frequency, pulse width and path length.

在此基础上应用傅立叶时域积分近似解方法对脉冲波通过雾媒质时的传输特性进行了研究和分析，给出了脉冲畸变、频移随频率、能见度及传播距离的变化关系。

Output was 200 KW pulses, 2 usec pulse length, at 515 MHz.

它可发射功率为200KW脉冲宽度为2 usec频率为515MHz的电波。

Femtosecond laser has two characteristics: ultrashort pulse length and ultrahigh electric field intensity .

飞秒激光具有超短脉冲和超高电场强度两个特征。

After experimenting, we obtained pulse length is 1.45μs, delay time is 0.01ms, duration is 1.0ms.

而在撰写程式时，影响结果最主要的三个因子为脉冲长度、延迟

The overall performance of BT improved with the increase of pulse length; however, there exists an upper limit of ~85%.

底追踪之整体量测水准随脉冲长度增加而提高，但量测水准之提升有其上限，约为85%。

The influences of dispersion length and nonlinear length on the pulse′s self-similar evolution are studied,and the self-similar evolution conditions of the input pulse are obtained.

研究了色散长度和非线性长度对脉冲自相似演化的影响，获得了放大器中脉冲实现自相似演化的条件。

Femtosecond lasers have two charact er istics: ultrashort pulse length and ultrahigh electric field.

飞秒激光是近年来获得迅速发展的一种超快激光。超短脉冲和超高电场强度是它的两个特征。

Radar pulse length and range weighing function are two of the factors determining the radar volume.

根据此系统性差，有如下几点重要推：达体积内通常包含有多层结构和背景散射体。

The accuracy and precision of BT became higher as the pulse length or bed velocity increased, especially for mixed bed.

底追踪量测之准度与精度均随脉冲长度或动床速度增加而提升，对混合床面之提升效果尤为显著。

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。