The characteristics of laser transmission in air are discussed , and the transmissivity of 905nm laser in the near distance in air is calculated 讨论了激光在大气中的传输特性,计算了波长为905nm的激光在大气近距离范围内的透射率。
Standard test method for analytical procedure determining transmissivity , storage coefficient , and anisotropy ratio from a network of partially penetrating wells 测定不完整渗透井网络过滤系数储藏系数和各向异性比率的标准试验方法
Standard test method for determining transmissivity and storage coefficient of low - permeability rocks by in situ measurements using the constant head injection test 用恒定水头喷射试验现场测定低渗透性岩石的透过比和释水系数的标准试验方法
Standard test method analytical procedure for determining transmissivity and storage coefficient of nonleaky confined aquifers by the modified theis nonequilibrium method 改进的非平衡法测定非越流性有侧限的蓄水层过滤系数及储存系数的标准试验方法
The paper introduces a revisable function of atmospheric transmissivity . the function can be appplied to revise the measured value in ir measure 摘要文章针对红外辐射测量提出一种大气透过率修正函数。该函数可用于在红外测量中对测量值进行大气修正。
Standard test method for analytical procedure determining transmissivity of confined nonleaky aquifers by critically damped well response to instantaneous change in head 通过临界阻尼井回应顶部瞬息变化测定承压非越流性含水土层渗透性的标准试验方法
The focus , field of view and transmissivity of the optical system of the receiver are analyzed . a high - speed transimpedance amplifier circuit is designed with optimized noise . through the noise model 设计了一种噪声优化的高速跨阻前置放大电路,根据跨阻放大电路的噪声模型详细分析了输出噪声电压、信噪比和信号动态范围。
The main characteristics of the optical system of the transmitter are analyzed and simulated , and the transmissivity , the output laser radiation angle and output laser shape of the optical system of the transmitter are tested in the experiments 对发射光学系统进行了详细的理论分析和仿真,通过实验测试了发射光学系统的透过率、输出激光的发散角和光斑形状。
Also the external field can modulate wave - transmitting strength . at the range from 8 to 9 ghz , the minimum transmissivity value existed as to batio3 erf ; the frequency where the minimum value existed was tend to the lower frequency under the external field 4 .对于钦酸钡电流变液，在8一gg频段范围内，微波透过率存在最小值，而且随电场强度增加透过率最小值点向低频方向移动。
When the frequency was among the range from 8 to 9 . 5 ghz , microwave transmissivity decreased with the external field as to colloid erf . however it increased with the external field from 10 . 3 to 11 . 3 ghz ; from 10 . 7 to 11 . 3 ghz it decreased with the external field too 对由复相胶囊组成的电流变液，在8一9 . 5g之间微波透过率随电场强度减小;在10 . 3一10 . 6g之间随电场强度增大，在10 . 7一n . 3g之间则又减小。
