used the software of sysnoise, transmission loss of the vested mufflers was analyzed and studied.

并以此为基础，采用sysnoise软件，对消声器进行声学分析，求得传递损失；

the predicted transmission loss of perforated tube silencers using the finite element method and experimental results are compared and showed good agreement.

使用有限元法计算穿孔管消声器的传递损失，并与实验测量结果进行了比较，二者吻合良好。

the invention provides a ship high transmission loss base structure.

本发明提供的是一种舰船高传递损失基座结构。

for the sake of computational intensity, the normal mode methods meet difficulties in the calculation of transmission loss fields at high frequencies.

由于计算量的问题，使用简正波方法解算高频段水声传播损失场受到很大的限制。

a method to allocation of transmission loss is obtained, based on the n-person cooperative game theory.

借助于多人合作对策思想，建立了基于多人合作对策的新输电损耗分摊方法；

transmission loss of leaky coaxial cable;

漏泄电缆的传输损耗；

in this design the boundary finite element and finite volume method were used separately to get solution for transmission loss of muffle and resistance loss of muffle.

水消声器的传递损失和阻力损失分别采用边界元法和有限体积法求解。

four propagation models of diffraction, line-of-sight, scatting and duct are analyzed. the basic transmission loss for each of the models is calculated according to the itu-r model and gzb model.

分析了电波的地波绕射传播、视距传播、散射传播和波导传播等四种传播模式，根据itu-r和gzb建议的模型分别计算了各传播模式的基本传输损耗。

high-rate data communication over cable suffers from inter-symbol-interference introduced by the cable's transmission loss which limits the date rate and distance.

传输线中的高速数据传输存在着由于传输线的传输损耗引进的码间干扰，限制了传输速率和传输距离。

with the measuring system equipped with a microchip solid laser and a unique refractive index matching cladding mode filter, the transmission loss of a double clad fiber laser was measured.

利用固体微晶片激光器作为光源输出，建立了折射率匹配法传输特性测试仪实验装置，对掺镱双包层光纤的传输损耗特性进行了测量。

the distribution problem of transmission loss in electric power market can be solved by the method of computing transmission loss based on marginal loss sensitivity.

电力市场中的输电损耗分配问题可采用基于边际损耗灵敏度的损耗分配方法来解决。

the acoustic analysis model for an automotive exhaust muffler is built, and the transmission loss of exhaust muffler is measured by test and also simulated by using both fem and bem.

建立某汽车排气消声器的声学分析模型，采用有限元法和边界元法对排气消声器的传递损失进行了仿真分析和试验测试。

in this paper, a new method of measuring transmission loss of birefringence optical fiber is proposed, we gave the measurin8 principle and experimental set up.

本文提出一种新的测试双折射光纤传输损耗方法。给出了测试原理和实验装五。

using the instrument for the transmission loss of single mode of winding birefringence optical fiber, the spectrogram of loss and the graph of mode density are obtained.

利用检测单模双折射光纤弯曲传输损耗装置测绘了光纤的弯曲损耗图及光纤弯曲传输模式图。

in acoustics aspect, the paper improves the method of calculating transmission loss and analyses emphatically the influence of structure parameters of perforated structure to acoustic performance.

在声学方面改进了传递损失的计算方法，着重分析了穿孔结构参数对消声器声学性能影响。

however, even though high-purity raw materials and fine melting are adopted, the transmission loss of phosphate fiber is also much higher than the intrinsic loss of phosphate glass.

然而，即使采用高纯度原料，并精细熔炼，多组分磷酸盐有源光纤的传输损耗也远高于磷酸盐玻璃的本征损耗。

to allocate the electricity transmission loss by differential increment integration is regarded as a recently developed typical class of methods.

利用功率微增量进行求和是目前输电损耗分摊中的一类代表性方法。

because of taking the sound-solid interaction into account, there are more peak value in transmission loss curve.

计算结果表明，由于隔声罩内声腔与结构振动的相互作用，考虑声固耦合后，隔声罩透射损失曲线峰值较多。

this paper is concerned with two aspects of transmission services cost of electricity market, transmission loss allocation and transmission cost allocation.

本文着重从两个方面对电力市场环境下的输电服务费用问题进行了深入探讨：输电网损分摊和输电费用分配。

the four-pole parameters of muffler can be obtained using bem, therefore the acoustic characteristics such as transmission loss can be predicted .

由边界元法计算出消声器的四极参数，从而预测传递损失等消声量。

the t104 test, used for two-way transmission loss measurements, far-to-near noise measurements and near-to-far noise checks is normally used in testing toll trunks.

t104测试线。用于双向传输损耗测量，由远至近噪声测量以及通常用于测试长途中继线的由远至近的噪声。

a comparison between the wave and ray models shows that the ray model gives an approximation of the transmission loss in an acoustic vector field.

经过与波动理论的比较，说明该模型仅是矢量声场传播损失的简单近似。

moreover, its coverage performance is also evaluated under some factors, such as the geometric dilution of precision (gdop), orbital perturbation, space transmission loss and eclipse.

并进一步在考虑摄动影响、空间传输损耗等因素的条件下评估了此星座的导航性能。