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- Modeling and Simulation of HF Skywave Transmission Loss in Communication Countermeasure 通信对抗中短波天波传输损耗的仿真建模
- HF skywave transmission loss 短波天波传输损耗
- After being analyzed with FEM, impedance tube method was introduced to measure sound transmission loss(STL) of glass. 在有限元分析基础上,采用了驻波管法对小样品玻璃进行隔声量测量。
- Through testing on muffler on a certain motor, the paper evaluates the static performance of sound transmission loss of the muffler. 通过对某种发动机使用的消声器进行测试,对消声器的静态传声损失性能作出评价。
- Excellent copper, Ni-plated, used to connect two coaxial cables to prolong signal transmission. Low transmission loss and excellent shield property. 优质铜材,外表镀镍,用于将两条同轴电缆连接起来延长信号传输。传输损耗低。屏蔽性能好。
- Through testing on muffler on a certain motor,the paper evaluates the static performance of sound transmission loss of the muffler. 通过对某种发动机使用的消声器进行测试,对消声器的静态传声损失性能作出评价。
- Mulholland, K.A., Parbrook, H.D. and Cummings, A., The transmission loss of double panels., J.Sound Vib., 6 324-334 (1967). 杨瑞峰;具平面界面之流体饱和多孔材料波传特性分析;硕士论文(2001).
- The Jacobian matrix is formulated by incremental transmission loss in terms of the sensitivity factors, the DSR constraints, and the SVSR constraints. 优化模型的雅克比矩阵由网损和各节点发电量之间的灵敏度因子以及动态安全域和静态电压安全域的系数构成。
- The result shows the minimum of transmission loss corresponding different core/cladding shear viscosity with different core material. 结果发现经各芯层材料所制备之塑胶光纤大致均会在最适化芯皮层剪切黏度比值下出现光纤传输损耗之极小值。
- The present study employs the numerical simulation software SYSNOISE to investigate the noise attenuation(transmission loss)of water silencers. 采用SYSNOISE软件,用数值模拟的方法对多种结构形式的水消声器声学性能(传递损失)分别进行了研究。
- Furthermore, we investigated the relationship of transmission loss and core/cladding shear viscosity under the optimization of processing. 进而探讨不同芯层材料所制备之塑胶光纤在最适化加工条件下,光纤传输损耗值与芯皮层剪切黏度比的关系。
- Qifeng Ding and Ali Abur, “Transmission Loss Allocation in a Multiple-Transaction Framework,” IEEE Transactions on Power Systems, Vol. 19, No. 1, pp. 214-220, February 2004. 谢世杰、王心民,“对局理论应用于电力系统等效注入电流模型之线损分摊研究”,中华民国第二十三届电力工程研讨会论文集,1516页至1521页,民国91年12月。
- 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。
- HF skywave radar 高频天波雷达
- When the conductance of sound radiation for IDT is equal to the output conductance for the matching network, the reflection loss and transmission loss can be reduced. 叉指换能器的声辐射电导等于匹配网络输出端电导时,可以减小反射损耗和传输损耗。
- The results show the model-based sound field match well to the data and the transmission loss is decreasing with depth because of the downward refracting sound speed profile. 比较在内潮及非线性内波作用下的声场,可发现内潮作用下的传播损耗大于非线性内波作用下的传播损耗。
- Influencing factors on the transmission loss of light signs and the loss limit of plastic optical fiber are discussed, particularly for graded index plastic optical f ibers. 讨论了影响信号传输的因素和有机光纤光传输损耗的极限, 并对当前受到广泛重视的渐变型有机光纤的研究进展给予了特别的关注。
- I commiserate with you on the loss of your mother. 你母亲逝世,我特向你慰问。
- How can we divert her thoughts from her sad loss? 我们怎样才能使他不再想到她可悲的损失?
- Transmission losses will be less than 7 percent, significantly less than the losses from conventional 500-kilovolt (kV) high-voltage direct current (HVDC) transmission schemes. 电力的传输损失将少于7%25,远远低于传统500千伏高压直流(HVDC)传输计划的损失量。