propagation efficiency
英
美
【计】传播效率
双语例句
- TCP over satellite ATM is one of the most important research issues because the long propagation delay of satellite channel can reduce the efficiency of TCP congestion control.
由于在TCP协议中主要是通过对窗口的控制来实现拥塞控制，而卫星信道传输的长延时特性大大降低了TCP层拥塞控制的效率。 - Through an example of elastic stress-wave propagation through a slender rod, the high accuracy and computation efficiency of the multiscale numerical method of time and space were validated.
通过弹性应力波在细长杆中传播的算例，验证了该时空多尺度数值计算方法具有较高的准确性和计算效率。 - The network is trained using the improved back propagation algorithm, which can get better efficiency and effect.
采用改进的反向传播算法训练网络，逐步修正网络的连接权值，使模糊综合评价指标的权重值逐渐接近实际情况，得到较好的训练效率和效果。 - Research on the Populus tomentosa propagation technique with high efficiency and low cost
高效率低成本的毛白杨繁育技术研究 - The cell growth inhibition and virus propagation efficiency was measured by MTT assay and plaque formation assay, respectively.
MTT法测定对肝癌细胞生长抑制作用，并通过空斑法测定病毒增殖，探讨其杀伤机理。 - A kind of flat box-like resonator for reactor-pumped lasers ( RPL) is presented here, which has a zigzag propagation inside and high coupling efficiency with the reactor.
针对反应堆抽运激光（RPL），介绍了一类具有多折光路、与反应堆有较高耦合效率的谐振腔。 - The inner clad breaking symmetry of ray propagation can enhance the absorption efficiency of the pump light.
通过计算分析得到，改变泵浦光在光纤中传播对称性的光纤结构，能有效提高对泵浦光的吸收效率； - In running TCP/ IP protocol on satellite communication network, the time delay of satellite links caused by radio wave propagation in space will seriously reduce the transfer speed and communication efficiency of TCP data streams.
在卫星通信网上运行TCP/IP协议时，因电波空间传播产生的卫星链路时延，严重降低了TCP协议数据流的传输速率和通信效率。 - The proposed algorithm uses a four-step side-match prediction technique to optimize the spatial continuity of the encoded block to improve the coding performance and reduce error propagation efficiency.
四步部分匹配预测技术利用优化了每个图像编码块的像素空间连续性，改善编码性能，降低了误差传递效率。 - Numerical analysis of this EY-DCFL is also performed based on the rate and propagation equations. The calculated output powers of about 4.4W and conversion efficiency of 40% for the same fiber are a little larger than the experimental results.
基于速率和传输方程，对该铒镱共掺双包层光纤激光器进行了数值模拟，在相同光纤长度下，计算的最大输出功率约4.4W，光-光转换效率40%，比实验结果要高。 - At relatively high pressure, in addition to electromagnetic field and electron's Coulomb scattering by gas molecules, plasma instability would result in decrease of propagation efficiency.
而较高气压时，束电子除受自身电磁场作用及库仑碰撞散射外，等离子体不稳定性使束流传输效率明显降低。 - Each solution contains four independent parameters, i.e., the dimensionless leakance of the silt layer, the offshore extending length, the confined aquifer's tidal propagation parameter, and the loading efficiency.
该解中包含了四个独立参数：淤泥层的透水性，离岸区在海水中的延伸长度，含水层的潮汐传导参数以及海潮载荷效应。 - This method for propagation of plantlets in vitro can reduce the production cost and increase the efficiency.
该方法大大降低了成本，提高了效率。 - This paper analyzed the characteristics of arrayed-wave-guide gratings by using the wave theory. The numerical propagation model and the relationship between the diffraction efficiency and ω 0/ d were introduced.
运用波动理论分析了阵列波导光栅（AWG）的模场特性，给出了器件传输的数学模型即光栅方程，导出了器件的衍射效率与ω0/d的变化关系； - Propagation Distortion and Coding Efficiency in Multi-hypothesis Motion Compensated Prediction
多参考运动补偿预测中的误码传播和编码效率 - For example, we studied the influence of angle to the propagation efficiency of Y-type embranchment and influence of calculation window size, selection of reference refractive index, the interval between dots, the difference of refractive index to the calculation of BPM.
例如：Y分支的夹角对Y型分支波导光传输效率的影响，参考折射率的选择、计算窗口的大小、格点间距值、折射率差的变化对BPM计算精度的影响。 - Therefore, in the practice of beekeeping, we mainly advocate feeding bees on natural pollen, artificial pollen and pollen pie as supplement in order to improve the propagation efficiency of colony.
因此，在养蜂实践中，提倡利用天然花粉脾为主，人工粉脾及花粉饼为辅对蜂群进行饲喂，以提高蜂群的繁殖效率。 - An applied case of injection engine was provided to illustrate the feasibility of the proposed model in failure propagation analysis, and to verify the efficiency to find the system crisp nodes which become the proofs for the design improvement and failure prevention.
用该模型对喷射发动机的故障传播过程进行分析，结果表明，该方法可以有效地找到系统中存在的脆弱点，从而为设计改进和故障预防提供了重要依据。 - This paper expresses membership function in the network by trapezium trapezoid formula. The network is trained using the improved back propagation algorithm, which can get better efficiency and effect.
采用梯形公式的四元组形式表达网络中的隶属函数，利用反向传播算法训练网络，得到较好的训练效率和效果。 - The optical properties of SLCF, including propagation constant, propagation energy distribution, propagation efficiency, fiber bending loss, group velocity dispersion and nonlinear coefficient, are obtain by simulation.
理论上成功计算出了亚波长直径液芯光纤的光学性质。主要包括传播常数，传输能量分布，传输有效率，弯曲损耗，群速度色散，非线性系数。 - At the meantime, the propagation mode is like Viral Marketing and it brings up the propagation efficiency.
同时病毒营销式的传播方式大大提高了广告的传播效率。 - In recent years, along with the rapid development of the radar system simulation technology, the establishment of radar signal propagation effect model with high accuracy, high computing efficiency and high applicability has become the focus.
近年来随着雷达系统仿真技术的飞速发展，建立准确性高、运算效率高、适用性强的雷达信号的传播效应模型成为关注的焦点。 - The combustion characteristics in porous media burner are investigated, including the propagation and stability of premixed flame, the combustion efficiency and the pollutant emission in porous media.
对惰性多孔介质内的气体燃烧规律进行研究，其中包括多孔介质中的预混火焰的传播和稳定性，多孔介质内燃烧效率和污染物排放。 - The numerical results obtained by finite-difference time-domain method show that the introducing defect holes in the device can control the beam propagation and enhance the output efficiency.
有限时域差分法模拟计算发现，通过在器件中引入点缺陷，可以有效的控制光波的传输并提高三个波长的输出效率。 - In order to apply several applications in the same propagation channel, we must improve the bandwidth efficiency to save limited frequency resources and achieve high-speed transmission rate.
要在同一传输信道中实现诸多通信应用，需要节约有限的频谱资源，提高频谱利用率，实现高速数据传输，因而宽带数据通信是当前重要的研究热点之一。 - Genetic Algorithm is used to optimize the initial weight of back propagation network and the operation efficiency is enhanced.
用遗传算法优化BP网络的初始权值，提高神经网络的运算速度。 - Based on the conclusion, an improved hybrid propagation algorithm is designed to improve the efficiency of the deployment.
依据此结论，设计了一种改进的混合传播算法，改善了系统的部署效率。 - OFDM has been used in many wireless communication systems, due to its ability to repress multipath propagation, frequency selective fading and high spectral efficiency.
OFDM调制技术由于其较强的抗多径传播和频率选择性衰落能力以及较高的频谱利用率，在许多无线通信系统中得到广泛应用。 - Therefore, the negative permeability structures successfully suppress the surface wave propagation in the microstrip antenna, which can improve the radiation efficiency.
仿真结果表明，负磁导率结构的加载成功抑制了微带天线中表面波的传播，提高了微带天线的辐射效率。