radiation efficiency
英 [ˌreɪdiˈeɪʃn ɪˈfɪʃnsi]
美 [ˌreɪdiˈeɪʃn ɪˈfɪʃnsi]
辐射效率
双语例句
- The experiment of sound radiation efficiency and engine noise test were carried out when the engine was equipped with thin-wall components with free and compound damping.
采用表面振动法进行了柴油机表面辐射噪声的诊断，并对附加自由和复合阻尼的薄壁件进行了声辐射效率试验研究和整机试验。 - The radiator of the utility model can increase radiation area and can improve radiation efficiency.
解决增加散热面积、提高散热效率问题。 - The control strategy for minimizing first G radiation modes with large radiation efficiency is proposed, and the optimal model of control forces is presented.
提出了以前G阶辐射模态的声势能作为控制目标的有源控制策略； - An Improved Formula for Calculating Radiation Efficiency of Plate Around the Cut-off Frequency
平板截止频率附近辐射效率修正算法 - The radiation efficiency of cooperative system has been investigated with numerical calculation, in which the target has been regard as black body.
研究了合作目标系统中，当目标辐射为黑体辐射时最大辐射效率。 - Furthermore, the antenna radiation efficiency is good at the lower and the higher band.
并且天线在低频和高频都有较高的辐射效率。 - The input impedance and radiation efficiency of HTS microstrip antennas on two typical HTS anisotropic substrates, GaNdAlO_3 and SrLaAlO_4, are calculated using the modified spectral domain moment method in anisotropic materials.
选取两种典型的高温超导各向异性介质&GaNdAlO3和SrLaAlO4作为高温超导微带天线的衬底，采用各向异性媒质中的谱域矩量法，对微带天线的输入阻抗和辐射效率进行了计算。 - Very often, the fuel in such devices is natural gas. Poisoning effect of the Pt catalyst and radiation efficiency for lean natural gas-air mixtures were investigated in a catalytic combustion burner. The Pt catalyst ageing because of the presence of H2S from natural gas is analyzed.
通常燃料选择天然气，本文对贫天然气/空气混合物在催化燃烧炉中Pt催化剂中毒特性和辐射效率进行了研究，分析了由于天然气中H2S的出现导致Pt催化剂的老化。 - A new size reduced antenna with high radiation efficiency is realized by using these methods and optimization design. At last the feasibility of this antenna is proved through 3D electromagnetic simulation software HFSS.
通过综合运用以上措施和最优化设计，实现了一种尺寸较小且辐射效率较高的新型天线形式，并使用3D电磁仿真软件HFSS验证了该方案的可行性。 - At the same time, in order to meet the needs of metal goal detection and spaceborne observation, some researches on 3mm& 8mm sky brightness temperature, smooth water surface brightness temperature, and the antenna radiation efficiency of spaceborne radiometer are carried out.
同时，为满足毫米波辐射计在金属目标探测和星载平台上使用的要求，对3mm和8mm天空亮温、水面亮温以及星载毫米波辐射计的天线辐射效率进行了研究。 - The energy pattern, total radiation energy, radiation efficiency and radiation resistance of standing-wave dipole excited by rectangular pulse are discussed.
本文讨论了矩形脉冲激励的对称驻波天线的能量方向图、总辐射能量、辐射效率和辐射电阻等问题。 - Thatis to say, to demand high fidelity of signal, it would have to lower the radiation efficiency.
也就是说，要求高的信号保真度，必将导致低的辐射效率。 - The mathematical expression of the antenna radiation efficiency which is measured using radiometer is derived, then the methods for measuring antenna radiation efficiency and the experimental results are presented.
本文首先导出利用微波辐射计测量天线辐射效率时辐射效率的一般表示式，然后介绍了测量方法和实验结果。 - The model can give an accurate description of the electromagnetic behavior of antenna within the Wheeler Cap. Good measurement results are obtained, showing that it is an effective method for the measurement of antenna radiation efficiency with easy operation and high accuracy.
改进的天线模型精确地描述了天线位于维勒帽内的电磁特征，测量取得了好的结果，表明这是一种操作简便、测量精度高的测量天线辐射效率的方法。 - The input impedance, the gain and the radiation efficiency of the antenna are given. The matching network has been designed. Theoretical calculations and experimental results are compared with excellent agreement.
介绍了一种新型的舰用短波宽带双鞭天线，计算了其输入阻抗、增益和天线效率，设计出合适的天线阻抗匹配网络，理论值与实验结果进行了比较，两者吻合较好。 - Thus a completely numerical compute analysis method is established in fluid about vibrational radiation efficiency at full frequency.
从而建立一套圆柱壳体在流场中振动声辐射效率在全频段的数值计算分析方法。 - A theoretical method to solve acoustical radiation modes and acoustical radiation efficiency of complex structure by a boundary element method and acoustical radiation theory is posed in this paper.
提出一种用边界元方法与声辐射理论求解复杂结构的声辐射模态与声辐射效率的理论方法。 - To increase the radiation efficiency and broaden the operation bandwidth, an aperture-coupled microstrip antenna of high temperature superconductor with multi-layer substrates is designed.
为提高辐射效率和扩展工作带宽，对一种口径耦合馈电的多层介质高温超导微带天线进行了设计。 - A heterogeneous and realistic head model has been utilized to predict the effects of EM coupling to a human operator on the antenna characteristics, such as input impedance, radiation patterns, and radiation efficiency.
不均匀的实际人头模型被用于预测天线特性（包括输入阻抗，方向图和辐射效率等）和对操作作者耦合的电磁效应。 - The main objectives of this work were the studies of preserving 'near zero' emissions and high radiation efficiency of catalytic combustion.
主要从低污染和高效辐射的角度对催化燃烧的性质进行了研究。 - Shuts off the noise dissemination way, the noise source with is isolated by the receiver, and reduces the radiating surface including the noise reduction transmission efficiency the radiation efficiency;
切断噪声传播途径，即将噪声源与被接受者隔离，包括降低噪声的传递效率和降低辐射面的辐射效率； - Then, the radiation efficiency at low frequency and frequency response at high frequency in fluid are computed respectively by both SYSNOISE software and AUTOSEA software.
然后结合SYS-NOISE软件和AUTOSEA软件分别计算壳体在流场中声辐射效率在低频段和高频段时的频率响应。 - There have been number of researchers focused on the near-field Characteristics and radiation efficiency of different optical antennas. Based on these analyses, the far-field Characteristics are discussed in this work in detail.
目前已经有很多国内外的研究者对不同纳米金属结构光天线的近场以及辐射效率进行了研究，该论文在此研究基础上，主要对纳米金属光天线的远场特性进行了深入研究。 - Acoustic power and radiation efficiency of plate in the water are computerized and compared with those in the air. The numerical results in the water show that vibration has modal interaction at low frequency.
对板结构在水下的辐射声功率、辐射效率进行了计算，并和空气中的结果进行对比。 - The performance indexes for antenna have been presented briefly, such as diversity and radiation efficiency. 3.
简要介绍了天线的性能指标，如方向性系数和辐射效率等。 - By moment method, the surface current distribution and radiation efficiency of carbon nanotube antenna have been studied.
通过矩量法计算了碳纳米管天线在不同谐振频率下的表面电流分布和辐射效率。 - However, as the antenna size shrinks, the RFID tag antenna radiation efficiency would drop.
然而，随着天线尺寸的缩小，RFID标签天线的辐射效率也会降。 - 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。 - It is demonstrated that this novel electrically small antenna has extremely high radiation efficiency.
仿真结果表明，这种新型电小天线极大程度上提高了辐射效率。