查询词典 antenna resistanc

Then we put the antenna on the platform. We get the error data through inertia component.

补偿角运动误差的经典方法是使用稳定平台，把平台安装在飞机底部舱外，天线罩内，把天线安装在平台上。

The mathematical models of the delay of the GPS signal in the circumstance are put forward respectively. The computation of orbital arc of the two satellite constellations is based on two body problem and perturbations models. An algorithm based on the IRI model and thin layer model is used to simulate the ionospheric delay of the GPS signal. The error models of observation, multipath, relativity and antenna phase center bias are also researched. Under the consideration of the autocorrelation of the electronical measurements, the autoregressive model of time series is introduced into the noise models.

在信号仿真中，研究了利用二体运动和摄动法计算LEO卫星至GPS卫星星座的几何距离的问题；在信号的误差模型中，研究了电离层时延的IRI2001模型和单层投影模型；讨论了观测误差、多径效应、相对论效应和天线相位中心偏移的误差模型；结合电子测量噪声的具有自相关特性的经验，研究了观测误差的AR模型；结合实测数据分析，讨论了接收机钟差和卫星钟差的误差建模问题。

Based on the concept of antenna near-field measurement and the theory of plane wave spectrum, the theory of plane near-field measurement and error analysis are introduced, two errors of plane radiation near-field measurement are discussed in detail: the probe positioning error and the truncation error of finite scanning.

本文从天线近场测量的基本概念出发，以平面波谱理论为基础，介绍了平面近场测量理论及其误差分析方法。

Based on this exasperate antenna performance,a new rectifier with high power conversion efficiency and low turn-on voltage is presented.

考虑到单线圈天线的性能降低，设计了一个新的具有高效率低启动电压的电荷泵整流电路。

The impacts of antenna parameters, excitation frequency on the voltage were discussed in the theoretical part.

论述了电磁波通道式 MWD传输装置信道计算的等效传输线法，分析了天线参数、激励源频率等参数的变化对检测电压的影响规律，并通过计算探讨了影响电磁波传输质量的因素。

The principles of microstrip balun and printed dipole were analyzed, and the antenna＇s ground plane was extended and shaped to form the reflecting structure.

分析微带巴伦和印制偶极子的工作原理，延伸并成形天线的地平面以得到反射结构。

Anyway, I googled wifi extender antenna what i ...

无论如何，我用Google搜索无线扩展天线是我。。。

Study of Behavior Mechanics of the Extendible Satellite Antenna with the Type of Twinning Ribs［J］.

星载天线缠绕肋条的力学特性研究［J］。

The area that has pulse drive only connects means to give out the device that choose frequency, like exterior sound wave the time domain of filter and antenna is answered.

只存在脉冲激励的带通体例给出选频安装，如概况声波滤波器和天线的时域响应。

The F ratio is assumed to be unchanged when using multiple antenna elements.

假定 F 比率在使用全向天线元素时是不变的，这种假定基于系统中智能天线的全面部署这一事实。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。