查询词典 antenna resistanc

The major purpose of this research is to design a 915MHz RFID tag antenna base on unique features of fractal geometry and complex conjugate matching concept.

摘要 本论文研究的目的，在於利用碎型特殊的特性，来设计工作在915MHz的共轭匹配RFID天线。

We can see those unique fractal features and complex conjugate matching concept are of great help for us to design a high efficiency RFID tag antenna in a really short period of time.

这些独特并且特殊的碎型特性及共轭匹配的观念帮助我们在很短的时间内设计出高效率的RFID天线。

Under complex conjugate matching between antenna and charge pump, the measured range can reach 4.3m with stable DC output voltage equal to 1.3V.

在电荷泵电路与电感耦合宽频天线输入阻抗为共轭匹配时，且直流输出电压为1.3V，其量测距离可以到达4.3m。

Microstrip patch antenna has been wildly used because of its own advantages, such as: low profile, light weight, easy fabrication, conformability to mounting hosts.

由于微带贴片天线特有的优点(剖面低、重量轻、易制作和容易做到与飞行器共形等)，在实际当中得到了广泛的应用。

So the research and analysis on conformal antenna is valuable in the fields of engineering and national defense.

因此，分析研究共形天线的特性具有极其重要的国防意义和工程价值。

Conformal microstrip antenna has been widely used in many fields for it has many advantages.

共形微带天线具有众多优点，已经在很多工程领域中得到广泛应用。

As the development of technology , the use of conformal micropstrip antenna in plane and aviation aerocraft becoming more and more abroad.

随着科学技术的进一步发展，共形微带天线在导弹、飞机、航空航天飞行器上的应用十分广泛。

It is a new direction of development we use the conformal PBG structure in the conformal antenna.

本论文研究了共形PBG结构的带阻特性；将共形PBG结构应用于共形微带天线。

Conformal microstrip antenna is known as a key technique in radio fuze system.

共形微带天线是无线电引信中的一项关键技术。

Therefore, the research about the conformal antenna has been hot.

所以共形天线一直是研究热点。

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。