查询词典 antenna array

The paper analyzes relevant technologies such as the high spectrum utilization antenna, robust time-delay extension modulation, equalization and encoding, highly efficient multi-address access and adaptive linking.

为了满足未来固定宽带无线接入系统高数据速率传输及高频谱利用率的要求，就需要在物理层和媒体访问控制层进行技术上的革新，所涉及的关键技术包括：高频谱利用率的天线系统、具有时延扩展鲁棒性的调制方式、均衡与编码技术、高效的多址接入技术、自适应链路技术等。

A Russian musher driving a team of sled-dogs past a radar antenna 40km outside of Moscow in Chulkovo, Russia.

俄罗斯musher驾车经过一雷达的雪橇犬队天线40公里外的莫斯科在丘尔科沃，俄罗斯。

The white antenna wire is visible inside of the transparent, neoprene hose.

白皮书天线是可见的电线内的透明，氯丁橡胶软管。

But its antenna pattern nonhomogeneity because of feed lateral displacement results in space variance of point spread function in PMMW image.

焦平面体制存在馈源偏焦的问题，导致成像系统的点扩展函数具有空变特性。

Selection criterion is based on the Frobenius-2 norm of received signal vector at each receiving antenna.

仿真结果表明，在高信噪比条件下，选择有最大范数的接收天线子集，系统能实现和使用全部接收天线的U码传输系统渐近相同的分集增益。

An unconstrained cost function is provided for the Orthogonal Space-Time Block Coded Multi-input-Multi-Output Antenna System. The global minima of the cost function are analyzed: in fact the global minima of the cost function is the normalized channel vector.

该方法主要利用了正交特性，给出了一个针对正交空时分组码MIMO系统模型的无约束代价函数，并分析了该函数的全局最小值：该无约束代价函数的最小值实际上就是实际信道的归一化矢量。

NOSTRADAMUS has a range of between 700 and 2,000 kilometers and is unique in not featuring a bistatic layout thanks to an unorthodox star-pattern antenna layout.

占卜者的探测范围为700到2，000公里，并且是唯一一套通过非传统的星型天线布局而没有进行发射与接收分离的系统。

If you set up open antenna , the signal of TV set will be better.

如果你安装室外天线，电视的收视效果会好些。

The multiple antenna Orthogonal Frequency Division Multiplexing system model is analyzed in this paper.

摘要该文首先分析了多天线发射和接收的OFDM系统模型。

A successfully antenna is outspread arrived the market such as China, United States, Vietnam.

并成功地把触角延伸到了中国、美国、越南等市场。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。