查询词典 block antenna

Genetic algorithm is used to design the sectored array antenna in smart antenna system in this paper.

本文使用遗传算法设计了智能天线系统前端的扇区天线阵列。

Genetic algorithm is used to design the sectored array antenna in smart antenna system in this paper.

本文使用遗传算法设计了智能天线系统前端扇区天线阵列。

According to the structural characteristics of Wireless Sensor Network,a novel range-free and distributed positioning algorithm is proposed based on anchor's sectored antenna and sensor's omnidirectional antenna.

基于锚节点装配的扇区天线和普通节点装配的全向天线，提出了一种非测距分布式节点定位算法。

Helical antenna satisfies the demand for the stubby antenna miniaturization. It has a rapid development in recent years.

螺旋天线满足人们追求外置天线小型化的要求，近年来得到迅速普及。

Inputs and Outputs Front Panel: Phones: Standard headphone output jack (gold-plated) Video 4: Gold-plated stereo RCA jacks, gold-plated RCA composite video jack and S-video jack Digital Optical 3 Input: Standard Toslink digital input with a plastic protective plug Digital Coax 3 Input: Standard gold-plated coaxial digital jack Back Panel: AM Loop Antenna Input: Two thumb screw connections FM 75-ohm Antenna input: Threaded "F" type connector Tape Input/Output: Stereo RCA jacks Video 3 Input: Stereo RCA jacks, RCA composite video jack and S-video jack Video 2 Input/Output: Stereo RCA jacks, RCA composite video jacks and S-video jacks Video 1 Input/Output: Stereo RCA jacks, RCA composite video jacks and S-video jacks DVD Input: Stereo RCA jacks, RCA composite video jack, and S-video jack CD Input: Stereo RCA jacks Monitor Output: RCA composite video jack and S-video jack Subwoofer Preamp Output: 1 RCA jack Digital Optical 1 Input: Standard Toslink digital input with a plastic protective plug Digital Optical 2 Input: Standard Toslink digital input with a plastic protective plug Digital Coax 1 Input: Standard coaxial digital jack Digital Coax 2 Input: Standard coaxial digital jack Digital Optical Output: Standard Toslink digital output with a plastic protective plug Digital Coax Output: Standard coaxial digital jack Remote Control In/Out Jacks: One mini-jack input and one mini-jack output Speaker Outputs: Binding post outputs for front left, front right, surround left, surround right, and center speakers (posts are not 5-way binding posts, because each post has a plastic collar that prevents used with spade lugs and the posts are too far apart to use dual banana plugs) AC Outlets: One unswitched AC outlet and one switched AC outlet

投入和产出接待小组：电话：标准耳机输出插孔视频4 ：镀金立体声RCA插孔，镀金的RCA复合视频插孔和S - Video插孔数字光学3输入：标准Toslink数字输入与一个塑料保护插头数字同轴3输入：标准镀金同轴数字接口背板：上午环形天线输入：两个拇指螺丝连接调频75欧姆天线输入：线程的& F &型连接器，磁带输入/输出：立体声RCA插孔视频3输入：立体声RCA插孔，插孔的RCA复合视频和S - Video插孔视频2输入/输出：立体声RCA插孔，莲花复合视频插孔和S - Video插孔视频1输入/输出：立体声RCA插孔，插孔的RCA复合视频和S端子接口的DVD输入：立体声RCA插孔，插孔的RCA复合视频和S -视频CD输入端插孔：立体声RCA插孔监视器输出：复合视频的RCA插孔和S - Video插孔低音前置输出： 1的RCA插孔数字光1输入：标准Toslink数字输入与一个塑料保护插头数字光2输入：标准Toslink数字输入与一个塑料保护插头数字同轴输入1 ：标准同轴数字接口数字同轴2输入：同轴数字接口标准数字光输出：标准Toslink数字输出塑料防护插件数字同轴输出：标准同轴数字接口远程控制在/输出插孔：一个迷你插孔输入和1个小型插孔输出扬声器输出：结合后产出的左前方，右前方，左环绕，右环绕和中心发言（职位不是5个具有约束力的方式，因为每个职位有一个塑料环，可以防止使用铁锹派和职位过于遥远使用双香蕉插头）交流插座：一个unswitched AC插座和一个开关AC电源插座

When the modeling of antenna is closed to the natural ambience, then we can dope out the antenna performance exactly.

对天线的建模越接近于其工作的实际环境，就能越精确地预测其工作特性。

So the design method given in this paper avoids the blindness of the design of the antenna, decreases the waste of the antenna fabricates repeatedly. On the other hand, this method takes advantages of the geometrical theory and the nonlinear optimization, so it can be used in a wide region. This leads us a new road to design conformal array in the complex electromagnetic environment.

因此，应用本论文的设计方法，避免了天线设计的盲目性，减少了重复加工的浪费，同时由于整套设计方法利用了几何绕射理论和非线性规化的数学手段，因而具有广泛的通用性，为复杂电磁环境下共形阵的设计走出了一条新路。

Antenna, 75 ohm, 100 ohm two kinds, according to required configuration, there is ghosting may adjust or change the TV antenna position.

天线，75欧姆，100欧姆两种，根据需要配置，有重影，可能调整或改变电视天线的位置。

In this paper, the effect of antenna boresight pointing instability on SAR image quality is studied. At the same time, the theoretical analysis and simulation results for the effect of antenna azimuth and elevation boresight pointing multi-frequency jittering on image quality in a squint mode are given respectively.

研究了天线波束指向抖动对图像质量的影响，分别给出了等效斜视情形下天线波束方位向多频抖动和距离向多频抖动对成像质量影响的理论分析和仿真结果。

After antenna array is meliorated, the channel capacity of multi-beam array is much better than that of the adaptive array antenna.

合理设计单元天线和阵列结构，其提高系统信道容量的能力远大于自适应智能天线。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。