查询词典 in-line antenna

A cell phone antenna switching circuit includes a plurality of built-in antennas which perform radio transmission/reception.

一种包括多个执行无线电发射/接收的内置天线的蜂窝电话天线转换电路。

D Since this antenna is really a tuned circuit, it also acts as a preselector. It only receives well in a narrow bandwidth of a few hundred kilohertz.

d这个天线具有调谐电路，因此它伴演预调谐器的角色，它对几百千赫的窄带信号接收得很好。

This kind of thing is starting to happen, albeit in a small way: The Loc8tor uses so-called Radio Frequency Identification or RFID tags, small, flat components that usually include an integrated circuit and an antenna, and that are designed to allow companies to track inventory just by passing goods close to a reader.

如今这类事情已经出现了苗头，尽管还只是发生在小范围。Loc8tor使用了一种名为射频识别的标签，这个小部件通常由集成电路和天线组成，企业可以用它来监测库存情况，只要把货品靠近阅读器便可以获取信息。

According to the formulae on radiation and radiation resistance in antenna theories, the radiation characteristics are illustrated that the radiation of under considered can be neglected.

运用小波矩量法求出导线中的电流分布，进而给出两个尺寸不同的圆形电感在平面入射波作用下的辐射方向图，并进行分析比较。

RFID tags are used in conductive ink by subtle conductive particles or other special materials (such as conductive polymer, etc.), Business card printing and membership card making to the substrate, acts as a conductor, antenna and resistance.

RFID标签用的导电油墨是由细微导电粒子或其他特殊材料组成，制卡和会员卡制作到承印物上后，起到导线、天线和电阻的作用。

A procedure is design of an antenna switch module with LTCC technology has been applied in GSM handset.

本论文使用LTCC技术研制应用於GSM手机之三频天线开关模组，不但可减少零件的使用数目，降低手机整体得重量与成本，还简化了手机的组装过程。

It also described the basic technology of the RF system's packaging and a System-In-Packagemodule of RF system with LNA, PPA, filter and antenna switch.

对高速数据处理和高密度封装技术的特点及对射频系统封装的特殊要求进行论述，介绍了射频系统封装的基本技术和一种包含LAN、PPA、滤波器、天线开关等的射频系统级封装组件。

Procedure is design of an antenna switch module with LTCC technology has been applied in GSM handset.

bstract：本论文使用LTCC技术研制应用於GSM手机之三频天线开关模组，不但可减少零件的使用数目，降低手机整体得重量与成本，还简化了手机的组装过程。

In this thesis, we utilize the bond wire for compensation on the input impedance matching of buried circuits. With proper design, the module has compact size, omni-directional radiation pattern, and low insertion loss of passive circuits. The proposed antenna switch module is suitable for applications of IEEE 802.11a WLAN.

本篇论文把此磅线的效应加以考虑并利用磅线近似电感的现象设计所有内埋的被动电路与天线，让此前端天线模组具有体积小、全向性辐射场型、以及被动电路特性良好之特色，频段适合於无线区域网路(IEEE 802.11a)的应用中。

Most of Chinese GPR have not as good performances as ones abroad. In the paper, the GPR system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling-hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. As the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm.

本文根据探地雷达系统工作原理，在电子科技大学探地雷达系统样机研制的基础上采用了各种有效的优化技术，包括探测前端、采样保持电路的优化，定位轮、目标定位、多线程技术的应用，数据采集处理和控制软件功能的拓展、各种有效的信号预处理算法的应用等，显著提高了系统的探测性能和增强了探测效果，使得系统方位、距离分辨率均达到了10cm，探测深度大于50cm，其性能指标达到国外先进水平，为进一步的实用化奠定了重要的基础。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。