The short range of the induction-loop antenna in the lens means the external antenna has to be very close to the eye: taped around the eye socket, in fact.
眼镜内感应圈天线短意味着外部天线离眼睛一定很近：实际上就是黏在眼眶周围。
A mobile phone, souped-up with such an antenna, can talk to a network tower that is dozens of kilometres beyond its normal range (about 5km, or 3 miles).
一部手机，若以这种天线增强过，就可以同广播塔通话，比其正常距离(约五千米，或3英里)远几万米。
The test principles and test methods of the antenna and satellite RF system in Compensated Compact Range are summarized, and the test errors are analyzed.
概要讲述了利用紧缩场进行卫星整星状态下的天线及卫星系统测试的原理及方法。文章还对该紧缩场的测试误差进行了全面的分析。
The orbital inclination, orbital altitude, elevation of GPS antenna and orbital eccentricity were researched as the influential factors to doppler range.
研究轨道倾角、轨道高度、GPS天线仰角和轨道偏心率等因素对多普勒频率搜索范围的影响。
The antenna is capable of acquiring the range and angular information of all obstacles in its field-of-view simultaneously without using a scanning or switching antenna.
这种天线能够同时获得其视野内所有障碍物的范围和角度信息，不需要使用扫描天线或转换天线。
Then basing on the rational receive of telemetry signal, we have educed the numerical value calculating method of antenna covering range.
并基于遥测信号合理化接收，导出天线覆盖范围的数值计算方法。
The simple formulae of fast calculating aperture antenna directivity and gain are derived using antenna beamwidths. Applied range of these formulae are analyzed and discussed.
导出了用天线方向图的半功率波束宽度快速计算口径天线方向性系数和增益的简单表达式，分析讨论了这些公式的应用范围。
The objective of this article is mostly using characteristic of Shape Memory Alloy (SMA) to control the thermal deformation of antenna at orbit, ensuring the precision of antenna in a certain range.
本文的主要目的是利用形状记忆合金的特性控制在轨天线的热变形，以此来保证天线的精度在一定的范围之内。
Three subjects-UWB radar antenna, UHF/VHF band receiver noise temperature, and the target detection from background, which are main factors in UWB SAR range equation, are studied.
从超宽带雷达天线、UHF/VHF波段接收机噪声温度以及最小可检测的信噪比三个方面研究了超宽带合成孔径雷达方程。
Initial value measurement of antenna delay is very important in range system.
在测距系统中，天线时延初值的测量是很重要的。
The operating band of an individual antenna covers e. g. the frequency range used by a radio system or only the transmitting or receiving band in that range.
单个天线的工作频带覆盖了例如由无线电系统所使用的频率范围或者只是该频率范围内的发射频带或接收频带。
The antenna may maintain its performance throughout a range of position.
这种天线在一定位置范围之内都可以维持其性能。
Because of this, external antennas by Pulse provide a cost efficient and straightforward solution for a large range of handset projects for which an external antenna is the desired antenna solution.
正因为如此，外部天线提供一个成本高效脉冲和简单的解决方案，为一大范围的手机工程是一个外部天线理想的天线的解决方案。
The process of adjusting impedance so that the input impedance of an antenna equals or approximates the characteristic impedance of its transmission line over a specified range of frequencies.
天线匹配指定频率范围内，调整阻抗使得天线的输入阻抗等于或大致等于其发射线路特性阻抗的过程。
For example, the switches may change the overall length of the antenna such that the frequency range of the antenna is changed.
例如，该开关可以改变天线的总长，从而改变天线的频率范围。
The excellent impedance matching performance is required by range finder radar antenna.
测距雷达对天线的阻抗匹配性能提出了很高的要求。
The effective area of the receiving antenna is calculated with the established models, and measured at some points in the given frequency range.
通过建立相应模型，对接收喇叭的有效面积进行了计算，并在部分频率点上进行了实测。
Airborne long range battlefield surveillance radar is a new kind of airborne multimode radar with passive phased-array antenna.
机载远程战场侦察雷达是一种新型的多模机载雷达，它采用无源相扫体制。
These benefits make the Pulse ceramic antenna product range perfect for realizing complementary RF functions into mobile phones.
这些好处脉冲陶瓷天线系列产品完美互补作用实现射频手机。
Thus, the size of the dielectric antenna can be reduced and the dielectric antenna can have a wide range of a frequency band suppressing the maximum value of the VSWR to a small value.
由此，能够实现介电体装载天线的小型化，并且在该介电体装载天线中，可实现将VSWR的最大值抑制得较小的频率频带的宽频带化。
For example, both the EAS(Electronic Article Surveillance) system and the RFID(Radio Frequency Identification) system need high effective the short-range radio communication antenna.
例如，许多电子安检设备，如EAS（商品防窃检测）、RFID（射频识别）读写设备等，都要应用高效的近场通信天线。
The time-domain pulse antenna has the ability to radiate and receive the fast changed transient signal, because this kind of pulse radiation antenna has very wide frequency range.
时域脉冲天线具有辐射和接收快速变化的瞬态脉冲信号的能力，这种脉冲天线能够覆盖很宽的频带。
A tuneable antenna is an antenna that can change resonance frequencies for effective reception of a wide range frequency bands.
一个可调谐天线是一个天线，可以改变一个广泛有效的频段接收共振频率。
An antenna that while maintaining a desirable level of gain for radio waves of a wide range of frequencies, realizes a compact outline, constructed of a core (1) of laminate structure.
提供一种能够在针对宽频的电波维持所期望的水平的增益的同时使外形小型化的天线，使用层叠结构的磁芯(1)构成天线。
The term "smart" means the antenna can be adaptively modified the weighted values according to the needs of the users and the propagation environment in certain range.
智能天线的智能主要体现在天线阵的加权矢量能够根据用户的需要和天线传播环境的改变而自适应地进行调整。
The electrical testing readjustment is an important procedure to ensure compact antenna test range (CATR) performance.
紧缩场电气测试调整是保证紧缩场最终电气性能指标的一个重要过程。
The electrical testing readjustment is an important procedure to ensure compact antenna test range (CATR) performance.
紧缩场电气测试调整是保证紧缩场最终电气性能指标的一个重要过程。
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