The original radar combined these two things, as its English name radar showed: Radio Detection and Ranging.
最初的雷达正如它的英文名称“雷达”(radar)所表示的那样，包括两个方面：无线电测物和测距。
The simple detection of a radio signal will be sufficient to answer this most basic of all questions.
对无线电信号的简单探测就足以回答这个最基本的问题。
Using radio frequency or microwave technology for breast cancer detection has been proven by researchers in the US, Canada and UK.
利用无线电频率或微波技术进行乳腺癌检测已经被美国、加拿大和英国的研究人员们所证实。
In intelligent peripheral subsystem, Radio Frequency Front Modules include linear power amplifier, low noise amplifier and detection control circuit.
智能天线子系统中，射频前端模块包括线性功率放大器，低噪放大器，检测控制电路。
Efficient and reliable detection of spectrum holes is an important technology for cognitive radio.
高效、可靠地检测频谱空洞是认知无线电研究的重要技术。
Secondly, the uncertainty during the process of the spectrum detection is caused by the random of the channel in the Cognitive Radio network.
其次，在认知无线电网络中，由于信道的随机性，造成频谱检测过程中的不确定性。
Pilot symbol aided detection is an efficient detection scheme used in land mobile radio environment.
引导码元辅助检测是陆地移动无线环境下的一种有效检测方案。
RF radio frequency accuracy is a crucial aspect of the parameters, the article describes the detection of RF precision steps.
说明：RF精度是射频方面的一个至关重要的参数，文章介绍了检测RF精度的步骤。
This course explores the detection and measurement of radio and optical signals encountered in communications, astronomy, remote sensing, instrumentation, and radar.
这一门课程是探讨在通信、天文、遥测（遥感）、仪器与雷达上的射频信号与光信号的检测与度量。
With coherent detection, radio frequency (RF) signal can be recovered with simultaneously suppressed second-order distortion and third-order intermodulation.
通过相干检测的方式，可以恢复出不受二阶和三阶干扰的射频信号。
Compressed sensing is a novel technology in signal information processing. It offers a new wide-band spectrum detection scheme in cognitive radio.
信号信息处理的新技术压缩感知，提供了认知无线电中宽带频谱检测的新方案。
The hardware structure and software design of a comprehensive detection instrument of radio compass are introduced.
介绍一种无线电罗盘综合检测仪的硬件构成及软件程序设计。
It realizes same radio spectrum using by multi-users. So spectrum detection is the key technique for realization of cognitive radio.
检测主用户信号是否存在的频谱检测技术就成为认知无线电系统的关键技术。
Spectrum sensing is one of the key technologies in cognitive radio and energy detection is a typical method of it.
频谱感知是认知无线电研究的关键技术之一，能量检测法是典型的频谱感知方法。
The third Generation mobile communication system includes highly effective channel encoding-decoding, software radio, smart antenna, multi-user detection and interference cancellation etc.
第三代移动通信系统的关键技术包括高效信道编译码技术、软件无线电技术、智能天线技术、多用检测和干扰消除技术等。
Between 1305-1365 trenches in a geologic forecast and radio waves Tunnel tomography detection of combining integrated positioning forecasting methods;
在1305-1365坑道之间采用地质预测与无线电波坑透层析成像探测相结合的综合定位预测方法；
Signal detection is the primary job and the key technology in cognitive radio.
信号检测技术是认知无线电中的首要及关键技术之一。
The principle and method of inductive radio are analyzed; the formula of position detection is derived; and related experiments are carried out.
分析了感应无线检测的原理和方法，推导出了位置检测公式，并进行相关试验。
The Doppler spectral broadening due to nonstationary movement of target and radio-frequency clutter will decrease the veracity of target detection by high frequency ground wave (HFGW) radar.
海面低速目标的非均匀运动和射频瞬态干扰引起的多普勒谱展宽影响高频地波雷达检测目标的准确性。
The paper elaborates the design and implementation of face detection, face recognition, image acquisition and implementation of radio frequency-cards information access.
文中重点阐述了人脸检测识别软件的设计与实现、图像采集及射频信息读取的实现。
In terms of hardware, the detection system is divided into radio frequency module, H2S sensor conditioning circuits, routers, coordinator, display, serial port and power supply module circuit design.
硬件方面，主要分为无线射频模块、H2S传感器调理电路、路由器、协调器、显示、串口、电源模块等元电路进行设计。
The results indicate that the preprocessing not only makes the system has higher ability of target detection but also suppresses the radio frequency interference by 6~7 dB.
该方法通过最大值搜索法进行地波定标、平均插值法消除盲区和统计阈值法消除射频干扰，然后将探测得到的数据进行处理。
The card works by a radio-frequency detection method that requires the card only to be placed close to the merchant's terminal for the details of the transaction to be transferred and logged.
这种卡是根据无线频率感应原理工作的，付款时只要将卡靠近商家的支付终端便可以显示详细交易清单并完成支付。
The different packet flows associate packets having similar or identical radio link protocols (RLPs) in order to achieve the necessary error detection for such related packets.
这些不同的分组流将具有相似或相同无线电链路协议(RLP)的分组相关联以达成对此类相关分组必要的检错。
The different packet flows associate packets having similar or identical radio link protocols (RLPs) in order to achieve the necessary error detection for such related packets.
这些不同的分组流将具有相似或相同无线电链路协议(RLP)的分组相关联以达成对此类相关分组必要的检错。
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