高效、可靠地检测频谱空洞是认知无线电研究的重要技术。
Efficient and reliable detection of spectrum holes is an important technology for cognitive radio.
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。
Spectrum sensing is one of the key technologies in cognitive radio and energy detection is a typical method of it.
1969年，国际业余卫星组织（AMSAT）成立了，其目的是促进业余无线电爱好者参与并讨论太空研究。
In 1969, the Radio Amateur Satellite Corporation (AMSAT) was created in order to foster ham radio enthusiasts' participation in space research and communication.
马里阿戴着无线电项圈，所以研究人员可以追踪她和她的孩子卡拉伊和宝拉。
Mariua wears a radio collar so researchers can track her and her babies, Karai and Porã.
进行此类研究的实际原因在于火山灰带电性将对飞机无线电通讯造成干扰。
The practical reason for understanding the electrical nature of ash plumes is that they can interfere with aircraft radio communication.
印度太空研究组织发言人S.Satish对外宣布，当地时间星期六凌晨1:30，与“月船1号”（Chandrayaan-1）无线电通信突然中断。
Radio contact with the Chandrayaan-1 spacecraft was abruptly lost at 1:30 a.m. local time on Saturday, said S. Satish, a spokesman for the Indian Space Research Organization.
先前研究人员将该“灵敏”方法引入认知无线电设计中，该设计通过捕获最佳可用频谱提高吞吐量以满足用户通信需求。
Researchers previously introduced this "smart" approach in cognitive radio designs, which sought to improve throughput by capturing the best available spectrum to meet user communication requirements.
软件无线电技术为解决上述问题提供了一个可行的方法，成为人们研究的热点。
Software radio technology offers a feasible method to solve this problem so as to become a focus of research.
尽管此前从未有人成功捕捉到野生美洲豹并在其身上安装无线电装置以进行研究，Rabinowitz仍接受了这一任务。
Rabinowitz accepted the position despite the fact that nobody had ever captured jaguars or undertaken a radio study.
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。
Using radio frequency or microwave technology for breast cancer detection has been proven by researchers in the US, Canada and UK.
认知无线电的频谱分配技术研究的是如何对检测到的空闲频谱资源进行有效的管理，是认知无线电系统的一项关键技术。
The spectrum allocation technology, which is one of the key technologies of cognitive radio, the research emphasis is how to manage the spectrum resource effectively.
研究人员表示需要进一步的研究以证实当前的研究结果并且确定无线电辐射对树木的长期影响。
The researchers urged that further studies were needed to confirm the current results and determine long-term effects of wireless radiation on trees.
本文在对软件无线电中频调制解调器研究的基础上，提出了一种新的思路和解决方法。
The paper provides a new thought and solution based on the research of the IF modulator and demodulator of Software Radio.
研究建立了无线电引信模拟打靶质量检测系统。
The paper sets up a quality measurement system of a simulated target for a radio fuze.
该系统设计主要是围绕无线电遥控的相关理论和应用进行研究。
The system is designed mainly around the radio-controlled application of relevant theory and research.
提出了一种新的研究电气化铁道无线电干扰电波传播规律的测量方法。
The authors of this paper has put forward a new measurement method to study propagation characteristics of radio noise caused by electrified railways.
研究利用无线电引信弹道监测原理进行长路径弹丸转速的测量方法和工程实现途径。
The method and its engineering realization of measuring long distance projectile rotating speed by means of radio fuse trajectory monitoring principle are developed.
但对大气中电的全面研究直到研制出无线电和雷达之后才成为可能。
But a thorough study of electricity in the atmosphere was not possible until the development of radio and radar.
挪威一项最新研究表明，手机产生的无线电辐射场并不会导致头痛或血压升高。
Exposure to the radio frequency fields generated by mobile phones does not cause head pain or increase blood pressure, according to a Norwegian study.
但是由于无线电装置已经普遍存在，研究人员希望确定它们的安全性。
But because wireless devices have become almost ubiquitous, researchers wants to ensure their safety.
本论文对软件无线电的几个关键技术进行了比较深入的研究。
In this paper, some key technologies of SDR are researched deeply.
本文研究了认知无线电关键技术之一的频谱检测技术，并对频谱检测技术在无线体域网中的应用进行了分析。
This paper has studied on spectrum sensing technology, one of the key technologies of cognitive radio systems, and its application of wireless body area networks.
本文研究了无线电引信中的频率捷变调频定距技术。
This paper analyzes the technology of frequency agility and FM fixed-distance in the field of radio fuze.
研究了软件无线电中的几种主要的接收机系统结构，并进行了分析、比较。
Several kinds of systematic structure of software radio receiver are studied, analyzed and compared.
本文在对多普勒无线电测向技术深入研究的基础上设计实现了一套无线电自寻的系统。
In this paper, a Radio Direction Finder system is designed on the basis of the principle of Doppler Diretion Finder technology.
本文在对多普勒无线电测向技术深入研究的基础上设计实现了一套无线电自寻的系统。
In this paper, a Radio Direction Finder system is designed on the basis of the principle of Doppler Diretion Finder technology.
应用推荐