We analyzed the performance of spectrum sensing with energy detector in cognitive radio network.
分析了认知无线电网络中使用能量检测器进行频谱检测的性能。
The early approach is to accumulate the energy in the band of interest called energy Detection, energy Detector or Radiometer.
最早的检测方法要算对感兴趣的频段进行能量积累的能量检测方法。
The results show that the performance of this method is better than that of the energy detector and lower than that of the matched filter.
结果表明，该方法检测性能优于能量检测器，次于匹配滤波器。
In general, Energy Detector works best in the stationary environment, but is sensitive to noise fluctuation and jamming and cannot get signal parameters.
总的来说，能量检测在平稳的环境中性能是最好的，但是对干扰敏感且不能给出信号的参数。
The optimum detector for passive detection is energy detector. Yet energy detector usually deteriorates due to fluctuation of background interference and a decrease in SNR.
被动信号检测的最佳检测器是能量检测器，但是能量检测器往往因为背景干扰的起伏和信噪比的劣化导致检测性能的下降。
Solar cells supply the energy for this workpiece detector.
太阳能电池为工件探测器提供能源。
They also measured the energy fingerprints with a more detailed detector on the ground and took samples of the deposit to analyze concentrations in the lab.
他们还用探测项目更多的地面探测器测量了能量指纹，并采样送实验室分析提取物。
Winkler and Kappl used the Super-Kamiokande neutrino detector to search for such high energy solar neutrinos.
Winkler和Kappl使用了超级神冈中微子探测器来搜寻这种高能太阳中微子。
The performance of minimum output energy (MOE) detector will significantly degrade when the weight vector is affected by the noise.
当权向量受到噪声的影响时，最小输出能量(MOE)检测器的性能将显著下降。
The detector provides a new means to measure energy distribution of high energy laser beam.
该探测器为高能激光束绝对空间能量分布的测量提供了有效的诊断手段。
Semiconductor detector cooled by electricity; Energy resolution: 165? 10ev.
电制冷半导体探测器；分辨率：165 ？10电子伏特。
The vacuum and heat preserving apparatus of BGO detector using steam compressing are introduced, and temperature effect on energy resolution of BGO detector are discussed.
采用蒸汽压缩式制冷方法制作了BGO探测器真空保温系统，并探讨了温度对BGO探测器能量分辨率的影响。
Objective To solve the encountered problem of lack of space and dyskinesia of detector in dual energy X-ray absorptiometry system.
目的：解决骨密度仪使用中遇到的空间不足和探测器运动障碍的问题。
In addition, the radiance theorem is also adopted to establish the energy relationship between the virtual detector and the CCD camera.
此外，光学系统中像的辐射量度定理用来建立虚拟探测器平面与CCD相机平面之间的能量映射关系。
The results show the followings: 1 the energy response of the detector combination is related to the neutron energy, and the thickness of the polyethylene and Pb.
计算结果表明：1叠层探测器能量响应与中子能量、聚乙烯和铅的厚度有关。
The performance of the minimum output energy (MOE) detector will degrade when it is affected by the noise in the weight vector.
当权向量受到噪声的影响时，最小输出能量(MOE)检测器的性能将显著下降。
The M500 uses a high energy optical design and a sensitive DLATGS detector for excellent resolution over the full infrared range.
M500采用高能量的光学设计和敏感的DLATGS检测器，使红外线区域有优越的分辨率。
The measurement accuracy of electron beam by using semiconductor detector is easily affected by beam energy, dose rate, beam incidence direction, environment temperature etc.
电子束半导体探测器的测量精度易受到射线的能量、剂量率、入射方向和环境温度等条件的影响。
Detector output electrical pulse signal amplitude is proportional to the energy of incident particle or ray, by measuring the pulse amplitude, get the energy of incident particles or rays.
探测器输出的电脉冲信号幅度与入射粒子或射线的能量成正比，通过测量脉冲信号的幅度，得到入射粒子或射线的能量。
When these excited atoms return to the ground state, they will emit energy of a characteristic wavelength. The monochromator can direct these wavelengths to a detector.
当这些激发的原子回到基态时，会发射特征波长的能量。单色器可把这些波长引到检测器。
On the basis of conventional cross correlation, the detector can complete packet detection and fine symbol timing at the same time by accumulating multi-path energy.
在改进传统互相关算法的基础上，通过累积多径能量，该分组检测器可以同时实现分组检测和符号精定时。
On the base of conventional cross correlation, the detector can complete packet detection and fine symbol timing at the same time by accumulating multi-path energy.
在改进传统互相关算法的基础上，通过累积多径能量，使得该分组检测器可以同时实现分组检测和符号精定时。
The calculated results show that both energy response and resolution of the detector are related to neutron energy and the thicknesses of both polyethylene and Pb.
计算结果表明，叠层探测器的响应和能量分辨率与中子能量、聚乙烯以及铅衰减层厚度有关。
An automatic seismic signal detector based on a fast algorithm of energy spectrum has been developed for digital accelerograph.
我们在能量谱快速计算的基础上，研制成功了用于数字化加速度仪的自动地震信号检波器。
This review covers the following topics: the large detectors for high energy particle detection, the electronics for high energy physics experiments, and the detector physics.
文中讨论了以下问题：大型高能粒子探测器、高能实验电子学及探测器物理。
In its control system, the ultraviolet radiation sensor and photoresistor are used to form a detector to track the sun with solar energy modules.
控制系统采用紫外线传感器和光敏电阻组成对太阳光线的探测器，实现了太阳电池组件对太阳的跟踪。
Further, the acoustic detector may be operable to produce a signal representing the detected response by the construction material to the acoustical energy.
此外，声探测器可用于产生表示探测的建筑材料对声能的响应的信号。
We have studied and constructed a new detector by gas discharge and external quenching circuits to measure the low energy photoelectron emitted form the specimen surface.
研制了一种新型的探测器，利用气体放电和外部电路猝灭的方法测定样品表面发射的低能光电子。
Conclusion the practical value of GR-200A thermoluminescence detector is embodied in measurement of medical high energy electronic dose.
结论GR- 200a热释光探测器在医用高能电子线剂量测量中有一定的实用价值。
Conclusion the practical value of GR-200A thermoluminescence detector is embodied in measurement of medical high energy electronic dose.
结论GR- 200a热释光探测器在医用高能电子线剂量测量中有一定的实用价值。
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