We focus on energy detection for spectrum sensing and find the optimal fusion rule which is the half-voting rule.
在频谱感知中，我们使用能量检测的方法，发现半投票准则是最优的融合准则。
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 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。
By comparing amplitude detection and energy detection, the output detection methods and the suitable application occasion of each are discussed.
就信道化输出结果的检测进行了讨论，对比了幅度检测法和能量检测法，指出了两种方法的优缺点及其应用场合。
A large amount of data acquired in the sea is applied in the experiments to prove detection validity by comparing the new method with energy detection.
检测的有效性实验采用大量的海上实测数据进行测试，并与能量检波方法对比。
The ordinary detection methods for weak signals, like energy detection method, can't meet the practical requirements for the detection of these signals.
常规的微弱信号检测方法，如能量检测方法，对这类信号的检测不能满足实际需要。
Besides, the CR users with high SNR will send assistant information to the ones with low SNR in order to help them complete the local spectrum sensing by double adaptive thresholds energy detection.
此外，信噪比(SNR)高的认知用户，向信噪比低的认知用户发送辅助信息，以帮助它们利用自适应双门限法更加准确地完成本地频谱检测。
Astronomers infer their existence based on their gravitational influence on what little bits of the universe can be seen, but dark matter and energy themselves continue to elude all detection.
基于宇宙中观测到的微小万有引力作用，天文学家推断出它们的存在，但暗物质与暗能量本身仍在可直接探测的盲点区。
Detection of echo energy could reveal the presence of a target and its location, size, shape, density and intensity.
检测回波能量就可获知目标物的存在、位置、大小、形状、浓度及强度。
Zhai said the material has applications beyond surgical robotics, chemical detection, and energy storage.
翟磊说这一材料已被应用于外科手术机器人、化学检测和能量存储。
The new power pack will also absorb energy across the electromagnetic spectrum, making infantry less liable to detection by night vision equipment that uses infra-red technology.
新能源包也能从电磁波频段吸收能量，使步兵降低被使用红外技术的夜视设备发现的概率。
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。
If the quartz watch suddenly found to walk slowly, it is likely that the battery energy shortage caused by, you can watch the watch to the maintenance point of detection.
如果石英表忽然发现走慢，很可能是电池能量不足造成的，您可以将手表送到维修点检测电量。
Modal acoustic emission (MAE) that USES the energy produced by the growing crack for detection without scanning has shown its conspicuous advantage.
模态声发射由于无需扫查工件而利用裂纹生长产生的能量来实现检测，从而显示了极大的优越性。
The measure technology of multi-channel nuclear energy spectral is the basis of matter composition analysis and radioactivity detection by way of nuclear analysis method.
多道核能谱测量技术是用核分析方法进行物质成分分析和放射性检测的基础。
This paper is concerned with the optimum waveforms foe detection in reverberation environment, under a maximum detection factor criterion with an energy constraint.
本文讨论了能量受限下，以最大检测指数为最优化准则，在混响环境中缓慢起伏点目标检测的最佳信号设计问题。
The detection performance relies finally on Signal Noise Ratio (SNR) in the traditional energy based detection technology.
传统的能量检测在接收信号为高斯分布下最优，其检测性能最终取决于信噪比。
Low SNR point target detection is the currently research focus, energy accumulation is one of its key elements.
低信噪比小目标检测是当前的研究热点，能量积累是其关键技术之一。
Reseatch result shows that watermark detection error is mainly influenced by the watermark mean energy and watermarking capacity. The detection error rises with the increase of watermarking capacity.
研究结果表明，水印检测错误率主要取决于水印的平均能量和水印容量，而且随着水印容量的提高而增加。
These clever forms of matter and energy are capable of speeding up the motion of stars and galaxies and the expansion of the universe, while eluding direct detection at the same time.
这些以机灵方式存在的物质和能量，能加速星球和星系的运动以及宇宙的膨胀，同时又规避了我们的直接侦测。
Actually, as the basis of radar signal detection, the signal energy is also an important factor, which means the target will not be detected until the signal energy achieves certain demand.
事实上，能量因素作为雷达信号检测的基础也应被考虑，因为只有当清晰区内的目标信号能量满足一定要求时目标才能被检测。
This paper analyzes speech endpoint detection based on short-term energy feature in the presence of noise.
研究了噪声环境下，利用短时能量为特征进行语音端点检测的问题。
The main speech signal endpoint detection methods, such as short time energy based scheme, HMM based scheme, related alike scheme and so on are investigated deeply.
对语音信号端点检测的主要方法，如基于短时能量的方法、基于HMM的方法、基于自相关相似距离的方法等进行了深入研究。
The characteristics of digital voice short energy and ZRC is studied, and a new voice activity detection algorithm based on finite state machine is presented.
研究了数字语音短时能量和过零率特点，提出了基于有限状态机的端点检测新算法。
The calibration of the energy response of the detection elements for soft X ray spectrometer is reported.
报道了软x光能谱仪探测元件的能量响应曲线标定工作。
In this paper, a novel method based on mathematical morphology average filter and energy operator is developed for voltage flicker detection.
提出了一种基于数学形态学均值滤波与能量算子包络检测的电压闪变实时检测的新方法。
And the energy linearity and relative detection efficiency of these counters are also discussed.
介绍了计数管的能量线性和相对探测效率。
Therefore, a new cavern detection technique called accumulation energy difference method was proposed, which USES the seismic reflection energy difference in trace or between traces to detect caves.
为此，提出了一种新的溶洞检测方法——累计能量差法，即利用道内或道间地震反射能量上的差异进行溶洞检测。
Analyzes the various infections on the detection ability by researching the star energy and system MTF.
从星光信号能量和系统传输函数理论出发，分析了影响星敏感器的探测能力的各个环节。
The simulation results for a pin point electron beam show that a good resolution corresponds to lower values of primary energy, detection energy Windows and detection Angle.
点源模型的模拟结果显示小的入射能量、探测能量窗口及探测角值对应较好的分辨率。
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