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- This method is using Morlet wavelet transform,phase compensating, filtering ,extracting the modulation spectrum of radar target by FFT, then radar target is detected. 此方法是利用小波变换 ,得到雷达目标回波信号的频率调频指数 ,对信号进行相位补偿 ,然后滤掉信号中的机身频谱和多普勒频谱 ,再进行相位补偿 ,用 FFT(快速傅立叶变换 )就可以得到目标的调制谱 ,由此实现目标识别。
- A method of modulation spectrum extraction from radiatednoise 一种从辐射噪声中提取调制谱的方法
- A method of reconstructing radiated noise modulation spectrum 一种重构辐射噪声调制谱的方法
- Study on Concentration Modulation Spectra of the Molecular Ion Beam by AC Glow Discharge 离子分子束源的浓度调制光谱研究
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- Frequency Locking of a Semiconductor Laser via Radio-Frequency Modulation Spectrum 采用射频频率调制光谱实现半导体激光器稳频
- The multiscale modulation spectrum analysis based on the mulitresolution analysis of noise caused by ship propoller cavitation 螺旋桨空化噪声的小波多尺度调制谱分析
- They could look at the spectra of the light the moons reflected. 他们可以观察月亮反射的光的光谱。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- There's a wide spectrum of opinions on this problem. 对这个问题的说法众说纷纭，莫衷一是。
- In the spectrum, distinct colours shade into each other. 在光谱中，截然不同的颜色相互融合起来。
- General inflection or modulation of the voice. 抑扬声音的一般性的起伏与变化
- The larger atoms have much more complex spectra. 较重的原子具有较复杂的光谱线。
- There is a wide spectrum of opinions on this question. 在这个问题上有著各种不同的意见。
- Our fifth concern is with modulation noise. 我们要讨论的第五个问题是调制噪声。
- The modulation works like an on/off toggle switch. 调制工作类似于板手开关。
- A modulation, especially a brief one. 转调转调，尤指临时性的
- The product structures were detd. by IR spectra. 用红外光谱对反应产物的结构进行鉴定。
- Filter selection is made using inherent spectra. 滤色镜的选择必须利用固有光谱。
- Describes the modulation scheme of the modem. 描述调制解调器的模块构架。
