English translation for "fourier spectrum"
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- 傅里叶频谱
傅里叶谱
傅里叶叶谱
傅立叶谱
付立叶谱
Related Translations:
- Example Sentences:
| 1. | Simulation of wind field based on stochastic fourier spectrum
谱的风场仿真 | | 2. | Some characters and fourier spectrum characters of the almost perfect autocorrelation sequence pairs are discussed , and the necessary conditions of existences of the almost perfect auto - correlation sequence pairs are given
其次，提出了几乎最佳自相关序列偶的理论，它是几乎最佳自相关序列的深入和发展，探讨了它的性质，谱特性，存在的必要条件。 | | 3. | 2 ) fourier amplitude spectrum analysis : ( 1 ) the fourier amplitude spectra decrease with the increment of depth ; and the components of fourier spectrum become complex in near - surface . ( 2 ) the fourier amplitude decrease faster in shallow soil level , and smaller in deep soil level . ( 3 ) compared with the deepest bedrock fourier spectrum , spectral components of higher than 5 hz decrease with depth decrease
2 .地震动傅立叶振幅谱沿深度的变化规律( d随着深度的增大，傅氏谱振幅逐渐减小;越接近地表傅氏谱的频谱成份越多，形状越复杂;傅氏谱振幅值在浅层沿深度的下降梯度较大，在深层下降较小; “土层/基岩”场地的基岩内_匕下两测点的地震动频谱沿深度几乎不变，傅氏谱十分相似; d基岩以上的土层测点，高于shz的高频成分减少。 | | 4. | Lastly , aiming at the poor results which all current algorithms do for directional textures , and cannot synthesis texture directly , aiming at the particularity of this kind of textures , we bring forward the conceptions of non frontal parallel textures and frontal parallel textures . by analyzing texture ' s direction through fourier spectrum , we introduce the conception of main direction , and solve the approximation value of texture ' s main direction by discrete approximated approach . by this way , we can synthesis indirectly simple structural non frontal parallel textures
最后针对现有算法对带有方向的纹理合成效果差，无法直接合成纹理图像的难点，本论文首先提出了非正平行纹理与正平行纹理的概念，分析了它们之间的内在联系，引入了两个角度参数来描述纹理的朝向，采用傅立叶频谱法分析纹理的方向特性，并提出了纹理主方向的概念，本论文引入离散逼近的方法来求解出纹理主方向的近似值，这样我们就能用一种间接的方法合成简单的结构性非正平行纹理。 | | 5. | After the comparison of the merits and faults between fourier spectrum analysis method and wavelet - neural network analysis method , the latter is selected . after the research on the principle of accuracy - loss diagnosis of the dynamic measurement , the diagnosis theory and method are advanced . according to the error model established of the dynamic system and the results of the error tracing , using bp neural network , the accuracy - loss law of each inner unit is acknowledged
对于实际进行误差分解与溯源的信号处理方法，在比较了谱分析方法与小波神经网络分析方法的优缺点之后，指出谱分析方法的分解结果不够理想，并最终确定用小波神经网络来进行实际测量系统的误差分解与溯源。 | | 6. | These are correlation characteristic parameter , fourier spectrum characteristic parameter , power spectrum characteristic parameter , time domain amplitude characteristic parameter , linear prediction coding coefficients , instantaneous characteristic parameter , absorb and decay coefficient , velocity characteristic parameter and wavelet packet transform characteristic parameter . the parameters contain the surface relatively wide , the prediction which is suitable for the goal of many kinds of seism needs
分别为：自相关特征参数、付立叶谱特征参数、功率谱特征参数、时域振幅特征参数、线性预测编码系数、瞬时特征参数、吸收衰减系数、速度类特征参数和小波包变换特征参数，参数涵盖面较宽，适用于多种地质目标的预测需要。 | | 7. | While in the feature extraction , four ways are researched such as the means of encode of iris texture , the improved algorithm based on daugman ' s , the approach of identification by means of the fourier spectra of the transmission binary model of the human irises and the method of iris identification using wavelet transform . the advantages and disadvantages of these ways are compared . improved algorithm based on wavelet transform is proposed and proves feasible
虹膜定位中既分析了前人的一些算法，指出算法中的不足，又结合数学形态学和hough变换等理论提出两种新的虹膜定位方法；虹膜特征提取算法中，研究了daugman对虹膜纹理的粗量化和编码，康浩等在daugman基础上的改进算法， muron等人的利用虹膜二元模型的傅立叶光谱分布特征进行识别以及boles的基于小波变换的虹膜识别算法等，比较出各个算法的优缺点，并且在boles的研究基础上进行了改进，经实验证明该方法可行。 |
- Similar Words：
- "fourier sine transformation" English translation, "fourier space" English translation, "fourier spectrometer" English translation, "fourier spectrometre" English translation, "fourier spectroscopy" English translation, "fourier stieltjes integral" English translation, "fourier stieltjes series" English translation, "fourier stieltjes transform" English translation, "fourier surface" English translation, "fourier synthesis" English translation
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