frequency space
英 [ˈfriːkwənsi speɪs]
美 [ˈfriːkwənsi speɪs]
网络 频率空间
双语例句
- Finally, the contributions of the different portions of the body's surfaces to the maximum SPL field points are analyzed, and their features versus frequency and space are also analyzed.
最后，分析车身表面不同位置对声场最大声压级点的贡献量及其随频率和空间分布的规律。 - Improved algorithm of nonlinear extrapolation in frequency space and its application in passive millimeter-wave image enhancement
一种改进的非线性频谱外推算法及其在无源毫米波图像增强中的应用 - Space Frequency/ Space Time Frequency Code Based on Rotation Transformation and Orthogonal Construction
基于旋转变换和正交结构的空频/空时频编码技术 - Behavior analysis of the active contour model in restriction of the frequency space distance
主动轮廓线模型在频域距离约束下的行为研究 - As this accelerometer is aiming to detect gravity gradient signal with low frequency in space, its response to lower frequency excitation is of special interests in here.
由于此类加速度计是用于测量空间重力梯度这类慢变信号的，因此还重点分析在低频信号输入时的系统响应特征。 - The paper groped the method for extracting and quantity those rich texture information using the clip transformation and effective average gradient ( EAG) technique in gray space and the multi-frequency transformation or the wavelet packets technique in frequency space.
对纹理信息的提取侧重于空域的灰度剪切与有效平均梯度相结合及频域空间内的小波包等技术。 - Theoretic analysis showed that the minimum jamming power could enter ST-FSK demodulator if frequency space were optimal.
理论分析证明，当频率间隔满足一定条件时注入ST-FSK解调器的干扰功率达到最小。 - Imaging interferometric lithography ( IIL) uses multiple exposure to record different portions of the spatial frequency space of mask and greatly increases resolution.
成像干涉光刻技术（IIL）利用多次曝光分别记录物体空间频率的不同部分，极大地提高了成像质量，其中大角度倾斜照明是对OAI的扩展。 - Wavelet packet has better decomposition character than wavelet, and can more validly decompose the frequency space of signal. In this paper, eliminating the periodic narrowband noise with wavelet packet has been put forward.
小波包比小波具有更好的信号细化特性，能更有效的划分信号的频率空间，因此，本文采用小波包来剔除局放信号中的周期性窄带干扰。 - But the algorithm based on traditional FFT can cause range precision and velocity precision decreased, because of the inherent frequency space of FFT.
但是在实现时，如果只采用传统的FFT作为核心算法就会引起较大的测距、测速误差。 - The good localization characteristics of wavelet functions in both time and frequency space allow hierarchical multi-resolution learning of input-output data mapping.
由于小波变换在时间和频率空间具有良好的定位特性，使小波神经网络可对输入、输出数据进行多分辨的学习训练。 - An individual specific face subspace for each person is established in frequency space.
该方法首先利用小波变换减小表情因素对人脸验证的影响，再为每个人建立单独的个体特征脸子空间。 - Furthermore because of the distortion, system data transmission rate is declined resulting in the drop of system capacity, or the system channel frequency space is expanded resulting in the drop of spectrum utilization.
此外，失真还使系统的数据率下降而降低了系统的容量，或使系统信道频率间距变大而使系统的频谱利用率下降。 - Texture Classification of SPOT ( Pan) Image Using Minimum Distance in Frequency Space
基于频域最小距离的SPOT（Pan）图像纹理分类算法 - By exploiting wavelet packet transform to analyze signals both in time and frequency space, this paper researches the statistic property of non-Gaussian stationary noise and its signal structure.
该文利用小波包变换的时频局部分析能力，研究了非高斯分布平稳随机噪声的统计特性，揭示了非高斯噪声信号的信号结构。 - To use the frequency spectrum characteristics in texture classification of remotely sensed imagery, a texture classification algorithm based on minimum distance in frequency space is put forward.
为了将频谱对纹理特性的表征能力应用于遥感图像分类提出了基于频域最小距离遥感图像纹理分类算法。 - And the embedded watermark is designed to be orthogonal to the feature vector of the low frequency space in the DWT area of the local image, which means that watermarking casting is image content dependent.
该算法中，局部水印的嵌入是通过将水印嵌入到局部图像小波变换域的低频空间的特征向量中，并且嵌入的局部水印与特征向量两者正交。 - An Improved Image Enhancement Method Using Nonlinear Extrapolation in Frequency Space
一种改进的频域非线性外推图像增强方法 - After the HF self-adaptive interference inverter has been adopted, the RX/ TX frequency space can be greatly reduced and the duplex communication has been realized as well as the frequency resource has been fully utilized. The communication quality has been greatly improved.
采用短波自适应干扰抵消器后能缩小收发频率间隔，实现双工通信，使频率资源得到充分利用，能提高通信质量，连接简单。 - An effective denoising method on the frequency space is presented according to the characteristics of remote sensing images.
针对遥感图像的特点，给出了一种有效的基于频域的去噪方法。 - The white noise, Brown and other signals which present the linear characteristics in the power spectra frequency space with bi logarithm coordinates are of the fractal structure, self similarity and scale independence.
白噪声、布郎运动以及其它满足在双对数坐标中呈一直线的信号具分形结构、自相似性或尺度无关性。 - The relations between two dimension time frequency power spectrum and two dimension space frequency power spectrum, time frequency and space frequency are presented.
建立了二维时间频率功率谱与二维空间频率功率谱之间的关系；建立了时间频率与空间频率之间的关系； - For the problem of image enhancement, an improved nonlinear extrapolation method in frequency space is proposed.
针对图像增强的问题，提出了一种改进的频域非线性外推方法。 - Parsimonious methods were composed by the three groups i. e data transformation, additive tree and reconstruction of phylogenetic of phylogeny in frequency space.
俭约性方法中主要分为三类：数据转换方法、距离叠加树方法和频率空间重建系统发育的方法。 - An improved image enhancement algorithm by contour threshold nonlinear extrapolation in frequency space was proposed.
对非线性外推图像增强算法进行分析，充分考虑图像高频分量的局部特征，提出一种新的非线性滤波剪切策略包络阈值剪切算法。 - Traditionally, doctors analyzed the signals by means of the conventional time space or frequency space approach on the presumption that signals are stationary.
传统上，医师往往在假设信号是平稳的或分段平稳的前提下，采用经典的时域或频域方法对信号进行分析。 - Energy, Shannon entropy and standard deviation were applied to characterize gas-solid two-phase flow in frequency space.
引进能量、Shannon熵和标准差STD作为特征量对气固两相流频域空间进行分析。 - A new signal denoising method based on virtual response information is proposed, which considers fully the response property of linear dynamic system in time domain and the property of frequency space partitioned by wavelet package analysis.
在充分考虑线性动力系统的时域响应特性以及小波包分析的频率空间剖分特性的基础上，提出了一种基于虚拟响应信息提取的信号去噪新方法。 - Scaling frequency space was used to design optimize conventional planar gradient coil and the insertable bi-planar gradient coil.
第二部分将介绍平面型梯度线圈的设计方法，利用频率空间缩减法来设计优化常规的平面梯度线圈和嵌入型梯度线圈。 - Concluding previous analysis and discussion, we propose the idea of modifying kernel for ill-posed problems whose solutions have a common form in the frequency space.
基于前面的分析和讨论，我们提出了研究解在频域空间具有某种共同形式的不适定问题的修改核思想。