image frequency
英 [ˈɪmɪdʒ ˈfriːkwənsi]
美 [ˈɪmɪdʒ ˈfriːkwənsi]
镜像频率
双语例句
- In the second phase, techniques to improve the image quality are analyzed, and they are image transformation, frequency enhancement, color image, image recovery, and so on.
第二阶段主要涉及改善图像质量的一些图像处理技术，包括基本的图像变换、频域增强、彩色处理和图像恢复技术等。 - Image intermediate frequency transformator
图象信号中频变压器 - Analysis of PSF and image sampling frequency and quantization precision on edge location
点扩展函数与采样频率及量化精度对图像边缘的影响分析 - 3d white light digit image analysis in frequency domination area and its application
三维白光数字图象频域分析法及其应用 - The Image Enhancement of Frequency Domain Based on Matlab
基于MATLAB的图像频域增强处理 - Study of Digital Image Watermarking in Frequency Domain and Image Quality Evaluation
变换域的数字图像水印技术及图像质量评价研究 - Its performance is investigated through simulation using Matlab and the result indicates that the attenuation of image frequency is-39 dB. Compared with other kinds of interpolators, its performance is better.
用Matlab对滤波器的性能进行了仿真，结果表明其对镜像信号的抑制达到-39dB，与其他类型的插值滤波器相比较，其对镜像信号的抑制性能更好。 - The Automatic Fringe Distinct Technique in White Light Digit Speckle Image Frequency Recognition-Digit Phase Shift Method
白光数字散斑图像频域自动识别技术&用于逐点分析的数字相移法 - The author first gives a thorough analysis of most kinds of receivers, and puts forward a suitable low-IF image frequency rejection architecture for Bluetooth application.
抑制镜像结构等进行了分析和比较，选择一种适合于Bluetooth应用的低中频镜像抑制接收机结构。 - Then we perform digital pre-compensation method, which can be used in the processing of base band signal to reject image frequency and protect carrier leak to meet the application purpose.
然后采用对基带信号的数字预补偿方法来抑制镜像频率和载波泄漏，从而达到应用的目的。 - Optical Pseudocolor Encoding of Image Spatial Frequency Information with White Light
白光按图象空间频率假色编码 - The blur radius can be estimated using zeros position in blur image in frequency domain. Restoration of defocus blur image by simplified Wiener deconvolution method is presented in this paper.
利用模糊图像的频率域中的零点位置来估计模糊半径，采用简化Wiener滤波对模糊图像进行复原。 - The article will put forward a kind of new denoising method of digital image in frequency domain: start with a series of Fourier Transforms on hand and wrist X-ray image;
文章提出了一种新的图像频域祛噪方法：首先对采集到的手腕部骨图像进行傅立叶变换； - In this paper, an analog-digital signal processing for multi-channel reception with low-IF receiver is proposed. In conventional low-IF receivers, the signal in the image frequency causes interference to the desired signal.
提出一种多信道条件下带有Low-IF接收机的新型模数信号接收处理方法，一般Low-IF接收机中，镜频信号会对期望信号造成干扰。 - Image frequency domain information hiding scheme based on elliptic curve
基于椭圆曲线的图像频域信息隐藏方案 - An Adaptive Method of ISAR Image Time Frequency Analysis
一种自适应的ISAR图像时-频分析方法 - According to the corresponding relationship between vibration blurred image and static image in frequency domain that is a set of negative ripples appears in spectrums of blurred image corresponding to zero values of the zero order Bessel function a direction and amplitude measurement method is introduced.
根据振动模糊图像和静止图像在频谱上存在的对应关系，即振动模糊图像频谱存在着对应于零阶贝塞尔函数零点的暗纹（贝塞尔条纹）； - In the image preprocess to optimize itself, the image complication is obtained by Fourier analysis of the video image frequency spectrum, then, the dynamic macro block combination modes and the adaptive search templates choice are given.
在图像预优化处理中，通过对视频图像的傅里叶分析，可得到图像的复杂度，提出动态宏块划分模式和自适应搜索模板选择。 - It also solves the problem of image refreshing frequency in the detection of moving object.
能够自动检测跟踪运动目标，并解决了运动目标检测中图像刷新率问题，极大提高了监控系统的智能化和自动化程度。 - The defocus blurred image can be depicted by uniformly distributed function on circular support region, and the blur parameter of the function can be estimated using zeros position in blurred image in frequency domain.
离焦模糊图像的退化模型可用圆盘函数描述，利用模糊图像频域的零点位置来估计圆盘函数的模糊参数； - Especially, with the wide use of the low noise microwave receiver model of "low noise amplifier-mixer-intermediate frequency amplifier", the rejection to image frequency interference has become the last problem how to make the whole receiver's noise low and resist interference.
尤其是随着低噪声放大器混频器中频放大器这种低噪声微波接收机模型的广泛使用，对镜频干扰的抑制已逐渐成为整机低噪声、抗干扰的最后难题。 - Study on Microwave Image Frequency Rejection Mixer Inhibition
微波镜频抑制混频器的研究 - The multi-sensor mages formation mechanisms and the image spatial frequency distributed situation are considered in this fusion algorithm principle. According to the fusion goal, the multi-sensor mages detail information is expressed in fusion rules. This fusion algorithm displays stronger the pointed and the usability.
在融合原理上考虑了多源图像的成像机理，兼顾了图像的空频分布情况，在融合操作时根据融合目的引入多源图像的细节信息，从而表现出更强的针对性和实用性。 - To reduce noise figure and improve receiver sensitivity, the heterodyne receiver model have become more widely available in the communication system. The rejection to image frequency interference has become the last problem for a low-noise receiver.
为了降低系统噪声系数，提高系统接收灵敏度，超外差式的接收机模型在越来越多的通信系统中被广泛的使用，实现整机低噪声、抗干扰的最后难题就是对镜频干扰的抑制。 - An improvement is given in this paper on the definition of the DSB noise figure of mixers, in which the Double Side Band ( DSB) noise figure among signal frequency is distinguished from the one among image frequency.
本文对混频器的噪声系数定义提出了一点改进方案，明确区分了信号频率处和镜像频率处的双边带噪声系数。 - Then discuss the Fourier method, to convert the image date to frequency domain to extract the texture feature.
接着探讨了将图像转换到频域并利用傅里叶变化提取图像纹理特征的方法，并进行了实验分析。 - In this paper, after presenting a model of describing image and in-depth analysis of the influence of image-dependent spatial gamut mapping, we present two kinds of spatial character of image, frequency characteristic and distribution character.
本论文针对这一缺陷，提出一种图像的空间描述模型，利用此模型全面分析影响色域匹配算法的图像空间特性，并把图像的空间特性分类为：图像的频率特性和图像颜色的分布特性。 - While QR barcode coding information is embedded by changing the relationship between the mean of host image frequency coefficients and designated coefficient.
而QR码编码信息则是通过改变载体中频系数均值与指定系数的大小关系来实现。 - Wavelet Transform decomposes the image into low frequency and high frequency parts.
小波变换将图像分解成低频和高频部分。 - Wavelet denoising is because the wavelet has the characteristic of multi-resolution analysis, the image signal is decomposed in different scales, and also can be mixed signal is decomposed into different frequency bands of different seed signal, the image signal frequency division processing function.
小波具有多分辨分析特点，能够将图像信号分解在不同的尺度上，并且还可以将不同频率的混合信号分解成不同频段的几种子信号，实现对图像信号进行分频段处理的功能。