最常见的数字信号处理技术之一是离散傅立叶变换（DFT），它把一个信号分解成它的组成频率，并表示成一个矩阵。
One of the most common digital-signal-processing techniques is the discrete Fourier transform (DFT), which breaks a signal into its component frequencies and can be represented as a matrix.
合成孔径雷达(SAR)图像相干斑噪声滤波技术分成三类：多视处理、统计滤波和变换域滤波。
Synthetic Aperture Radar (SAR) speckle filtering techniques can be classified into three categories: multi-look processing, statistical filtering and filtering in transform domain.
提出了提高精度，同时减少占用内存的数据处理方法和充分利用软件功能在微机上实现近远场变换的技术。
The efficient data processing methods to achieve a high degree of accuracy in transformations and at the same time to reduce the memory capacity are developed.
本文应用富立叶变换与相关技术原理对数据进行了三种方式的处理。
Three types of data processing are performed using Fourier transformation and correlation technique.
采用数字图像处理技术，应用小波变换方法，实现了轮胎图像中空心型号文字的提取，可作为轮胎分检自动化的一个重要控制信息。
Using technology of digit image processing and method of wavelet transform, in order to detect the edge of number of tire type, it is important information for tire detecting automation.
图像压缩是数字图像处理中最重要的关键技术之一，传统的图像压缩方法有预测编码、变换编码和矢量量化等。
Image compression is one of the most important key techniques in image processing. Traditional compression methods include prediction coding, transform coding and vector quantization (VQ).
针对视觉系统处理速度慢的问题，利用光电信息技术设计出基于光学小波变换的机器人视觉传感器。
A robot vision system based on optical wavelet transform is designed by means of photoelectric information techniques in accordance with slow processing speed of vision system.
该文研究了基于线性统计学模型的真实感人像变换和处理技术。
This paper addresses the statistical model-based techniques of facial image transformation and processing.
采用图像去噪、灰度变换、直方图均衡化以及非均匀背景修正技术等提高了原始图像成分的清晰度，使图像变得更便于计算机分析和处理。
The use of image denoising, gray-scale transformation, histogram equalization, and uneven background correction techniques make the image more easily processed and analyzed.
提出了一种基于机器视觉与离散傅里叶变换的目标特征识别方法。利用计算机图像技术采集和处理图像信号；
A identifying image methods based on machine vision and DFT are studied, The images are collected and video signal is processed using computer technology.
航摄旋偏角对测图定向精度的影响随着处理技术手段的变换而改变，也随着比例尺由小变大而改变。
The effect of aerial photographic swing angle to the orientation precision of digital photogrammetry changes with the processing technical methods and the size of map scale.
本文提出了用光学处理器完成干涉图的傅里叶变换，从而实现全光学的傅里叶分光光度计的新技术。
In this paper we present a new technique for accomplishing the Fourier transformation of interferograms via total optical means.
在测量与仪表技术领域，V/F转换器作为一种信号变换和处理技术，应用日益广泛。
V/F converters are increasingly applied in measurement and instrumentation field as a method of signal conversion and processing.
应用小波变换对腹部MRI进行图像压缩与平滑化处理，应用边缘检测技术进行边缘数据与肝脏特征值的提取，并结合医师确定的肝脏区域进行图像分割效果的评价。
Wavelet transforms are used to compress image and smooth edge of liver region from abdomen MRI. The results of image segmentation are evaluated based on the liver region determined by doctor.
本发明涉及一种基于小波变换的数字水印技术，是一种多媒体视频数据保护方法，属于多媒体信号处理领域。
The digital wat remark technique based on a wavelet transform is a method for protecting multi media video data, belonging to the multi media signal processing area.
本文首先研究了坐标变换、坐标归一化和数据滤波的数据预处理技术。
Firstly the data pre-processing technologies are researched, which include coordinate transform, coordinate fusion, data filtering.
论文通过实验证明将小波变换技术应用于辐射测温技术的信号处理是可行的，并且取得了很好的滤波效果。
Experiment indicates that it is feasible to apply wavelet transform to the signal processing in radiation temperature measuring and filtering is satisfactory.
对设计中无失真再现不同频率信号用到的多采样率变换数字信号处理技术进行了研究。
The multirate transform theory is studied here because it is utilized to reconstruct the waveform of different frequencies signals without distortion.
本论文主要研究了基于变换域上的两个图像处理技术，即数字水印技术和图像压缩技术。
In the dissertation, we study two technologies of image processing based on frequency domain. The one is on digital watermarking, the other is on image compressing.
数字信号处理器(dsp)是鉴于数字滤波和快速傅立叶变换的数字信号处理技术。
Digital signal processor (DSP) is used to meet the need of digital signal processing technique, such as digital filer and FFT.
采用电压频率变换和频率电压变换技术处理模拟信号，有效的克服了光电耦合器的非线性，实现了模拟信号的线性光电隔离。
Analog signal linear photo-isolation is carried out by using voltage-frequency conversion and frequency-voltage conversion technique so as to effectively overcome nonlinearity of the photocoupler.
本文结合霍夫变换和相位相关技术来处理图像配准问题。
In this paper, Hough transform and phase correlation was combined to solve the problem of image registration.
研究小波分析在机械工程信号处理中的应用，提出通过二进小波变换检测信号奇异点的实用技术。
The application of wavelet theory in signal processing in mechanical engineering field is also discussed and a practical technique for signal singularity detection is proposed.
仿真结果表明，重叠双正交变换域干扰抑制技术可改善系统性能，是一种稳健的处理技术。
The simulation results show that the lapped biorthogonal transform domain excision technique is capable of improving system performance and enhancing the robustness of the receiver.
结合加密技术与图像处理算法，提出了一种类似于公开密钥体制的基于分块dct变换的数字图像自适应水印算法。
In this paper, a block based adaptive watermarking technique in DCT domain that is similar to the public key system is proposed in light of the cryptography technique and image processing technique.
着重阐述了数据的非线性补偿技术、标度变换技术、信号预处理的各种算法、FFT谱分析技术。
The technologies including nonlinear compensation, scales conversion, algorithms of signal preprocessing, FFT spectrum analyzing is emphasized.
提出了基于变时基短时傅里叶变换来分析和处理时变信号的技术。
Measuring and analyzing technology based on variable-time-interval Fourier transform was dealt with for vehicle accelerating noise signal.
图像分割技术在数字图像处理领域占有非常重要的地位，分水岭变换是一种常用有效的图像分割方法。
Image segmentation plays a very important role in digital image processing. The watershed transform is one of the commonly-used image segmentation methods.
图像分割技术在数字图像处理领域占有非常重要的地位，分水岭变换是一种常用有效的图像分割方法。
Image segmentation plays a very important role in digital image processing. The watershed transform is one of the commonly-used image segmentation methods.
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