同时也分析了空域滤波、空频域滤波、光学成像系统。
The filtering in spatial domain, spatial frequency domain and a system of optical formatting imagines are also analyzed.
根据颤振试验的原理和观测信号特点，提出一种时频域滤波方法。
According to the principles and signal properties of flutter test, a new filtering algorithm in time-frequency domain is presented.
最后采用频域滤波技术，识别出指定频率段对车内噪声偏好性的影响。
Finally, frequency filtering technique is adopted and combined with the regression equation to reveal the effect of the designated frequency range on in-car noise preference.
给出了频域滤波的基本原理，重点研究了自适应高斯频域滤波器这一频域滤波算法。
We give the basic theory of frequency filtering. In the frequency domain, the work focuses on the adaptive Gaussian frequency filter.
针对实际采集的雷达回波信号，分析了自适应高斯频域滤波器的地物杂波抑制性能。
Using the actual collected radar echo signals, we analyze the ground clutter suppression performance of the adaptive Gaussian frequency filter.
介绍一种基于离散傅里叶变换(DFT)的全方向M型超声心动图运动曲线频域滤波技术。
The paper presents a method of motion curve frequency domain filtering in Omni-directional M-mode echocardiography images based on Discrete Fourier Transform (DFT).
针对电子所机载SAR系统的回波数据，采用频域滤波方法有效地进行动目标检测和成像。
The dissertation uses spectral-filter method to detect moving target in the real echoes received from an airborne SAR system.
第二部分同样用微扰理论来研究滤波器的作用，导出了频域滤波孤子传输系统的脉冲演化方程；
Secondly, we have studied the effect of filters by the use of perturbation theory and derived the evolution equation of the soliton pulse in the presence of sliding frequency.
设计频域滤波器抑制正常纹理频谱信息，通过重构对灰度图像进行分割，实现疵点与正常织物纹理的分离。
The frequency-domain filter is designed to remove normal texture information, based on the image reconstruction, fabric normal texture and defects are isolated by image segmentation.
本文提出了一种方位向频域滤波和距离向频域滤波的处理流程，即根据频域特征选择在精配准前后做频域滤波。
The paper discusses a new spectral filtering procedure that performs filtering before and after fine coregistration according to spectral characteristics.
主要工作如下：(1)针对辐射计通道增益不一致性引入的系统误差，研究了通道均衡失配模型，分别采用了矩匹配法和频域滤波法进行仿真。
The main content of the thesis is as follows: (1) the channel equalization mismatch model has been studied specific to the systematic errors caused by the differences of radiometer channel gain.
对实际SAW滤波器模拟计算表明，本算法精确简便，在频域与传播范围上皆具宽带特性。
The simulation proves that this method is very precise and can be used in design and compensation of high performance wideband SAW filters.
在匹配滤波理论的指导下，成功研制了基于FPGAEP1K100 QC 208 - 1和4片高性能ADSP21160M的多波形频域数字脉冲压缩系统。
Under the guide of the matched filtering theory, the pulse compression system, based on FPGA EP1K100QC208-1 and 4 pieces of high performance ADSP21160M, was developed successfully.
根据闭环系统补灵敏度函数的最大值，从频域角度设计了滤波时间常数，以保证系统具有一定的鲁棒性。
According to the maximum magnitude of the complementary sensitivity function, the filter time constant is calculated to assure the robustness of system.
本文利用心脏磁场单磁偶极子模型研究了心脏磁场强度检测信号的频域空间滤波法。
Based on single magnetic dipole model, the spatial filtering method of cardiac magnetic signal in the frequency domain was investigated.
提出了采用边缘光滤波器来测量光纤传感中布里渊频域的方案。
The scheme of measuring Brillouin frequency shift in fiber sensor based on edge optical filter is proposed.
文中介绍了频域数字滤波的原理，提出了在7T17S信号处理机上实现频域数字滤波的方法。
This article introduces the principle of digital filter in frequency domain and presents method to realize it on 7T17S Signal Processor.
采用频域的零点配置方法，通过在系统极点附近配置多个滤波器零点设计强鲁棒性的多峰极不灵敏（E I）最优随机时滞滤波器。
Zero placement method in the frequency domain is utilized to design robust multi-hump EI optimal arbitrary time-delay filter (OATF) by placing two or more filter zeros nearby the system poles.
滤波器用于对信号进行频域上的变换处理，可用于改善磁力轴承控制系统性能。
Filter is used to process signal in frequency domain and able to improve the performance of AMB control system.
最后对实测推力数据进行分析处理，即数据平滑、FFT频域分析和补偿滤波。
Finaly tested thrust data processing, data smooth, FFT frequency analysis and compensated filter were accomplished.
根据标准有源带通滤波器原理，采用频域分析法，可得出有源带通滤波器的特征频率计算公式。
By applying frequency analysis method to a standard active band-pass filter circuit, a formula to calculate characteristic frequencies is offered.
利用自开发软件，对图像进行灰度变换和直方图均衡化处理后，采用频域同态滤波的方法对图像进行降噪滤波处理。
After the gray transformation and the histogram equalization, these images were filtered by a frequency-domain homomorphic filter, hence noises in the images were greatly reduced.
使用频率选择滤波方法在频域设计反馈控制器，对每个干扰频率，仅需调节两个实系数。
Frequency Selective Filter (FS f) is utilized to design feedback controller in frequency do-main. For each disturbance frequency, there are only two real coefficients to be tuned.
基于恢复理想信号频谱的逆滤波原理，利用通道均衡法对接收通道的失配进行了校正。 通道均衡可在时域或频域实现。
The way, based on the principle of inverse filtering for recovering the ideal signals, can be realized both in time domain and in frequency domain.
论述了数字匹配滤波系统及其实现，讨论了采用数字方法在频域实现匹配滤波的信号处理系统中，匹配滤波器实现中的两个实际问题。
Digital matched filter system and its realization are discussed. Two problems about digital matched filter realization and digital spectrum of signal are analyzed.
其次，分析了频域匹配滤波算法以及实现结构。
Secondly, the algorithm and the structure of matching filter on frequency domain are analyzed.
通过最小化频域平方误差函数并揭示与设计问题有关的一些矩阵的性质，得到了滤波器系数的闭式解。
A closed-form solution for filter coefficients is obtained by minimizing the frequency-domain squared-error function and revealing some properties of the matrices related to the design problem.
在频域中当信号频谱处于两个或更多个滤波器通道时，通过频谱组合办法直接得到实信号的正半谱或负半谱。
When the signal spectrum falls into two or more channels, a method of spectrum assembling in frequency domain is used to obtain the positive or negative half spectrum.
当两种滤波器的尺度空间常数很大时，它们的时域与频域性能基本相近。
When the scale space constants of the two filters are large enough, the characteristics and performances are almost the same.
采用频域正则化求逆和小波域维纳滤波去噪的方法对已知线性降晰模型的含噪图像进行图像复原。
Image is restored which is blurred by the known linear model and noise, with the method of frequency-domain regularized inversion and wavelet-domain wiener filter denoising.
应用推荐