查询词典 fir

All phase IDCT interpolation filter was a pure 2-D filter which could convert between quincunx sampling grid and square sampling grid directly,while all phase extended DCT interpolation filter could restrain the Gibbs effect of FIR filters.

其中全相位IDCT内插滤波器是纯二维滤波器，且能够直接实现五点梅花形采样矩阵与矩形采样矩阵之间的转换。而全相位延拓DCT内插滤波器能够有效地抑制FIR滤波器的吉布斯效应。

The steps by the Rayleigh quotient method to obtain the optimal desampling FIR filter are also presented.

推导了信噪比增益与降采样滤波器权系数的关系，给出了采用 Rayleigh 商方法求解给出准则下最优FIR滤波器的方法和步骤。

The relation of the SNR and the coefficients of the filter adopted is deduced. The steps by the Rayleigh quotient method to obtain the optimal desampling FIR filter are also presented.

推导了信噪比增益与降采样滤波器权系数的关系，给出了采用Rayleigh商方法求解给出准则下最优FIR滤波器的方法和步骤。

In the earlier work D. Husinga developed a Matlab computer program that traded adders for delays, optimized scaling and used Canonic Sign Digit techniques to reduce hardware requirements for fixedcoefficient FIR filters .

在先前的工作4 Husinga开发了基于Matlab的计算机程序交易加法器的延迟，优化调整和使用法服注册位数技术，以减少硬件要求fixedcoefficient FIR滤波器。

FIR filter, digital signal processing is an important element.

详细说明：该程序实现FIR滤波器，是数字信号处理的重要内容。

The forgetting factor was optimized by reducing the trace of the input error covariance matrix. This factor is able to modify the iterative learning law of control input. The error signal of the feed-forward learning controller was filtered by a zero-phase FIR digital filter.

通过减小系统输入误差协方差矩阵迹的方式得到优化的遗忘因子，来修正控制输入的迭代学习律，同时采用零相位FIR数字滤波器对前馈学习控制器中的误差信号进行滤波处理。

The design of a FIR linear phase filter based onBP neural network algorithm is introduced, get the unit impulse response of the filter by training the wieght of the BP neural network.

摘 要：本文将BP神经网络算法应用于FIR线性相位数字滤波器的设计中，通过训练神经网络的权值，得到滤波器的单位冲激响应。

The structural of mechanism adopted double pipes feed-in with mixing machine, special weighbridge for reducing bond; The hardware circuit make use of the programmable amplifier AD8555 which amplify the weak sensor signal and bridge imbalance compensation and gain error, at the same time,32-bit microprocessor LPC2134 was used as the core of the hardware to deal with the messages and send order to the implement machine. Software design transmits materiel by stages and FIR filter was adopted to remove big errors and enhance precision.

机械结构使用双管螺旋喂料机加搅拌机构，特殊的称斗结构；硬件电路采用数字可编程放大器AD8555作为称重传感器微弱电信号的放大器，以便于补偿桥式传感器的失调和增益误差，同时采用32位单片微处理器LPC2134作为整个电路的处理核心，及时处理称重信息，并向执行机构发送命令；软件根据称重值采取分阶段喂料，并加入了FIR软件滤波，滤除了粗大误差信号，提高了称重精度。

Through FIR and SEM analyses, it was found that the silane coupling agent could react with the surface of wood flour, and the adhesive strength between HDPE and wood flour as well as the mechanical properties of the composite was improved.

通过FIR和SEM分析发现，硅烷偶联剂可与木粉表面发生化学反应，从而提高了HDPE与木粉的界面粘合强度，使复合材料的力学性能得以提高。

According to the relationship of wavelet transforms and perfect reconstructional FIR filter banks, this paper presents an algorithm for de-noising with Donoho non-linear soft-threshold in defferent levels of multiscale space through rearranging the input data before convolving and filtering and sub-sampling.

本文从子波变换与完全重构FIR滤波器组的特定关系出发，将输入数据按一定规律重新排列之后实时地将数据分解到不同的尺度空间，然后经过正交子波基的Donoho非线性软门限消噪处理。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。