查询词典 fir

After investigating into the design of classical FIR digital filter,a method of FIR filter design based on proximate best uniform approximation is proposed.

在对经典FIR数字滤波器的设计方法进行研究基础上，提出了一种基于近似最佳一致逼近原理的FIR滤波器设计方法。

Having investigated the design of classical FIR digital filter, the authors put forward a method of FIR filter design based on Chebyshev best uniform approximation which can be used to separate potential anomalies.

在对经典FIR数字滤波器的设计方法进行研究的基础上，提出了一种可以用于位场分离的基于Chebyshev最佳一致逼近原理的FIR滤波器的设计方法。

Advances an efficient method of 2D FIR filtering based on impulse response rounding. Discusses the impulse response characteristics of 2D FIR filter. Then describes designing process of efficient 2D FIR filter based on impulse response rounding. Discusses application of efficient 2D filter with circular symmetric with eightfold symmetric frequency response. At last discusses the selection of rounding parameters.

提出了一种高效、实用的二维FIR滤波器的设计方法，在讨论了二维FIR滤波器的冲激响应特性的基础上，开发了一种基于冲激响应舍入法的高效二维FIR滤波器的设计方法，并以具有八重对称的圆对称滤波器为例讨论了高效滤波器的实现过程，最后对滤波器设计中的舍入参数的确定进行了讨论。

The dissertation expatiate on the distribute algorithm. The key operation in FIR digital filter is multiplication operation, and it can convert multiplication to look up table and addition by adopting the distribute algorithm. It is very suitable to adopt distribute algorithm in FPGA, because there are look-up tables in FPGA.

基于FPGA本身具有查找表的结构，非常适合使用分布式算法，在FIR滤波器的结构设计上，将FIR滤波器中关键的乘法运算转化为查找表的过程和加法运算的过程。

According to the design principle of the Nyquist filter of FIR, this article design a FIR filter which uses root raised cosine function of 33 taps.

本文根据奈奎斯特FIR滤波器的设计原理，设计了33阶根升余弦函数FIR滤波器，并提出了用FPGA实现其硬件电路的方案，最后用Modelsim和matlab工具进行了仿真验证。

In application, to ensure the linear phase of image, FIR filter is usually chosen as it can realize the strict linear phase under the conditions. Designing FIR filer actually means solving a group of fine coefficients.

在应用中图像的处理要求不能有明显的相位失真，所以选用FIR滤波器，因为它在一定的对称条件下可实现严格的线性相位。

Signals of before and after NR decoding are entered to subtracter to obtain error signal, which is multiplied by imaginary part of the output of equalizer FIR so as to obtain output of discrimination phase.

本发明包括一个复均衡器的FIR、DFE、复乘器、加法器、NR解码器、减法器、实乘器、累加器、限幅器，它与均衡器结合，使解调后处理得到的复信号由I和Q路组成，经过复均衡FIR，输出仍为复信号，它与总相差φ复乘，进行相位解旋，之后取出实基带信号与DFE输出送入加法器得到均衡器输出，进入一个NR解码器后得到信号送入DFE作为输入，NR解码前后的信号进入减法器得到误差信号；它和均衡器FIR输出的虚部相乘得到鉴相输出，去噪声和限幅后进行相位解旋，去除相位偏差和相位抖动。

In south-west Oregon and north-West California this species growing together with Shasta red fir and California red fir.

在奥勒冈西南部与加利福尼亚北部本树种时常与Shasta red fir与California red fir混杂林状生产。

Fir -ball ... fir - cone fir cone fir cones ... fire fire fire fire burning body of blasting warnings ...

fir-ball 冷杉球果。。。fir-cone 冷杉球果。。。fire射火解雇炽热体放炮警告。。。

The NWPM uses the Mallows' theory of sample selection probability to design the weight coefficients according to the respective impulse response of FIR filter with the desired spectral response.

基于Mallows样本选择概率理论，由FIR滤波器的脉冲响应来获得伪中值滤波器加权系数，使其具有和FIR滤波器一样的频率选择特性。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。