第二部分系统地研究了基于FPGA的数字滤波器实现技术。
In the second part, the implementation of digital filters in FPGA is studied systematacially.
本文提出采用AD和DSP软件编程的方法实现信号的混频功能，作为AD和数字滤波器实现频率变换的一个典型应用。
In the paper, we advanced the method of mixing function by means of AD and DSP software programming, which is a typical application of frequency transformation with AD and digital filter.
根据数字滤波器实现模式和虚拟仪器的特点首次提出了虚拟滤波器的概念，即一种现场设置、设计、生成和作用的数字滤波器。
According to the physical models of the digital filter and the feature of a virtual instrument, the new concept of the virtual filter is brought forward firstly in this paper.
根据16qam的调制原理，提出一种采用现场可编程门阵列(FPGA)实现16 QAM成形的FIR数字滤波器硬件电路的方案。
With the principle of 16qam, the text puts forward one scheme which adopts FPGA to realize the hardware circuit of 16qam taking shape FIR digital wave filter.
主要讨论数字滤波器在采用差分方程实现中的IIR和FIR设计中所涉及的理论支持。
In this thesis, we will discuss the theory of the realization of difference equations in designing IIR and FIR of digital filters.
因此，采用AD器件和数字滤波器技术实现混频等频率变换功能，是一种比较先进和新颖并且实际可行的方法。
Therefore, taking advantage of AD device and digital filtering technique to realize mixing and other frequency transformation function is a comparatively advanced, novel and practical method.
本文对数字滤波器软件实现的一般原理和基本方法进行了综述。
The fundamental principles and basic methods for the implementation of digital filters in software are summarized in this paper.
介绍了平方根升余弦滚降数字滤波器的设计和优化方法，并提出了用FPGA实现其硬件电路的方案。
This paper introduces design, optimization and implementation with FPGA of square-root raised cosine roll-off digital filter.
详细介绍了用DSP实现2fsk调制解调的算法，并就解调中所应用的数字滤波器做了具体分析。
This paper introduces the realizations of 2fsk modulation and demodulation algorithm with the DSP and discusses the digital filter that is used in the demodulation algorithm in detail.
根据FIR数字滤波器理论，分析比较实现fir滤波器的方法。
According to digital FIR filtering theory, analyze and compare the methods of designing FIR filter.
设计了改进的FIR数字滤波器，实现了对原始输出信号的实时滤波处理，有效地抑制了噪声的干扰，为科氏质量流量计的高精度测量提供了保证。
The improved FIR filter is designed and used for filtering original signals, so the noise is restrained effectively and the measurement precision of the mass flowmeter is guaranteed.
在DSP芯片上实现数字滤波器算法的传统做法是用汇编语言编写软件来实现。
On DSP chip, the traditional method that realizes the digital filter algorithm is to compile software with assembly language.
本文尝试将一种新的优化算法一人工鱼群算法(AFSA)用于IIR数字滤波器设计，建立了相应的优化模型，给出了简化的人工鱼群算法及其实现步骤。
Artificial fish swarm algorithm (AFSA) is a novel optimization algorithm proposed lately. A new method based on this optimization is proposed to design the IIR digital filters.
然后讨论了高效数字滤波器(累积梳状滤波器)的设计，并给出了相应的实现结构。
Then the design of a highly effective digital filter (cascaded integrator-comb) is discussed and the corresponding implementation structures are given.
本文阐明了递归数字滤波器的通用设计和实现的方法。
Design and implement of general recursive digital filters is presented in this paper.
文中设计了补偿此衰减的数字滤波器，并提出一种节省资源的高效实现方法。
A kind of inverse sampling filter is designed in order to compensate this attenuation and some methods is proposed to save the design resource.
因为工控系统是一种实时系统，要求通过软件方法实现的数字滤波器在运行时能够尽可能的快，以减少对其它工作的影响。
Because the system of industrial control is a real-time system, digital filter fulfilled by software must be as fast as possible when they are running for decreasing effects to other works.
文章在研究FIR数字滤波器设计算法的基础上，采用滤波函数与分段卷积结合的方法实现对较长测井信号的处理。
The passage deals with the logging signal by the method of combining filter function with partition convolution which is based on the search of designing FIR digital.
将人工鱼群算法(AFSA)用于IIR数字滤波器设计，建立了相应的优化模型，给出了简化的人工鱼群算法及其实现步骤。
Artificial fish swarm algorithm (AFSA) is a novel optimization algorithm. A new method based on this optimization is proposed to design the IIR digital filters.
利用数字滤波器的不同模拟化设计方法，进行了计算机上的设计实现，检验并比较了不同形式的数字滤波器的设计方法的特性。
Digital wave filters were designed with the computer by use of different simulation design methods, and the design features of different digital filters were checked and compared.
系统以普通个人计算机为基础实现了FIR数字滤波器，能够有效地滤除由呼吸等因素造成的干扰。
FIR digital filters realized on person al computer were used for signal filtering and cancellation of respiratory interference.
该文讨论了用横向滤波器实现MTD雷达中多普勒数字滤波器组的硬件结构和实现方法。
This paper discusses the hardware structure and implementation of DopplerfiIter bank in MTD radar using transversal filter.
分析了FIR数字滤波器的基本原理，在MATLAB环境下利用窗函数设计FIR低通滤波器，实现了FIR低通滤波器的设计仿真。
Has analyzed the FIR digit filter's basic principle, designs the FIR low pass filter under the MATLAB environment using the window box number, has realized the low pass FIR filter's design simulation.
本文就对有限冲激响应数字滤波器的设计及实现来进行分析和研究。
The paper aims at respective study in the design and realization of the Finite Impulse Response digital filter.
本文介绍用微处理器实现双向滤波器的原理和过程，最后结果显示了双向数字滤波器的优点。
In the paper the principle and process of realizing the bidirectional filter by microprocessor was discussed. The results showed that ringing of the filter after the QRS complex could be eliminated.
详细研究了基于FPGA、采用分布式算法实现FIR数字滤波器的原理和方法，并通过XilinxISE在Models im下进行了仿真。
Based on a detailed study of the FPGA, using distributed algorithm FIR digital filter method and the principle, and through the Xilinx ISE under the Modelsim simulation.
详细研究了基于FPGA、采用分布式算法实现FIR数字滤波器的原理和方法，并通过XilinxISE在Models im下进行了仿真。
Based on a detailed study of the FPGA, using distributed algorithm FIR digital filter method and the principle, and through the Xilinx ISE under the Modelsim simulation.
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