The basic theory and advantages of filtered multitone modulation (FMT) are studied. An efficient implementation of FMT based on linear-phase FIR filter is proposed and its complexity is discussed.
在分析滤波多音调制(FMT)的基本原理和优点的基础上，给出了一种基于线性相位FIR滤波器的FMT实现方案，并对该方案的实现复杂度做了讨论。
In detail, it specifies the design of FIR filter, computing harmonics theory and the implementation of division and evolution.
着重讲述了FIR滤波器设计、谐波分析以及除法与开方运算的实现。
Three implementation methods of fir filter, which are fit for FPGA, are studied first. They are direct structure, transpose structure and distribute arithmetic.
该部分首先研究了三种适合于FPGA的FIR滤波器实现方法，直接结构、转置结构及分布式算法。
The implementation of the Sampling method is accomplished by the polyphase structure of the filter. This implementation is particularly suitable for linear phase FIR filter.
该采样方法使用滤波器的多相结构实现，这种实现方法特别适合于线性相移fir滤波器。
The implementation of the Sampling method is accomplished by the polyphase structure of the filter. This implementation is particularly suitable for linear phase FIR filter.
该采样方法使用滤波器的多相结构实现，这种实现方法特别适合于线性相移fir滤波器。
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