数字滤波器的设计是数字信号处理(dsp)领域的一个重要部分。
Digital Filter's design is an important field of Digital Signal Processing (DSP).
由于寄存器的字长是有限的，因此要在数字滤波器的设计过程中考虑各种有限字长效应问题。
Because word-length of register is finite. It is necessary to consider the question about the finite word-length effect during the devising digit filter.
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.
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