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介绍了一种具有预均衡功能的数字频谱成形滤波器的设计原理和方法，并给出了实验结果。已用可编程芯片在８ＰＳＫ数字微波系统中成功实现了数字成形。
The design principle and method of a digital spectrum shaping filter with pre-equalization function are introduced and the experimental results are given. Programmable chips have been successfully digitally formed in 8PSK digital microwave systems.