设计一个数字FIR低通滤波器，其技术指标如下：Wp=0.2 Rp=0.25 Ws=0.3 As=50-Design a digital FIR low-pass filter, the technical indicators are as follows: Wp = 0.2 Rp = 0.25 Ws = 0.3 As = 50

适用于ns2仿真的移动trace生成工具（C环境）-These mobility generator tools are used to generate a rich set of mobility scenarios used to evaluate the protocol performance in Mobile Ad Hoc Network. The tools include the Reference Point Group Mobility(RPGM) model, Fr