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功能：该程序用于仿真时间同步算法双向不等时间同步方法与无时漂往返校时方法（RTT）。输入：节点间距离、钟漂。输出：两幅同步误差比对图。(Features: The program for the simulation of two-way time synchronization algorithm for time synchronization methods ranging from no time when the drift from school method (RTT). Input: the distance between nodes, clock drift. Output: two synchronization errors of the map.)

Find roots of a polynomial with very high degree and multiplicity by this compact routine.

modulation in OFDM system

说明：  自编的快速小波变换mallat算法，使用‘db1’小波函数，在卷积时使用wkeep命令进行了数据截取。重构信号和原信号比较误差较小。(self fast wavelet transform Mallat algorithm, the use of 'db1' wavelet function, Convolution in the use of wkeep order the interception of data. Reconstruction of the original signal and signal more smaller error.)

希尔伯特黄变换的matlab程序，用于对信号进行希尔伯特黄变换。(Hilbert-Huang transform matlab procedures used to signal Hilbert Huang Transform.)

this program finds the number of zero crossings in a given signal.

Discontinuity In a Parallel-Plate Waveguide. Dielectric rod inserted in a parallel -plate waveguide. Finite Element Method Solution (FEM)

matlab based parameter indicator ckt

异步电机矢量控制仿真，包含各种基础矢量控制仿真，包含速度环，电流环，励磁环等。(Asynchronous motor vector control simulation, including a variety of basic vector control simulation, including speed loop, current loop, excitation ring, etc.)

non-parametric identification