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主要根据一个简单的电网潮流计算实例，来说明潮流计算的具体步骤，以及计算过程中出现的一些问题(Mainly based on a simple power flow calculation examples to illustrate the specific steps flow calculation, and calculation of some of the problems arising in the course)

substitution cipher is the method of encoding in which unit of plain text are replaced by cipher text. Monoalphabetic cipher uses a fixed message over entire message.A monoalphabetic cipher uses fixed substitution over the entire message.The monoalphabetic substitution takes a letter of an alphabet and substitutes it with another letter, this way a ciphertext is generated. The way of converting is fixed. A character of the plaintext will be replaced by the same ciphertext character, during the entire ciphertext. There is no additional key. The only way of security is to keep the substitution-table secret. A popular example for the monoalphabetic substitution is the caesar cipher.

多用户多速率OFDM中的子载波分配和功率控制参考文献(Subcarrier allocation and power control in multi-user multi-rate OFDM)

gray scale coding method

different matlab code for convolution, discrete fourier transform, finite impulse response, inverse DFT, descimator

genetic algorithm program for power system

这个是永磁同步电机矢量控制系统仿真，仿真结果正确，可以在空载、加载下很好的跟踪转速给定值。(This is a permanent magnet synchronous motor vector control system simulation, simulation results are correct, you can no load, a very good track speed setpoint under load.)

根据雷达信号到达时间用PRI方法进行雷达信号分选的一段matlab代码(Radar signal processing)

This project is used to eleminate the noise in the E.C.G wave form using wavelet transform. thecode is written by using matlab scripting.

CORRNER DETECTION IN IMAGE