RFID

GPS信号捕获的源程序设计，提供的信号捕获的原始算法实现(GPS signal acquisition of the source design, providing a signal acquisition of the original algorithm)

散射点成像 isar 成像效果良好 注释完整 本人毕业设计做的 希望大师指点(ISAR scatter point imaging,the imaging effection is great, has complete notes , Welcome to point out the wrong part.)

利用四阶龙格库塔法求解微分方程,可以较快的得到结果(Solving differential equations by using four order Runge Kutta method)

可以求出B样条曲线的导数及切线，有一定的参考价值。(It can work out the derivative and the tangentof B spline curve , have certain reference value.)

针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK)，对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析，提出了一种联合特征参数的信号调制识别方法．(Aiming at seven communication signal modulation modes commonly used in digital satellite (QPSK, 8PSK, 16QAM, 32QAM, 64QAM, 16APSK and 32APSK), four characteristic parameters of zero-center normalized instantaneous amplitude spectral density, quadratic spectrum, amplitude and high-order cumulant are analyzed, and a signal modulation recognition method of joint characteristic parameters is proposed. Method.)

该程序是全变分方法，适合有一定基础的同学学习和修改，能解决图像处理问题(The program is full of variational methods, have a certain foundation for students to learn and modify, can solve the problem of image processing)

ofdm系统基于LS和LMS信道估计的SER性能仿真对比。(ofdm system based on LS and LMS Channel Estimation SER Performance Comparison.)

说明：  对比了基础dv-hop算法，和改进的2d-hyperbolic 方法，引进了权重因子，在很大程度上改进了定位精确度。(Compared with the basic DV hop algorithm and the improved 2D hyperbolic algorithm, the weight factor is introduced to improve the positioning accuracy to a large extent.)

注入3次谐波的SPWM载波移相仿真，可以观察相电压，线电压，电流等。(3 SPWM harmonics injected carrier phase simulation, we can observe the phase voltage, line voltage, and current.)

说明：  数字滤波器的代码，可用于运行仿真IIR与FIR类滤波器。(The code of the digital filter can be used to run simulation IIR and FIR type filters.)