fcmamatlab

Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Some examples: [ 2 , 1 , + , 3 , * ] -> ((2 + 1) * 3) -> 9 [ 4 , 13 , 5 , / , + ] -> (4 + (13 / 5)) -> 6 分析：这一题就是写程序计算逆波兰式的结果，遍历表达式，碰到操作数入栈，碰到操作符就从栈顶取出两个操作数，再将计算后的结果入栈，最后栈中剩余的唯一操作数就是计算结果。(. Evaluate the value of an arithmetic expression in Reverse Polish Notation Valid operators are+,-,*,/Each operand may be an integer or another expression Some examples:.. [" 2" , " 1" , " +" , " 3 " ," * " ]-> ((2+ 1)* 3)-> 9 [" 4 " ," 13 " ," 5 " ," /" ," + " ]-> (4+ (13/After this problem is to write a program to calculate the inverse Polish results, iterate expression operand stack encounter, encounter operator to fetch two operands the stack, and then calculated as follows:> 6 Analysis- 5)) The results of the stack, the only remaining operand stack is the final calculations.)

能量谱分析计算,包括广义互相关函数GCC时延估计，是路径规划的实用方法。( Energy spectrum analysis and calculation, Including the generalized cross-correlation function GCC time delay estimation, Is a practical method of path planning.)

说明：  信号幅度调制与解调 和 希尔伯特变换与单边带幅度调制 (Amplitude modulation and demodulation and Hilbert Transform and single sideband amplitude modulation)

插值，函数逼近，矩阵特征值计算，数值微分，积分，方程求根，非线性方程求解，迭代，随机数生成，特殊函数，常微分方程，偏微分方程等常用的matlab程序。(Interpolation, function approximation, matrix eigenvalue calculation, numerical differentiation, integration, finding roots of equations, nonlinear equations, iterative, random number generators, special functions, ordinary differential equations, partial differential equations and other commonly used matlab program.)

小波和希尔伯特两种算法对同一个信号进行处理后的比较，(It is about the wt and hilbert transform for the same signal)

说明：  用MATLAB设计及FPGA实现IIR滤波器的方法 摘要 本文介绍了IIR数字滤波器的传统设计思想与步骤及计算机辅助设计方法。并在FPGA上高效实现的低阶IIR滤波 器，其阶数低，实时响应快，适合雷达等的实时、高效处理环境。利用IIR滤波器的多相结构来实现该滤波器系统的方法，对于 四通道的情形在MATLAB上利用Simulink作了仿真, 并在目标板上对算法进行了实现,证明该系统能够同时处理四个通道的信号。(Using MATLAB Design and FPGA realization IIR Filter method Abstract This paper introduces IIR digital filter traditional design Thought and steps and CAD method. And FPGA on efficient realization low IIR filter, its order low, real response fast suitable radar real time, efficient processing environment. Use IIR filter multiphase structure realize the filter systematic method, for four channel circumstances in MATLAB on use Simulink made simulation and target board algorithm was realized proved system can simultaneously four channel signal.)

说明：  SE4110GPS接收机芯片。应用于高灵敏度，低功耗GPS、AGPS、手机等等。(The SE4110L is a highly integrated GPS receiver offering high performance and low-power operation in a wide range of low-cost applications. It is particularly well-suited to mobile phone and high sensitivity L1-band GPS and A-GPS systems.)

53.online polling software system internet

ROF系统发送端程序，包括编码以及一些必要的转换，处理过的信号可以直接在光纤中传输。(ROF system side program, including the necessary coding and conversion, the processed signals can be transmitted directly to the fiber.)

卷积码不同码型的性能比较，通过改变生成多项式，可以仿真不同的码型(Comparison of the performance of a convolutional code different patterns, by changing the generator polynomial, the different patterns can be simulated)