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Install FreeSwitch PBX on Ubuntu 20.04/18.04视频：youtube：https://youtu.be/efcATkat-x0bilibili：https://www.bilibili.com/video/BV16r4y1F7ng/sudo apt -y updatesudo apt install -y git subversion build-essential autoconf automake libtool libncurses5 l

import numpy as npimport pandas as pdfir_all = r'rca2.xlsx'fir_combined=r'combined_data.xlsx'dataFram=pd.read_excel(fir_combined)print(len(dataFram))# dataFram1 = pd.read_excel(fir_all,sheetna...

#include <Arduino.h>#include <ESP8266WiFi.h>#include <ESP8266WiFiMulti.h>#include <ESP8266HTTPClient.h>#include <SoftwareSerial.h>//soft ware serialSoftwareSerial ...

//使用时将单片机 poo口与p32口短接，poo用于出发外部中断#include &lt;reg52.h&gt;#define uchar unsigned char#define uint unsigned int//use p00-&gt;p32sbit con=P0^0;sbit led1=P1^0;sbit k1=P3^2;uchar ws=0;uchar num...

使用sql建立图书管理数据库启动数据库：首先是使用mac终端启动数据库的命令：sudo /usr/local/mysql/support-files/mysql.server startsudo /usr/local/mysql/support-files/mysql.server stopsudo /usr/local/mysql/support-files/mysql.ser...

sudo /usr/local/MySQL/support-files/mysql.server start

clc;clear all; close all;%%%---------------卡尔曼滤波-----------------%-----说明%X(k+1)=Ak*X(k)+W(k);%Y(k)=Ck*X(k)+V(k)%%clear;clc;%基本参数值Ak=exp(-0.02);Ck=1;Qk=1-exp(-0.04);Rk=1;%初始值设置X0=0;P0=1;%...

硬件：MAC软件：MySQL workbench创建数据库CREATE database OJBK_2;使用这个数据库USE OJBK_2;创建学生表格CREATE TABLE STUDENT(Sno CHAR(8),Sname CHAR(10),Class CHAR(8));创建成绩表格CREATE table GRADE(Sno char(8),Details varchar(8));-- 创...

C11E=eye(3,3);R=rand(3,2);S=[2 0;0 4];O=zeros(2,3);A=[E,R+R*S;O S^2]C=A*A;B=C结果：&gt;&gt; C11E =   1  0  0   0  1  0   0  0  1R =  0.9572  0.1419  0.4854  0.4218  0.8003  0.9157S =   2  0   0  4O =   0...

clc;clear allclose all;T=imread('f1.jpg');%读入电极图像M=imresize(T,[256 256]);%将图像调整256×256，为了显示方便YT=rgb2gray(M);%将RGB 格式转换为灰度图像%Figure(),%figuresubplot(2,5,1)imshow(YT);title('Original Pic');...

clc;clear all;close all;%初始化dataSize=13;rand('state',1);K=1;dataFrame=rand(dataSize,2).*0.2;% plot(dataFrame(:,1)',dataFrame(:,2),'x');CATEGORY = zeros(dataSize,5);%单个站点状态描述矩阵（4个特征）categoryId =...

操作系统实验 （HUST） 实验名称 文件管理 可用代码：#include<iostream>#include<string.h>#define max 6#define N max*maxusing namespace std;/******************************************************************/struct b