# Interface Circuit Chips Articles

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**BP algorithm in electromagnetic non-destructive testing of steel crack research**

1 Introduction As a result of China's iron and steel manufacturers of the steel material failure is a serious problem, with the attendant emergence of a variety of detection methods. In the field of electromagnetic nondestructive testing of var...

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**MATLAB array and matrix operations**

3.7 array and matrix operations 3.7.1 Cases 【*】 -1 transpose two different comparison clear; A = zeros (2,3); A (:) = 1:6;% wide element assignment method A = A * (1 + i)% the use of scalar and array generated by complex matrix A_A = A. ...

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**MATLAB-a tool for the shoulders of giants**

MATLAB and MATrix name is from two words LABoratory the combination of the first three letters. It is the company MathWorks introduced in 1982, a high-performance numerical computation and visualization of mathematics software. Hailed as "the s...

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**MATLAB based on the new components of the power system simulation modeling and analysis of**

Introduction Power system dynamic simulation of power system has become a research, planning, operation and design of the tools essential in all aspects, especially the electric power system research and development of new technologies, new device ...

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**MATLAB-based simulation of fuzzy controller**

I. INTRODUCTION For the first order with a delay of the step response of linear systems, in industrial control with a wide range of applications. Their identity is in the initial period of time when there is a considerable lag, and then increased m...

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**MATLAB combines AutoCAD to achieve the precise formula for drawing curves and surfaces**

I. INTRODUCTION Formula using AutoCAD drawing plane curve (such as the involute, heart-shaped line), the space curve formula (such as the helix) and the formula of surface (such as saddle-shaped surface) is difficult, under normal circumstances, th...

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**MATLAB-based modeling and simulation of ball screw dynamics analysis**

1 Introduction In CNC machine tools in the ball screw feed mechanism for the transmission components, with high efficiency, high-precision, low friction and reversible characteristics of the movement characteristics of ball screws on behalf of CNC ...

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**MATLAB Introduction to MATLAB with the function of basic computing**

1-1, the basic operations and functions Carried out in MATLAB basic arithmetic, just to be prompted to enter the expression sign (>>) after, and into the Enter button. For example: >> (5 * 2 +1.3-0.8) * 10/25 ans = 4.2000 Computing t...

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**MATLAB Introduction (3) MATLAB command logic**

1-3, the logical order The simplest command is the logical if, ..., end, its basic form: if conditional; Expression; end if rand (1,1)> 0.5, disp ( 'Given random number is greater than 0.5.'); end Given random number is greater th...

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**MATLAB Introduction (4) MATLAB command set number of files in a M**

1-4, set a number of command files in a M To the first implementation of a large number of MATLAB commands, these commands can be stored in a file called the m file, and its MATLAB prompt, type the file name to the main file. This file contains the...

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**MATLAB Introduction (7) MATLAB Numerical Analysis of Differential**

diff function for the differential calculus of a function, the corresponding function syntax has the following four: diff (f) returns f independent variable to the default value of a micro - diff (f, 't') return f of independent variables ...

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**MATLAB Introduction (8) MATLAB Numerical Analysis of Integral**

MATLAB Introduction (8) MATLAB integration of numerical analysis. int function to the integral calculus of a function, this function to find a symbolic F makes diff (F) = f. If the plot Fraction of the analytical (analytical form, closed form) doe...

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**MATLAB Introduction (9) MATLAB numerical analysis of ordinary differential equations to solve**

MATLAB Introduction (9) MATLAB numerical analysis of ordinary differential equations to solve. Solution of Ordinary Differential Equations MATLAB-style syntax is dsolve ( 'equation', 'condition'), one equation that is representative...

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**MATLAB Introduction (10) MATLAB numerical analysis of the real roots of nonlinear equations**

MATLAB Introduction (10) MATLAB numerical analysis of the real roots of nonlinear equations. Requirements of any one of the root of the equation there are three steps: First definition of the equation. Formula One should pay attention to the arran...

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**MATLAB Introduction (13) MATLAB three-dimensional map of the high-level processing**

MATLAB Introduction (13) MATLAB three-dimensional map of the high-level processing. 4.1. Blanking processing Cases. Blanking map before and after comparison of the graphics z=peaks(50); subplot(2,1,1); mesh(z); title('') hidden off su...

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**MATLAB command table used in the SIMULINK**

the simulink command set Simulation command sim run a simulink simulation module debug module sldebug a simulink Simulation parameter settings simset obtain the simulation parameters simget Linearization and finishing order linmod system from...

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**Matlab to solve the problem points to explore**

Internet often see someone asked about the integral aspects of a similar type, special methods are summarized below would like to help you learn. There are errors not hesitate to look to you. 1. Correlation function: % int(f,v) int(f,v,a,b) % trapz...

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**MATLAB can not run after installation solution**

Symptoms: After installation of the MATLAB software, click MATLAB icon, there will be a welcome one interface and then automatically shut down, there is no response after. Reasons: MATLAB requires some arithmetic processor, so you need to BLAS (Bas...

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**Guinness MATLAB function**

A, MATLAB used the basic mathematical functions abs (x): absolute value of scalar or vector length angle (z): plural z of the phase angle (Phase angle) sqrt (x): square root real (z): real part of complex z imag (z): the imaginary part of compl...

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