Complete Guide to DAC0832 Chip – Principles and Practical Applications Digital-to-analog conversion is an important aspect of electronic engineering. Today, we will explain in detail the working principle and usage of this classic chip, the DAC0832. Whether it’s for a signal generator or a control system, it can be utilized effectively. What is the DAC0832 … Read more
In modern industrial production, the health status of equipment directly determines the stability, efficiency, and economic benefits of the production line. As a key intelligent device for equipment health monitoring, vibration sensors can accurately capture subtle abnormal signals during equipment operation, providing crucial data support for preventive maintenance. This article will comprehensively explore the working … Read more
Amateur Radio Interesting and Fun Ham Community This article was published in November 2018 The Spectrum Monitor Magazine Author: Thomas Translated by: BG5WKP Zhu Yi SDR Introduction Part 1: Introduction to SDR and SDR Applications First, ask yourself what the goal of SDR is.Do you want to monitor ham radio traffic? How about aviation communications? … Read more
A Waveform Generator Designed Based on DSP Chip 01 Introduction In signal processing systems in fields such as communication, instrumentation, and control, sine waves and other waveform generators are frequently used. There are typically two methods to generate the desired waveforms. One method is to directly generate the waveform using algorithms (for example, a sine … Read more
✅ Author Introduction: A Matlab simulation developer passionate about research, skilled in data processing, modeling and simulation, program design, acquiring complete code, reproducing papers, and scientific simulations. 🍎 Personal Homepage:Matlab Research Studio 🍊 Personal Motto: Seek knowledge through investigation; feel free to DM for help. 🔥 Content Introduction As a core component of modern radar … Read more
clear all;load idealECG.mat;fs = 128;N = length(idealECG);t = (0:N-1)/fs; % SNR = 10;n_50 = 0.2 * sin(2 * pi * 50 * t);% nECG = awgn(idealECG,SNR,'measured')+n_50;% % save("nECG.mat","nECG");load nECG.mat; std(nECG-idealECG) std(nECG-idealECG-n_50) figure(1);subplot(2,1,1);plot(t,idealECG);xlim([5,10]);title('ideal ECG'); subplot(2,1,2);plot(t,nECG);xlim([5,10]);title("noisy ECG"); Scaler Kalman filter % Initialize the Kalman filter parametersA = 1; % State transition matrixH = 1; % Observation matrixR … Read more
Signal processing is one of the core technologies indispensable in fields such as electronic engineering, communication technology, and automation control. It not only relates to the acquisition, conversion, analysis, and expression of information but also directly affects the performance of systems and the effectiveness of applications. MATLAB, as a high-performance numerical computation and visualization software, … Read more