Signal processing courses can help you learn about Fourier transforms, filtering techniques, and signal modulation. You can build skills in analyzing audio and visual signals, implementing algorithms for noise reduction, and working with time-frequency analysis. Many courses introduce tools like MATLAB and Python libraries, that support simulating signal processing techniques and analyzing real-world data.

Coursera
Skills you'll gain: Model Evaluation, Exploratory Data Analysis, Scikit Learn (Machine Learning Library), Probability & Statistics, Pandas (Python Package), Natural Language Processing, Data Preprocessing, Data Analysis, Classification Algorithms, Python Programming, Machine Learning
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Data Pipelines, Data Architecture, Requirements Analysis, Amazon Web Services, Data Warehousing, Data Processing, System Requirements, Extract, Transform, Load, Performance Tuning, Security Controls, Cloud Computing, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Network Security, Cyber Threat Hunting, Threat Modeling, Threat Detection, Cybersecurity, Threat Management, Cyber Security Assessment, Operating System Administration, Cyber Attacks, Hardening, Intrusion Detection and Prevention, Cyber Engineering, Malware Protection, Vulnerability Management, Vulnerability Assessments, Incident Response, Network Monitoring, Incident Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, Microsoft Azure, Data Lakes, Enterprise Architecture, Data Warehousing, Data Integration, Virtualization, Cloud Storage, Data Transformation, Data Governance, Real Time Data, Scalability
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Closing (Sales), Consultative Selling, Selling Techniques, Active Listening, Customer Relationship Building, Sales Process, Sales Strategy, Non-Verbal Communication, Overcoming Objections, Rapport Building, Interpersonal Communications, Consumer Behaviour
Mixed · Course · 1 - 4 Weeks
Stanford University
Skills you'll gain: Bayesian Network, Graph Theory, Probability Distribution, Network Model, Statistical Modeling, Markov Model, Decision Support Systems, Probability & Statistics, Network Analysis
Advanced · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Stored Procedure, Star Schema, Microsoft SQL Servers, Database Design, Relational Databases, Data Integrity, Database Development, Data Integration, SQL, Transaction Processing, Power BI, Data Warehousing, Database Management, Transact-SQL, Data Maintenance, Databases, Query Languages, Database Architecture and Administration, Database Systems, Data Management
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: QuickBooks (Accounting Software), Vendor Management, Ledgers (Accounting), Accounting Software, Inventory and Warehousing, Payroll Processing, Financial Reporting, Business Reporting, Customer Data Management, Management Reporting, Financial Analysis, Payroll, Billing & Invoicing, Sales Management, Project Accounting, Small Business Accounting, Accounting Systems, Business Software, Business, Business Analysis
Beginner · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Agentic systems, Generative AI Agents, AI Workflows, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Emerging Technologies, Business Ethics, Social Impact, Problem Solving, Analysis, Business Planning
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Manufacturing Processes, Schematic Diagrams, Engineering Design Process, Computer-Aided Design, Production Process, 3D Assets, Materials science, Design Strategies, Prototyping, Mechanical Engineering, Process Engineering, 3D Modeling, Manufacturing Operations, Design, Equipment Design, Experimentation, Laboratory Experience, Manufacturing and Production, Systems Of Measurement, Process Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Simulation and Simulation Software, Programmable Logic Controllers, Industrial Engineering, Control Systems, Electronic Hardware, Data Structures, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Anthropic Claude, Application Programming Interface (API), Restful API, LLM Application, JSON, Generative AI Agents, Artificial Intelligence, Automation
Intermediate · Course · 1 - 4 Weeks