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.

Technical University of Denmark (DTU)
Skills you'll gain: Jupyter, Medical Imaging, 3D Modeling, Image Analysis, Image Quality, Numerical Analysis, Mathematical Modeling, Materials science, Digital Signal Processing, Python Programming
★ 4.7 (67) · Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Data Storytelling, Web Scraping, Google Sheets, Data Visualization, Data Presentation, Statistical Visualization, Spreadsheet Software, Large Language Modeling, Tableau Software, Data Literacy, Dashboard, Pandas (Python Package), Time Series Analysis and Forecasting, Probability & Statistics, Extract, Transform, Load, Statistical Analysis, Statistics, Data Manipulation, Data Analysis, Descriptive Statistics
★ 4.7 (286) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Inventory Management, Customer Data Management, Order Processing, Order Management, Order Fulfillment, Inventory Management System, Inventory Control, Product Assortment, Account Management, E-Commerce, Web Analytics, Retail Management, Product Management, Content Management Systems, Retail Store Operations, Performance Analysis, Editing, Marketing, Business
★ 4.5 (603) · Beginner · Guided Project · Less Than 2 Hours
University of Pennsylvania
Skills you'll gain: Health Systems, Health Care Administration, Health Care Procedure and Regulation, Health Care, Medicaid, Insurance, Health Policy, Insurance Policies, Medicare, Copayment Collection and Processing, Economics, Home Health Care, Supply And Demand, Market Dynamics, Long Term Care, Payment Systems, Hospital Medicine, Hospice
★ 4.8 (706) · Mixed · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Retrieval-Augmented Generation, ChatGPT, Generative AI Agents, Prompt Patterns, Generative AI, Prompt Engineering, OpenAI, OpenAI API, Expense Management, AI Personalization, Expense Reports, Travel Arrangements, Tool Calling, Test Case, Human Computer Interaction, Interaction Design, Responsible AI, Human Centered Design, System Testing, Safety Assurance
★ 4.8 (802) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Data Warehousing, Apache Hadoop, Power BI, Data Architecture, Data Visualization Software, Microsoft Azure, Apache Spark, Extract, Transform, Load, Data Engineering, Database Administration, Big Data, Apache, Data Integration, Business Intelligence, SQL, Databases, Warehousing, Analytics, Data Storage
★ 4.9 (55) · Intermediate · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Apache Spark, Apache Hadoop, Application Design, User Interface (UI), Distributed Computing, Programming Principles, Leaflet (Software), Big Data, Data Processing, Software Design, Data Structures, Software Design Patterns, Functional Design, Object Oriented Design, Data Manipulation, Object Oriented Programming (OOP), Interactive Data Visualization, Scientific Visualization, Algorithms
★ 4.7 (11K) · Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Data Modeling, Database Design, Extract, Transform, Load, Databases, Data Warehousing, Database Systems, Data Pipelines, Business Intelligence, Data Integrity, Data Validation, Data Mart, Business Process, Data Integration, Data Management, Data Quality, Data Transformation, Performance Testing
★ 4.7 (730) · Advanced · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Plot (Graphics), Data Visualization, Data Literacy, Statistical Methods, Data Science, Applied Machine Learning, Unsupervised Learning, Statistics, NumPy, Python Programming, Pandas (Python Package), Data Analysis, Machine Learning Algorithms, Descriptive Statistics, Data Processing, Analytics, Machine Learning, Data Manipulation
★ 4.6 (735) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Microsoft Word, Microsoft Office, Microsoft 365, Productivity Software, Writing, Business Writing, Document Management
★ 4.7 (800) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: AI Security, Prompt Engineering, Threat Modeling, Responsible AI, AI Integrations, Prompt Patterns, Prompt Engineering Tools, Model Training, Security Controls, DevSecOps, Threat Management, Data Ethics, Threat Detection, Cybersecurity, Generative AI, Authorization (Computing), Data Security, Cyber Operations, Continuous Monitoring, Machine Learning
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Plant Operations and Management, Water Quality, Pump Stations, Energy and Utilities, Thermal Management, Mechanical Engineering, Chemical Engineering, Process Control, Process Engineering, Water Resource Management, Analytical Chemistry, Environmental Engineering, Water Resources, Equipment Design, Reliability
Intermediate · Course · 1 - 4 Weeks