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: PySpark, Matplotlib, Apache Spark, Big Data, Data Processing, Distributed Computing, Data Management, Data Visualization, Data Presentation, Data Analysis, Data Manipulation, Data Cleansing, Query Languages, Python Programming
★ 4.4 (320) · Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Augmented and Virtual Reality (AR/VR), Augmented Reality, Virtual Reality, Disabilities, Emerging Technologies, Virtual Environment, Display Devices, Diversity Awareness, Design Strategies, Human Computer Interaction, Information Privacy, Diversity Equity and Inclusion Initiatives, Innovation, Human Factors (Security), Ethical Standards And Conduct
★ 4.7 (418) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Design Software, Diagram Design, Technical Design, Design, Open Source Technology, Software Installation, Data Import/Export
★ 4.1 (33) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Month End Closing, Balancing (Ledger/Billing), Variance Analysis, Fraud detection, Expense Management, Bookkeeping, Generally Accepted Accounting Principles (GAAP), Record Keeping, Reconciliation, Income Statement, Data Validation, Payroll Systems, Expense Reports, Financial Statements, Payroll Processing, Business Metrics, Financial Analysis, General Ledger, Financial Reporting, Accounts Payable
★ 3.6 (17) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Model Training, Model Deployment, Microsoft Azure, Artificial Intelligence, Applied Machine Learning, Python Programming, Machine Learning Methods, Machine Learning, Machine Learning Algorithms, Data Science, Image Analysis, Computer Vision, Process Driven Development, Natural Language Processing, Application Programming Interface (API)
★ 4.4 (978) · Advanced · Course · 1 - 3 Months
Skills you'll gain: SQL, SAS (Software), Case Studies, Database Management, Query Languages, Data Access, Database Management Systems, Data Processing, Data Presentation, Perl (Programming Language), Statistical Programming, Data Wrangling, Data Integration, Data Structures, Data Management, Data Manipulation, Data Transformation, Data Analysis Software, Code Reusability, Software Documentation
★ 4.8 (410) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Finite Element Methods, Simulation and Simulation Software, Engineering Analysis, Simulations, Engineering, Verification And Validation
★ 4.6 (262) · Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Chemical Engineering, Hazard Analysis, Process Engineering, Occupational Hygiene, Hazard Communication (HazCom), Safety Assurance, Fire And Life Safety, Chemical and Biomedical Engineering, Occupational Health, Health And Safety Standards, Risk Analysis, Risk Modeling, Risk Management, Engineering Practices, Environment Health And Safety, Failure Analysis, Risk Control, Chemistry, Accident Prevention, Risk Mitigation
★ 4.8 (360) · Advanced · Specialization · 3 - 6 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Image Quality, Image Analysis, Digital Signal Processing, Computer Graphics, Python Programming, Color Theory, Algorithms
★ 4.4 (15) · Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, Data Access, Data Sharing, Web Applications, Data Mining, Interoperability, Software Architecture, Data Architecture, Data Modeling
★ 4.1 (94) · Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Empathy & Emotional Intelligence, Liberal Arts, Social Sciences, Culture, Psychology, Anthropology, Artificial Intelligence, Human Computer Interaction, Robotics, Research
★ 4.4 (525) · Beginner · Course · 1 - 3 Months

Salesforce
Skills you'll gain: Sales Pipelines, Sales Process, Sales Operations, Order Management, Sales Management, Sales Support, Order Entry, Closing (Sales), Salesforce, Request For Quotation (RFQ), Sales Enablement, Order Management Systems, Product Knowledge, Product Lining, Order Processing, Product Assortment, Contract Management, Collaborative Software, Account Management, Kanban Principles
★ 4.7 (249) · Beginner · Course · 1 - 4 Weeks