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.

Scrimba
Skills you'll gain: Prompt Engineering, Prompt Patterns, Generative AI Agents, Tool Calling, Agentic Workflows, Agentic systems, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
★ 4.6 (92) · Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Sanitation, Environmental Engineering, Water Sustainability, Pump Stations, Sustainable Engineering, Process Engineering, Sustainable Technologies, Sustainable Systems, Engineering Design Process, Plant Operations and Management, Environment and Resource Management, Public Health, Data Collection, Research, Case Studies
★ 4.8 (684) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Model Training, Convolutional Neural Networks, Transfer Learning, Image Analysis, Predictive Modeling, Deep Learning, Radiology, Medical Imaging, Machine Learning, Computer Vision, Data Preprocessing, Data Transformation
★ 4.5 (340) · Intermediate · Guided Project · Less Than 2 Hours

Tally Education and Distribution Services Private Limited
Skills you'll gain: Accounts Payable and Receivable, Accounts Payable, Accounts Receivable, Budget Management, Accounting Software, Bookkeeping, Inventory Management, Ledgers (Accounting), Order Processing, Balancing (Ledger/Billing), Budgeting, Inventory Management System, Order Management, Accounting, General Accounting, Inventory Control, Cost Management, Financial Reporting, Expense Management, Financial Accounting
★ 4.5 (73) · Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Social Media Analytics, Text Mining, Unstructured Data, Quantitative Research, Data Visualization, Statistical Analysis, Data Presentation, Data Analysis, Statistical Methods, Correlation Analysis, R (Software), Application Programming Interface (API), R Programming, Regression Analysis, Data Collection, Python Programming
★ 4.1 (299) · Intermediate · Course · 1 - 4 Weeks
Stanford Online
Skills you'll gain: FinTech, Payment Systems, Financial Services, Financial Market, Capital Markets, Payment Processing, Financial Trading, Asset Management, Financial Systems, Securities Trading, Consumer Lending, Blockchain, Retail Banking, Banking, Financial Regulation, Investment Management, Financial Data, Digital Assets, Financial Regulations, Technology Strategies
★ 4.7 (167) · Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Web Scraping, Extract, Transform, Load, Data Manipulation, Data Wrangling, Data Preprocessing, Data Validation, Data Processing, Data Ethics, Data Import/Export, Data Cleansing, SQL, Data Transformation, JSON, Query Languages, Data Pipelines, Pandas (Python Package), Data Collection, Generative AI, Relational Databases, Unstructured Data
★ 4.5 (23) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Extract, Transform, Load, Data Modeling, Clinical Data Management, Database Design, Data Mapping, Data Dictionary, Data Quality, Data Transformation, Data Integrity, Data Validation, Data Integration, Health Informatics, Relational Databases, SQL, Query Languages
★ 4.2 (67) · Intermediate · Course · 1 - 3 Months
Georgia Institute of Technology
Skills you'll gain: Materials science, Experimentation, New Product Development, Laboratory Research, Sustainable Technologies, Manufacturing Processes, Process Development, Research Design, Engineering, Scientific, and Technical Instruments, Analytical Testing, Laboratory Testing, Chemical and Biomedical Engineering, Analytical Chemistry
★ 4.6 (180) · Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Product Engineering, Process Engineering, Experimentation, Engineering, Materials science, Environment, Systems Of Measurement, Microarchitecture, Laboratory Experience, Thermal Management, Analytical Testing, Laboratory Research, Biochemistry, Chemistry, Innovation, Scientific Methods
★ 4.6 (85) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Deep Learning, Convolutional Neural Networks, Artificial Neural Networks, Transfer Learning, Model Optimization, Recurrent Neural Networks (RNNs), Fine-tuning, Image Analysis, Generative Adversarial Networks (GANs), Model Training, Computer Vision, Natural Language Processing, Scalability, Reinforcement Learning, Distributed Computing
★ 4.3 (150) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Supervised Learning, Feature Engineering, Predictive Modeling, Predictive Analytics, Data Manipulation, Statistical Machine Learning, Classification Algorithms, Machine Learning Methods, Statistical Modeling, Design Thinking, Scikit Learn (Machine Learning Library), Data Cleansing, Model Training, Regression Analysis, Data Processing, Model Optimization, Tensorflow, Logistic Regression
★ 4.5 (125) · Intermediate · Course · 1 - 3 Months