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.

John Wiley & Sons
Skills you'll gain: Bookkeeping, Ledgers (Accounting), Payroll, Payroll Processing, General Accounting, Payroll Tax, Accounting, Standard Accounting Practices, Payroll Administration, Balancing (Ledger/Billing), General Ledger, Accounting Records, Financial Reporting, Generally Accepted Accounting Principles (GAAP), Accounting Software, Auditing, Financial Statements, Budgeting, Financial Analysis, Business Planning
Beginner · Course · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Internet Of Things, Application Programming Interface (API), TCP/IP, Web Services, Electronics, Control Systems, Embedded Systems, Network Protocols, USB, General Networking, Networking Hardware, Electronic Systems, Machine Controls, Hardware Design, Digital Signal Processing, Digital Communications, Computer Hardware, Python Programming
★ 4.7 (1.6K) · Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Session Initiation Protocols, Cloud Development, Android Development, Version Control, Integrated Development Environments, Cloud Applications, Cloud Computing Architecture, GitHub, Cloud Computing, Software Design, Application Development, Systems Design, Android (Operating System), Amazon Web Services, Embedded Software, Internet Of Things, Android Studio, Telecommunications, Mobile Development, Computer Vision
★ 4.5 (2.9K) · Intermediate · Specialization · 3 - 6 Months

Taipei Medical University
Skills you'll gain: Bioinformatics, Informatics, Machine Learning Algorithms, Model Training, Supervised Learning, Feature Engineering, Technical Communication, Machine Learning Methods, Classification Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Applied Machine Learning, AI Workflows, Random Forest Algorithm, Artificial Intelligence, Predictive Modeling, Molecular Biology, Natural Language Processing, Biology, Data Analysis
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Petroleum Industry, Oil and Gas, Market Dynamics, Energy and Utilities, Operating Cost, Transportation Operations, Operations, Production Process, Manufacturing and Production, Process Engineering, Market Trend, Cost Estimation, Market Analysis, Natural Resource Management, Capital Expenditure, Resource Utilization
★ 4.8 (6.7K) · Mixed · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Data Visualization, Data Analysis, Data Wrangling, Data Manipulation, Exploratory Data Analysis, Jupyter, Data Import/Export, Data Transformation, Statistical Methods, Data Preprocessing, Python Programming, Data Processing, Data Dictionary, Data Mapping, Data Structures, Feature Engineering, Data Management, Data Storage, Scripting Languages, Model Training
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Data Lakes, Cloud Storage, Redis, Data Warehousing, Looker (Software), Big Data, Data Infrastructure, Database Administration, Data Architecture, Performance Tuning, Data Storage, Databases, Data Management, Cloud Infrastructure, Cloud Management, Data Storage Technologies, Database Management Systems, Database Management, Database Architecture and Administration
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Science, Molecular Biology, Science and Research, Data Processing, Data Analysis, Computer Science, Correlation Analysis, Biotechnology, Statistical Analysis, Computational Thinking, Life Sciences, Probability & Statistics, Statistics, Software Engineering, Algorithms, Biology, Bioinformatics
★ 4.6 (4.9K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Model Deployment, Feature Engineering, PySpark, Data Import/Export, Big Data, Apache Spark, Data Governance, Apache Hadoop, Dashboard, Apache Kafka, Data Store, Cloud Services, Cloud Deployment, Data Access, Cloud API, Data Architecture, Data Quality, Data Cleansing, Machine Learning Methods
★ 4.6 (4.4K) · Intermediate · Specialization · 3 - 6 Months

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

John Wiley & Sons
Skills you'll gain: Database Design, Relational Databases, SQL, Database Application, Data Integrity, Database Management, Database Theory, Database Systems, Stored Procedure, Data Store, Network Model, Database Architecture and Administration, Transaction Processing, Database Management Systems, Systems Development, Microsoft SQL Servers, Query Languages, Data Access, Data Modeling, Data Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: LangGraph, AI Orchestration, Agentic Workflows, Workflow Management, LLM Application, Prompt Engineering, Prompt Patterns, Process Optimization, Generative AI Agents, Large Language Modeling, Process Driven Development, Business Process Automation, Operational Efficiency, Agentic systems, Automation, Context Management
Beginner · Course · 1 - 4 Weeks