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.

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Social Media Analytics, Data Visualization, Graph Theory, Relational Databases, Data Presentation, Data Visualization Software, R (Software), Infographics, Data Analysis, Network Model, Database Theory, Query Languages, Social Sciences, Statistical Analysis, Machine Learning, Machine Learning Methods, R Programming, Data Manipulation
★ 4.4 (22) · Intermediate · Specialization · 3 - 6 Months
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Public Key Infrastructure, Key Management, Transaction Processing, Authentications, Data Security, Information Privacy, Data Integrity
★ 4.5 (53) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Data Ethics, Unsupervised Learning, Dimensionality Reduction, Responsible AI, Text Mining, Data Preprocessing, Data Transformation, Anomaly Detection, Exploratory Data Analysis, Machine Learning, Scikit Learn (Machine Learning Library), Natural Language Processing, Data Science, Quality Assurance, Data Pipelines, Machine Learning Algorithms, Classification Algorithms, Design Thinking, Python Programming
★ 4.4 (84) · Advanced · Course · 1 - 4 Weeks
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Electrophysiology, Cell Biology, Physiology, Immunology, Biochemistry, Pathology, Endocrinology, Pharmacology, Molecular, Cellular, and Microbiology, Biology, Molecular Biology, Drug Development, Oncology
★ 4.8 (99) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Patient Registration, Medical Records, Medical Billing and Coding, Medical Office Procedures, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Patient Communication, Health Information Management, Revenue Cycle Management, Electronic Medical Record, Records Management, Clinical Documentation, Patient Safety, Care Coordination, Data Entry, Scheduling, Inventory Management System, Medical Terminology, Regulatory Compliance, Key Performance Indicators (KPIs), Quality Assurance
★ 4 (26) · Beginner · Specialization · 3 - 6 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Control Systems, Automation Engineering, Simulation and Simulation Software, Digital Signal Processing, Matlab, Process Control, Engineering Analysis, Electrical and Computer Engineering, Mathematical Modeling, Systems Analysis, Differential Equations, Estimation
★ 5 (6) · Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Apache Hadoop, Cloud Computing, Cloud Deployment, Apache Spark, Web Services, Cloud API, Cloud Technologies, Cloud Services, Virtualization and Virtual Machines, Cloud Computing Architecture, Cloud Infrastructure, PySpark, Distributed Computing, Data Processing, Cloud Storage, Docker (Software), Virtualization, Containerization, Restful API, Data Architecture
★ 4.6 (8) · Intermediate · Specialization · 1 - 3 Months

AI CERTs
Skills you'll gain: AI Integrations, Data Ethics, Responsible AI, AI Workflows, AI literacy, Business Process Automation, Automation, ChatGPT, Computer Science, Analysis, Innovation, Decision Making, Natural Language Processing, Creative Problem-Solving, Business Planning, Business Strategy, Organizational Strategy
★ 4.7 (21) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Business Analytics, Data Presentation, Analytics, Interactive Data Visualization, Statistical Visualization, Data Literacy, Data Analysis, Business Intelligence, Analytical Skills, Advanced Analytics, Data-Driven Decision-Making, Analysis, Trend Analysis, Predictive Analytics, Data Strategy, Data Warehousing, Data Science, Case Studies
★ 4.6 (287) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Professional Networking, Interviewing Skills, Technical Communication, Data Infrastructure, Data Warehousing, Data Pipelines, Big Data
★ 4.7 (105) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Precision Medicine, Biomedical Engineering, Energy and Utilities, Image Analysis, Medical Imaging, Artificial Intelligence, Electric Power Systems, Bioinformatics, Drug Development, Sustainable Technologies, Generative AI, Patient-centered Care, Applied Machine Learning, Predictive Modeling, Machine Learning Methods, Anomaly Detection, Machine Learning Algorithms
★ 4.6 (80) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Restful API, HTML and CSS, Web Design, Web Design and Development, Cloud API, Hypertext Markup Language (HTML), Web Development, Application Programming Interface (API), Cascading Style Sheets (CSS), Web Applications, Real Time Data, Javascript
★ 4.3 (49) · Intermediate · Guided Project · Less Than 2 Hours