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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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EC ENGR 102 · EE 102Systems and Signals

Electrical and Computer Engineering · 4 units · Undergraduate upper division (100-199)

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Elements of differential equations, first- and second-order equations, variation of parameters method and method of undetermined coefficients, existence and uniqueness. Systems: input/output description, linearity, time-invariance, and causality. Impulse response functions, superposition and convolution integrals. Laplace transforms and system functions. Fourier series and transforms. Frequency responses, responses of systems to periodic signals. Sampling theorem.

Letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Requisite: Mathematics 33A. Corequisite: Mathematics 33B.

BruinTree reads · Prerequisite

confidence 1.00 · from text
MATH 33A

BruinTree reads · Corequisite

confidence 1.00 · from text
MATH 33B

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

EC ENGR 102

  • MATH 33ALinear Algebra and Applications
    • MATH 3BCalculus for Life Sciences Students
      • MATH 3ACalculus for Life Sciences Students1 more beneath
    • MATH 31BIntegration and Infinite Seriesanother path to it
    • MATH 32ACalculus of Several Variables
      • MATH 31ADifferential and Integral Calculusanother path to it
  • MATH 33BDifferential Equations
    • MATH 31BIntegration and Infinite Series
      • MATH 31ADifferential and Integral Calculus1 more beneath

2 direct requisites. Showing 9 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

EC ENGR 102

  • EC ENGR 113Digital Signal Processing1 more beyond
    • EC ENGR 113DADigital Signal Processing Design
      • EC ENGR 113DWDigital Signal Processing Designanother path to it
    • EC ENGR 113DWDigital Signal Processing Design
    • BIOENGR M214ADigital Speech Processing
    • EC ENGR 114Speech and Image Processing Systems Design
      • EC ENGR M217Biomedical Imaging
      • BIOENGR M217Biomedical Imaging
    • EC ENGR 132AIntroduction to Communication Systemsanother path to it
    • EC ENGR 211ADigital Image Processing I
      • EC ENGR M217Biomedical Imaginganother path to it
      • BIOENGR M217Biomedical Imaginganother path to it
    • EC ENGR 212ATheory and Design of Digital Filters
    • EC ENGR M214ADigital Speech Processing
      • EC ENGR 214BAdvanced Topics in Speech Processing
  • EC ENGR C115PPower Electronics
  • EC ENGR 132AIntroduction to Communication Systems
    • EC ENGR 230BDigital Communication Systems
  • EC ENGR 141Principles of Feedback Control
    • BIOENGR M296AAdvanced Modeling Methodology for Dynamic Biomedical Systems
      • BIOMATH M270Optimal Parameter Estimation and Experiment Design for Biomedical Systems
      • BIOENGR M296BOptimal Parameter Estimation and Experiment Design for Biomedical Systems1 more beyond
    • CH ENGR M280ALinear Dynamic Systems
      • EC ENGR M242ANonlinear Dynamic Systems
      • CH ENGR M282ANonlinear Dynamic Systems
      • MECH&AE M272ANonlinear Dynamic Systems
      • CH ENGR 283CAnalysis and Control of Infinite Dimensional Systems
    • COM SCI M296AAdvanced Modeling Methodology for Dynamic Biomedical Systemsanother path to it
    • MECH&AE C171BDigital Control and Learning of Physical Systems
    • MED M270CAdvanced Modeling Methodology for Dynamic Biomedical Systemsanother path to it
    • MECH&AE M270ALinear Dynamic Systems
      • EC ENGR M242ANonlinear Dynamic Systemsanother path to it
      • CH ENGR M282ANonlinear Dynamic Systemsanother path to it
      • MECH&AE 270BLinear Optimal Control2 more beyond
      • MECH&AE M272ANonlinear Dynamic Systemsanother path to it
      • MECH&AE 273ARobust Control System Analysis and Design
      • MECH&AE 277Advanced Digital Control for Mechatronic Systems
      • MECH&AE 279Dynamics and Control of Biological Oscillations
    • MECH&AE C274Digital Control and Learning of Physical Systems
  • EC ENGR 142Linear Systems: State-Space Approach
    • BIOENGR M296AAdvanced Modeling Methodology for Dynamic Biomedical Systemsanother path to it
    • COM SCI M296AAdvanced Modeling Methodology for Dynamic Biomedical Systems
      • COM SCI M296BOptimal Parameter Estimation and Experiment Design for Biomedical Systems1 more beyond
    • MED M270CAdvanced Modeling Methodology for Dynamic Biomedical Systems
      • MED M270DOptimal Parameter Estimation and Experiment Design for Biomedical Systems1 more beyond
  • EC ENGR C149Foundations of Computer Vision
  • EC ENGR 183DADesign of Robotic Systems I
    • EC ENGR 183DBDesign of Robotic Systems II
  • EC ENGR C215PPower Electronics
  • EC ENGR C249Foundations of Computer Vision

9 courses list this as a requisite. Showing 50 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

  • Fall 2025
  • Winter 2026
  • Spring 2026
  • Summer 2026
  • Fall 2026
  • Winter 2027
  • Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.