CST Antenna Design FSS & RFID Simulation Masterclass [New]

Draw a square-shaped antenna element in CST Studio Suite, set coordinates and origin, and use parametric updates to adjust width, length, and height for precise modeling.

Design a rectangular antenna in CST studio by creating a 4 by 4 by 0.5 brick, assigning w, L, h, shifting to the origin, and previewing dimensions.

Design circular and semi-circular antennas in CST studio by drawing a circle and semicircle, setting the circle's radius, using a cut with boolean subtract, and adjusting color.

Draw and customize planar antenna shapes in CST studio, creating rings, circles, triangles, squares, and polygons by adjusting inner/outer radii, segment counts, and z max values.

Create a ring with height in CST studio by modeling a cylinder with outer radius 3 and inner radius 0.5, then subtract a shifted second cylinder and a brick.

Design a copper slotting antenna in CST Studio by building a 6 by 6 by 0.035 mm brick and creating 0.5 by 2.5 slots with a 0.5 gap, boolean subtract.

Create a copper 8 by 8 by 0.035 CST brick, create eight 1 by 2 slots with 0.25 gaps, then copy, translate, and subtract to reveal the slotted geometry.

Learn to design cylindrical vias in antennas with CST Studio by defining width, length, and height, creating and spacing cylindrical holes, and subtracting them with parametric updates.

Learn to design an h-shaped geometry in CST Studio by creating bricks, copying and translating them, using a midpoint, and uniting parts with a boolean add, then adjust dimensions.

Design a microstrip patch antenna in CST Studio using FR4 substrate, copper patch and ground plane, with a feed line and discrete port simulation at 2.5 ghz.

Analyze the S11 parameter of patch antenna in CST Studio Suite, noting dip near 2.4 GHz and how a parametric sweep of thickness, patch width, and feed width influence resonance.

Master gain calculation for patch antennas in CST by configuring field monitors at 2.4 GHz and evaluating far-field, realized gain, polar plots, and field distributions.

Perform parametric sweeps of patch antenna dimensions, like patch width and feed line width, and analyze their effects on S11, bandwidth, and operating frequency around 2.4 GHz.

Design a microstrip patch antenna in CST using analytical equations to compute patch width and length from resonant frequency and dielectric constant, with 13 GHz FR4 and S111 parameter.

Design a 13 ghz microstrip patch antenna in CST Studio Suite using analytically derived width and length with a parametric sweep on fr4 substrate, copper patch, and ground plane.

In CST, simulate the antenna over 10–20 GHz, check S11 with reflection below -10 dB, observe operation at 15.5 GHz, and plan a parametric sweep to reach 13 GHz.

Use parametric sweep in CST to optimize a microstrip patch antenna by adjusting width and substrate, converging on the 13 GHz operating frequency via S11.

Apply parametric sweep in CST to vary antenna width and patch length, analyze S11 and operating frequency shifts, and optimize band performance through iterative 1D results.

Perform a parametric sweep of feed width and feed length in CST. Observe that feed width shifts the operating frequency toward 13 GHz, while feed length shows negligible change.

Perform a parametric sweep to shift the antenna frequency toward 13 GHz by adjusting page width. Evaluate S-parameter results to meet the -10 dB reflection criterion at 4.5 width.

Evaluate antenna feedline matching with voltage standing wave ratio and the reflection coefficient in CST, noting that vswr below two indicates a good match and return loss reflects efficiency.

Learn to calculate radiation and total antenna efficiency in CST, using 1D results at 13 GHz and percent/dB representations from the efficiencies folder.

Explore frequency selective surfaces (FSS) as periodic unit-cell structures that control electromagnetic waves, using square loops, dipoles, and slots to transmit or block specific frequencies; design and simulate in CST.

Design and simulate a band stop FSS unit cell in CST, using a Rogers 5880 laminate substrate and copper square-loop geometry to analyze S11 and S21 for band stop behavior.

Demonstrates creating a frequency selective surface by repeating cells into grid with 0.3 mm spacing, then simulating to show X-band rejection at 8–12 GHz and low transmission, i.e., a bandstop.

Perform a parametric analysis of a bandstop fss unit cell by sweeping substrate length p, observing frequency shifts and reusing results to optimize and replicate for the full fss structure.

Analyze bandstop FSS under oblique incidence by sweeping theta from 0 to 60 degrees and observe the frequency shift toward higher bands, noting stability from 0–30 degrees.

Create a bandpass frequency selective surface unit cell for c-band using copper square-loop patches on FR4 substrate, front and back, simulated to demonstrate transmission in the 4–9 GHz range.

Convert a bandpass fss unit cell into a full grid, simulate the array, and confirm consistent bandpass behavior with a parametric sweep.

Apply a parametric sweep on the unit cell to optimize a bandpass FSS design. Replicate the optimized unit cell into a full FSS sheet to ensure consistent results.

Study how angle of incidence reshapes a bandpass fss unit cell by sweeping theta from 0 to 60 degrees, revealing passband shifts and the behavior of s11 and s21.

Design a novel wideband frequency selective surface unit cell for millimeter-wave applications, using a Jerusalem cross on Rogers substrate with back and top fan shapes to achieve wideband bandstop behavior.

Replicate the wideband unit cell in x and y to form an fss sheet with spacing equal to the unit cell size, producing a stopband from 47.5 to 69 ghz.

Explore how changing unit cell parameters with a parametric sweep shifts wideband FSS transmission, focusing on the j cross width and optimizing the design before scaling to a full sheet.

Explore wideband fss oblique incidence angle analysis by sweeping theta from 0 to 45 degrees, examining effects on s-parameters, stopbands, and bandwidth of the unit cell.

Learn how RFID tags, readers, and back-end systems identify and track assets using wireless communication. Compare chipless RFID with chip-based tags, and explore notch-based encoding and radar cross section simulations.

Explore how changing the oblique incident wave angle affects the RFID tag’s resonator response, sweeping theta from 0 to 60 degrees and analyzing seven notches across resonators.

Investigate dual polarization of an RFID tag by varying polarization from 0 to 180 degrees, running a parametric sweep, and confirming stable dual-polarized responses that encode 14 bits.

Design a chipless RFID unit cell with five nested resonators on a copper ground plane over a 1.6 mm FR-4 substrate, encoding data in a 2–9 GHz range.

Analyze oblique incidence effects on RFID tag response by sweeping angles from 0 to 60 degrees and observing that resonant frequencies stay constant while depth varies.

Explore how changing polarization affects a chipless RFID tag's response by sweeping phi from 0 to 90 degrees, revealing polarization independence and dual polarization performance.

Design a compact dual-polarized chipless RFID tag using slot-length variation in I-shaped resonators; simulate unit-cell RCS in CST from 4 to 14 GHz, revealing five encoding resonances.

Demonstrates the RFID tag's dual polarization by varying the E-field direction and showing cross-polarization behavior for 0° and 90°; explains dummy notch encoding of up to two bits.

Analyze how dual polarization responds as theta varies from 0 to 60 degrees, resonance depth changes while the overall response remains robust and encoding occurs via vertical and horizontal holes.