Table of Contents What is a Planar Near-Field System? What is a Spherical Near-Field System? Planar vs Spherical Near-Field: Key Differences Advantages of Planar Near-Field Systems How to Choose the Right Near-Field System Planar systems are generally best for highly directive, electrically large antennas, while spherical systems offer superior, full-sphere accuracy for low-to-moderate gain antennas,…
Table of Contents Understanding Sampling in Near-Field Measurements What is Aliasing and Why It Happens Factors That Influence Sampling Requirements Probe Selection and Compensation Techniques in Near-Field Testing Near-field measurements play a crucial role in RF design, EMC testing, and antenna characterization. Engineers rely on these measurements to reconstruct far-field patterns and analyze electromagnetic behavior.…
Table of Contents Understanding Near-Field and Far-Field Regions Why Near-Field Antenna Testing is Preferred How NF to FF Transformation Works How to Measure Antenna Radiation Patterns Accurately In modern wireless systems, understanding how antennas radiate energy is critical for performance and reliability. One of the most important aspects of antenna engineering is antenna radiation pattern…
Antenna Pattern Measurement for Automotive Radar Systems The rapid evolution of automotive radar technology demands precise antenna pattern measurements to ensure reliable performance in advanced driver assistance systems (ADAS) and autonomous vehicles. These measurements validate critical radiation characteristics that directly impact object detection accuracy, range resolution, and interference mitigation in complex driving environments. The Critical…
RF-shielded rooms are an integral part of electronics and communications testing. RF shielded rooms save external signals and prevent tests from being inaccurate. Engineers use them for EMC (Electromagnetic compatibility) testing and antenna testing. In this blog, let’s understand what RF-shielded rooms are and why they are important. What is RF-shielded room? An RF shield…
How To Test Antennas For Clear And Reliable Connections In the rapidly evolving world of telecommunications, the performance of an antenna is critical to ensuring clear and reliable connections. The antenna’s performance affects how well communication systems work, whether it’s for a mobile device, satellite communication, or radar systems. At DMC, we specialize in providing…