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Christopher Hogstrom (@GrittyEngineer)

Christopher is the founder of GrittyEngineer.com. He graduated from BYU with both his bachelor's and master's in electrical engineering with an emphasis in digital communications. Since graduating he has been very interested in the field of adaptive beamforming and its many applications.

Adaptive Beamforming is like Squeezing a Water Balloon

Christopher HogstromChristopher Hogstrom ● January 9, 2021●4 comments

Think of adaptive beamforming as squeezing a water balloon, a simple analogy that reveals how combining multiple antennas creates focused gains and deep nulls. This post walks through the MVDR (Wiener-filter–based) solution, explains steering and scanning vectors, and shows how array geometry and known signal direction control what you can and cannot cancel. Practical tips highlight limits like the N-1 interferer rule.

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