Portrait of Changzhi Li
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Medical & Dental

Changzhi Li

Non-contact Doppler-radar health-monitoring sensor

United StatesEvidence: high confidenceChecked July 2026

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Who is Changzhi Li?

Changzhi Li is an inventor associated with United States. Their documented work in medical & dental includes Non-contact Doppler-radar health-monitoring sensor, the contribution at the center of this evidence-backed profile.

Li develops low-cost Doppler-radar sensor hardware that remotely measures respiration, heartbeat, movement, and other physiological signals without skin contact.

Known forNon-contact Doppler-radar health-monitoring sensor
FieldMedical & Dental
Associated withUnited States
Evidence reviewed2 sources
01

What did Changzhi Li invent?

radar-sensor inventor

02

What did Changzhi Li accomplish?

The wearable-free sensor turns microwave radar into a practical physical instrument for health monitoring and human-computer interaction.

03

What is known about Changzhi Li today?

Texas Tech’s current Electrical & Computer Engineering profile identifies Li as Associate Academic Dean and records his RF/analog and microwave/millimeter-wave sensing work; TTU’s 2024 I-Corps profile identifies his non-contact Doppler-radar health-monitoring hardware.