handwave

n.

手波，用手做波浪状；

The handwave bluetooth skin conductance sensor
The HandWave Bluetooth Skin Conductance Sensor
HandWave : design and manufacture of a wearable wireless skin conductance sensor and housing /
HANDWave Portable Ultrasonic Rail Flaw Detection
LIBRARIES HandWave: Design and Manufacture of a
Hand-wave recognition algorithm for smart home system
2A2-D24 Taxi Service with Outdoor Mobility Robot by Using Human Detection and Hand wave Detection
Telecom's revolutionary second-hand wave
Tek's hand wave. (NAB Products).(Tektronix WFM90D/91D)(Brief Article)
Implementation of bidirectional voice communication between normal & Deaf & Dumb People using hand wave & voice recognition