Ultrasonic bearing estimation using a MEMS microphone array and spatiotemporal filters

2003 ◽  
Author(s):  
M.A. Clapp ◽  
R. Etienne-Cummings
Keyword(s):  
Microphone Array ◽  
Mems Microphone ◽  
Bearing Estimation ◽  
Spatiotemporal Filters

scholarly journals Design of Small MEMS Microphone Array Systems for Direction Finding of Outdoors Moving Vehicles

Sensors ◽  
2014 ◽  
Vol 14 (3) ◽  
pp. 4384-4398 ◽  
Author(s):  
Xin Zhang ◽  
Jingchang Huang ◽  
Enliang Song ◽  
Huawei Liu ◽  
Baoqing Li ◽  
...  
Keyword(s):  
Microphone Array ◽  
Direction Finding ◽  
Moving Vehicles ◽  
Mems Microphone

Development of decomposition method of flow and sound fields around vehicle using MEMS microphone array

2019 ◽  
Vol 2019 (0) ◽  
pp. IS-04
Author(s):  
Kenta MIZUSHIRI ◽  
Tsukasa YOSHINAGA ◽  
Hiroshi YOKOYAMA ◽  
Akiyoshi IIDA
Keyword(s):  
Decomposition Method ◽  
Microphone Array ◽  
Sound Fields ◽  
Mems Microphone

Passive Acoustic Localization Based on MEMS Microphone Arrays

2015 ◽  
Vol 645-646 ◽  
pp. 517-521
Author(s):  
Xi Ming Dai ◽  
Wen Zhong Lou ◽  
Ming Ru Guo ◽  
Fu Fu Wang ◽  
Xin Jin
Keyword(s):  
Cross Correlation ◽  
Field Experiments ◽  
Microphone Array ◽  
Test System ◽  
Microphone Arrays ◽  
Time Difference Of Arrival ◽  
Practical Test ◽  
Acoustic Localization ◽  
Mems Microphone ◽  
Passive Acoustic

In this paper we used the MEMS microphone to detect the sound position. A four–microphone array was constructed to localize sound source with Time Difference of Arrival (TDoA) measurements based on hyperbola model. The time delay was calculated using Generalized Cross Correlation (GCC) algorithm. A practical test system was built to confirm the feasibility of the hyperbola model and GCC algorithm using MEMS microphone. Data were collected in field experiments and calculated on PC by matlab. The results show that the method instructed in this paper is feasible in localizing the sound position with MEMS microphone.

scholarly journals Application of MEMS Microphone Array Technology to Airframe Noise Measurements

2005 ◽  
Author(s):  
William Humphreys ◽  
Qamar Shams ◽  
Sharon Graves ◽  
Bradley Sealey ◽  
Scott Bartram ◽  
...  
Keyword(s):  
Microphone Array ◽  
Airframe Noise ◽  
Array Technology ◽  
Mems Microphone ◽  
Noise Measurements
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