Cognitive radio is a wireless communication technology that seeks to increase communication efficiency by dynamically changing transmission parameters in response to actively monitored environmental factors. This communication device relies on spectrum sensing, the task of assessing spectrum usage a.....
[更多]
Researchers at Purdue University have combined two commonly used technologies to make the process of scanning a fingerprint simpler and less stressful, especially for those with disabilities. A vibrating pad connected to a fingerprint sensor will vibrate at different frequencies indicating good fing.....
[更多]
This suite of technologies enhances hearing aid sensitivity and usability.
[更多]
| |<首頁 <-上一頁 下一頁-> 末頁>| |
