CEO at @muhura • 10m
but it's just due to reduction in marketing,the fundamental expenses have risen.
मैं एक विचार हूं (I ... • 7m
I have attended a seminar on Noise reduction technology of UAV (Quadcoptor). They used two things: 1. By changing blade profile of UAV propeller they have achieved 8dB reduction in noise. 2. By using phase control they have reduced noise by 6 dB. A
See MoreDownload the medial app to read full posts, comements and news.