Polytec 杂志
Laser-Doppler-Vibrometer set standards in the development of electric drives
Electric machines are increasingly being used as the primary drive technology in vehicles. The acoustic behavior of the drive is a key factor in the perceived quality of electric vehicles. Numerical method…
5 min
Non-contact alternative to dynamic and viscoelastic mechanical testing in cartilage
Osteoarthritis, a degenerative disease in the joint, is a condition that is afflicting approximately 14% of adults. Understanding the dynamics of the joint cartilage is crucial for research and for finding…
6 min
Analyzing operational deflection shapes on loudspeakers
Noise protection and control play a major role in both professional and private environments. Airborne sound measurements help identify acoustic paths as a means of noise reduction as standard testing meth…
4 min