Applications FFT
Vibration analysis
v-1-1
Measuring natural vibration frequency and damping ratio by hammering test
v-1-2
Measuring natural vibration frequency by sine sweep using internal signal from an exciter controller.
v-1-3
Measuring natural vibration frequency by sine sweep using external signal in sync with measurement.
Acoustic analysis
S-1-1
Sound analysis of a smartphone/cell phone
S-1-2
Measuring frequency characteristics and harmonic distortion of a speaker sound
S-1-3
Octave analysis of noise from OA equipments and home appliances
S-1-4
Quality control of wire harness device depending on the winding noise
Fluctuation imbalance analysis
F-1-1
Speed fluctuation analysis of production line of paper, film, or similar product
F-1-2
Imbalance correction of rotating object (field balancing)
OK/NG judgment, quality control (using PC or PLC* etc.)
Q-1-1
OK/NG judgment of metal parts by hammering sound
Q-1-2
OK/NG judgment of the generated noise from power supply board on a production line
Q-1-3
OK/NG judgment of a motor on a inspection line
Q-1-4
Judgment of vibration caused by rotation imbalance of a turbo fan
Q-1-5
Rotation tracking analysis of a transmission unit and quality control on computer through LAN
Q-1-6
Quality control of a stepping motor (statistical processing of vibration level and frequency spectrum)
Q-1-7
Quality control based on rotation speed variation of a DC motor or a fan motor
Q-1-8
Quality control based on amplitude-modulated noise (whining noise) of an alternator
Q-1-9
Quality control of ABS motor
Q-1-10
Quality control of power steering pump
Other analysis (special purpose usage)
O-1-1
Measuring Young's modulus of timber
O-1-2
Breakage diagnosis of rotor bar in squirrel cage induction motor
O-1-3
Measurement and evaluation of harmonic component of current flowing electric and electronic devices