頻道數:4頻道
1/1、1/3八音度頻帶濾波器符合IEC 61260 : 1995 Class 1
頻率範圍:DC~40 kHz
FFT分析
- 分析頻率:100 Hz/200 Hz/500 Hz/1 kHz/2 kHz/5 kHz/10 kHz/20 kHz/40 kHz
- 分析點數:64/128/512/1024/2048/4096/8192/16384/32769
- 時間視窗功能:Rectangular / Hanning / Flat-top / Exponential / Force Exponential
- 分析功能:
頻率域:Spectrum / cross-spectrum / transfer function / coherence
時間域:Autocorrelation / cross-correlation / amplitude probability density / amplitude probability distribution
八音度頻帶分析
- 1/1八音度:0.5 Hz~16 kHz
- 1/3八音度:0.4 Hz~20 kHz
- 1/12八音度:0.36 Hz~22 kHz
標準軟體:
Time waveform / FFT analysis / Time waveform recording / Power spectrum map, octave map / Transfer function / coherence function / Octave band analysis / Recall processing / Overlay display /Auto-correlation function / Cross-correlation function / Amplitude probability density function