频带 - Frequency bands

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频带 - Frequency bands

 

It is possible to individually configure up to 32 frequency bands where the RMS value (RMS) or the noise of a quadrant is calculated.

可以单独配置多达 32 个频带,用于计算 RMS(均方根)值或象限噪声。

Parameter

参数

Settings

设定

Enable

使能

Off | RMS | Noise

关闭 | 均方根 | 噪声

Channel

通道

1 | 2 | 3 | 4

1 | 2 | 3 | 4

Source

数据源

Raw acceleration signal | Raw velocity signal | Enveloped acceleration signal | Enveloped velocity signal

加速度原始信号 | 速度原始信号 | 加速度包络信号 | 速度包络信号

Calculation of harmonics (RMS only)

谐波计算(仅限 RMS 值)

Yes | No

是 | 否

Rotation-dependent

(RMS only)

是否与转速相关(仅限 RMS 值)

On

Selects the data point for velocity (ActSpeed)

选择对应的速度数据点 (ActSpeed)

[1/100 Hz]

Standardized damage frequency at 60 rpm

在 60 rpm 的标准损坏频率

[1/100]

± Width of the frequency band (tolerance band)

± 带宽(公差)

[1/100 Hz]

Off

Lower frequency

频率下限

[1/4 Hz]

Upper frequency

频率上限

[1/4 Hz]

Quadrant (noise only)

象限噪声

1st quadrant | 2nd quadrant | 3rd quadrant | 4th quadrant

   第一象限    |     第二象限     |    第三象限    |    第四象限