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1)  spectrum error
频谱误差
1.
Estimate of the spectrum errors caused by the noise in time domain by using the errors power is discussed in this paper.
对含有噪声的数字信号进行时频变换时,必然引起频谱误差
2)  Frequency difference error
频差误差
3)  error spectrum
误差谱
4)  spectral error
谱误差
1.
Since the proposed method utilized the correlation among wavelet coefficients of a 1/f process, it efficiently reduces the spectral errors of the synthesized 1/f processes.
由于所提方法利用了1/f过程小波系数的相关性,因而有效地减少了合成1/f过程的谱误差。
5)  error of frequency mixing
混频误差
1.
The nonlinear error of frequency mixing in this measurement technology was analyzed and calculated,and it was pointed out that the elliptic polarization producing from Zeeman laser and the error of wave plate was the key issue.
着重分析并计算了非线性混频误差对测量精度的影响,其中塞曼激光和波片产生的光束椭偏化是关键因素。
6)  frequency error
频率误差
1.
A method of measuring TD-SCDMA signal frequency error based on virtual instrument is proposed.
提出了一种基于虚拟仪器的精确测量TD-SCDMA信号频率误差的方法,并给出了系统设计。
2.
The paper discusses frequency error generated by random phase undulation and gives Max.
讨论了随机相位波动产生频率误差,给出了在测量频率范围内随机相位波动产生的频率误差的最大均方根值误差。
3.
Small frequency error may exist in frequency sources between receiver and transmitter,because of the craft of devices when oven controlled crystal-oscillators of high stability are used in both transmitter and receiver.
机动式多基地地波超视距雷达是一种新型的雷达体制,发射站和接收站均采用高稳定度的恒温晶振作为频率源,但由于器件本身的工艺原因,收发站的两个频率源间可能存在微量的频率误差,这就使得接收站无法准确得到发射信息。
补充资料:倍频谱带
分子式:
CAS号:

性质:又称倍频谱带。红外光谱分析中的一种谱带;指某个吸收频率为基谐振动频率的2倍或3倍时的吸收带。它的产生是由于两个原子核间的库仑排斥力使振动频率发生了异常变化的结果。泛频带的吸收强度往往很低,因此这个吸收带有时测不出来。

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