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noise rejection ratio
相关语句
  噪声抑制比
     In this paper we presented a new idea of linked Faraday anomalous dispersion optical filter(FADOF). The bandwidth of this linked FADOF is about 1GHz,and its noise rejection ratio is better than 10-6.
     本文提出级联法拉第反色散滤光器的新构思.这种新结构滤光器带宽~1GHz,噪声抑制比优于1×10-5.
短句来源
     The result shows that, compared with VADOF, the linked VADOF changes the multi-peak configuration of VADOF into single-peak one and has narrower bandwidth and higher noise rejection ratio.
     结果表明,级联佛克脱型原子滤光器将佛克脱型原子滤光器的多峰改造为单峰结构,具有比佛克脱型原子滤光器更窄的线宽和更高的噪声抑制比。 将这种新型结构应用于激光信标锁频。
短句来源
  “noise rejection ratio”译为未确定词的双语例句
     THE NOISE REJECTION RATIO OF ATS AND ITS EXPECTED OBSERVATION PRECISION
     地电自动测量系统(ATS)对地电噪音的抑制能力及其观测精度的估价
短句来源
     RESULTS For the signal which consisted of n frequency components, when we sampled N points per period, total operations we needed after sampling finished were 2n times multiplication operations and 2n times addition operations. And the random noise rejection ratio was (N/2) 1/2 . Except for particular frequencies, the harmonic components were rejected effectively.
     结果 在 n频率成分 ,每周期采样点为 N的情况下 ,从采样结束到解调完成共需 2 n次加法和 2 n次乘法运算 ,随机噪声可被衰减 (N/ 2 ) 1 /2 倍 .
短句来源
  相似匹配句对
     Noise
     噪声的危害与控制
短句来源
     NOISE
     噪音
短句来源
     Rejection
     心路历程——拒绝
短句来源
     Noise Rejection for Modal Acoustic Emission
     模态声发射的噪声剔除技术
短句来源
     REJECTION OF NOISE IN THE SIGNAL FREQUENCY SPECTRUM RANGE
     信号频段上干扰噪声的剔除
短句来源
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  noise rejection ratio
A noise rejection ratio of 1.33 was used for scattering off of pure solvents and 3.00 for polymer solutions.
      


The noise level and the noise rejection ratio of measuring equipments determine the precision of resistivity observation.

地电台的噪音强度及仪器对噪音的抑制能力决定了地电测量的精度。应用地电自动测量系统(ATS)对黄子洞台的地电噪音进行了实际测量,分析计算了该台各道的噪音强度,信噪比及ATS对噪音的实际抑制能力,进而对ATS用于该台地电阻率测量时各道所能获得的期望观测精度进行了估价,获得了观测精度可达到10~(-4)的结论,这一理论计算与实际观测结果非常接近。

In this paper we presented a new idea of linked Faraday anomalous dispersion optical filter(FADOF). The bandwidth of this linked FADOF is about 1GHz,and its noise rejection ratio is better than 10-6.

本文提出级联法拉第反色散滤光器的新构思.这种新结构滤光器带宽~1GHz,噪声抑制比优于1×10-5.

AIM To develop demodulation methods with high anti-noise ability and high speed for data acquisition system inelectrical impedance multi-frequency and parameter tomography. METHODS By using of "orthogonal sequential demodulation" we developed, a pair of orthogonal sinusoidal sequences was built and the inner products between these sequences and the sequence we acquired from measuring signal were calculated. Thus the real part and imaginary part of corresponding frequency component was got. RESULTS For the...

AIM To develop demodulation methods with high anti-noise ability and high speed for data acquisition system inelectrical impedance multi-frequency and parameter tomography. METHODS By using of "orthogonal sequential demodulation" we developed, a pair of orthogonal sinusoidal sequences was built and the inner products between these sequences and the sequence we acquired from measuring signal were calculated. Thus the real part and imaginary part of corresponding frequency component was got. RESULTS For the signal which consisted of n frequency components, when we sampled N points per period, total operations we needed after sampling finished were 2n times multiplication operations and 2n times addition operations. And the random noise rejection ratio was (N/2) 1/2 . Except for particular frequencies, the harmonic components were rejected effectively. CONCLUSION The orthogonal sequential demodulation has the advantages of both the high calculating speed and the high noise rejection ability. It also has the advantage of less resource needed these can meet the needs for data acquisition system in electrical impedance multi-frequency and parameter tomography very well.

目的 研究一种用于电阻抗多频及参数成像数字采集系统的具有高抗噪性能和快速的解调方法 .方法 提出一种新解调方法正交序列解调法 ,通过构造一对正交的正弦序列 ,计算所采序列与这两个序列的内积 ,从而得出相应频率成分的实部和虚部 .结果 在 n频率成分 ,每周期采样点为 N的情况下 ,从采样结束到解调完成共需 2 n次加法和 2 n次乘法运算 ,随机噪声可被衰减 (N/ 2 ) 1 /2 倍 .除特定频率点外 ,高次谐波被有效抑制 .结论 正交序列解调法具有系统资源占用少、计算速度快、抗噪性强的优点 ,满足电阻抗多频及参数成像数字采集系统的需要

 
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