英语释义

• the ratio of signal intensity to noise intensity

片语

structural return loss结构回路损耗；匹配连接时的衰耗；信噪比

grey signal-to-noise ratio灰色信噪比

Signal-to-Noise信噪比

peak signal-to-noise ratio峰值信噪比

carrier signal-to-noise ratio载波信噪比

digital signal-to-noise ratio数字信噪比

signal-to-noise ratio snr信噪比

input signal-to-noise ratio输入信噪比

Visual Signal-to-Noise Ratio视觉信噪比

improved signal-to-noise ratio信噪比改善

Signal-to-Noise Ratio Estimator信噪比估计器

英汉例句

• The results show that while introducing smart antenna technology in wireless telemetry systems, it can efficiently raise signal-to-noise ratio and improve bit error rate performance of the system.

  结果表明，在无线遥测系统中采用智能天线技术，能够有效地提高系统的信噪比，改善系统的误码性能。

• Stackingimproved the signal-to-noise ratio and enabled the researchers to moreclearly track the path and behaviour of each unique signal as it passedthrough the lunar interior.

  叠加提高了信号的信噪比，使研究人员能够更清楚地跟蹤每一个独特的信号在月球内部传播的路径和行为。

• The experiment results show that the new technique outperforms the conventional spectral subtraction methods in spectrogram characteristic, output signal-to-noise ratio (SNR) and aural performance.

  实验结果表明，新算法比传统谱相减算法有更优的语谱特性、更高的输出信噪比和更好的听觉性能。

• For MPSK signals, the signal-to-noise ratio (SNR) estimation can be directly transformed into the signal module estimation.

  对于MPSK信号而言，信噪比的估计可以直接转化成对信号模的估计问题。

• The theoretical formula of output signal-to-noise ratio involving quantization noise and round-off noise are derived.

  推导了包括量化噪声和截断噪声的输出信噪比的理论公式。

• The time frequency difference between grain noise and defect signal provide a possibility for enhancement of signal-to-noise ratio (SNR) in ultrasonic testing.

  晶粒噪声和缺陷信号的时频特征的差异，为提高超声检测的信噪比提供了可能。

• In deep space communications, one of the problems is how to transmit message credibly in low signal-to-noise ratio (SNR) channel environment.

  深空通信中面临的问题之一就是如何在低信噪比信道环境下可靠地传递信息。

• A new digital modulation recognition method based on instantaneous information is proposed for the application under the low signal-to-noise ratio (SNR).

  针对数字调制识别在低信噪比下的应用，提出一种新的基于瞬时信息的调制识别算法。

• Conventional methods which stimulate seismic records cannot increase frequency components and improve signal-to-noise ratio at the same time.

  常规方法产生的地震记录难以在提高记录频率成分的同时提高记录的信噪比。

• Traditional short-term autocorrelation-based adaptive line spectrum enhancer (SABALSE) becomes low in suppressing Gaussian noise when input signal-to-noise ratio becomes low.

  通常的基于短时自相关的自适应线谱增强器（SABALSE）主要缺点是：输入信噪比低时，抑制高斯噪声性能差。

• An effective method has not been developed yet of quantitatively estimate signal-to-noise ratio of seismic record.

  如何定量地估算地震记录的信噪比，至今尚未见到一种行之有效的方法。

• It was indicated that this method could significantly improve the signal-to-noise ratio (SNR) and efficiently filter the noise peaks, while the peak position and height remained unchanged.

  仿真信号和冬虫夏草的毛细管电泳信号滤噪结果表明，该法在保持峰位与峰高不变的情况下可显着提高信噪比，有效滤除噪声峰。

• The design of signal-to-noise ratio in the circuit was raised to make measurement more stable and reliable.

  驱动系统的设计从硬件角度提高了回波信号的信噪比和稳定性。

• By means of the principle of correlation analysis, this paper introduces an approximate method for estimating signal-to-noise ratio on random noise background.

  本文利用相关分析的原理，提出一种在随机噪音的背景上估算信噪比的近似方法。

• It has a signal-to-noise ratio (SNR) of at least 75 dB.

  它有一个信号杂讯比(信噪比)的至少有75分贝。

• Successful seismic inversion usually requires a high signal-to-noise ratio and a large bandwidth.

  成功的地震反演通常需要数据具有较高的信噪比和较宽的带宽。

• This article provides the signal-to-noise ratio module of the range-gating photon counting system and discusses the synchronization between the laser echo wave and the detector gate.

  本文给出了距离选通光子计数系统的信噪比模型并讨论了激光回波与探测器选通门之间的同步问题。

• The experimental results demonstrate that the method can give a better estimation of poles of damped exponential signals even in a lower signal-to-noise ratio (SNR) situation.

  通过实验表明，该方法较其它方法简单有效，即使在较低信噪比的情况下，也能对极点作出较好的估计。

• A method for reducing noise based on high-order spectra was presented by which the signal-to-noise ratio (SNR) could be improved significantly and the flaw characteristic information could stand out.

  提出了基于高阶谱的减噪方法，能有效提高回波信号的信噪比，减弱检测噪声对于缺陷散射特征的影响，从而突出缺陷特征信息。

• In trying to record the brain's electrical activity off the scalp, he adds, 「people assumed that the signal-to-noise ratio and the information content of these signals were limited.」

  在尝试记录头皮以下的大脑电活动时，他补充说，「人们想当然的认为信号的信噪比和这些信号的信息内容是有限的。」

• Because of complex fracture system, faulted structures, and rich igneous rocks, SXF area is a representative low signal-to-noise ratio seismic data region in Subei basin.

  苏北盆地的SXF地区是典型的低信噪比地震资料地区，断裂系统复杂，构造破碎，圈闭面积小，火成巖发育。