查询词典 signal noise ratio

After comparing the time domain approach of estimating azimuth and slowness in the f-k method with the frequency domain, it is shown that the time domain approach actually is not less accurate or efficient than the improved frequency domain approach, and in the case of signal-to-noise ratio is very low, the results obtained from the time domain approach are more reliable.

进一步对在时域中直接估算信号方位角和慢度的一种算法进行了分析，比较发现时域方法的计算速度和精度都不低于频域方法，且在某些低信噪比的情况下，前者可以给出更可靠的结果。

And then, a three-electrode system was designed instead of the original two electrode system for the head stage of the pre-amplifier, which leads to an significant increase of the signal-to-noise ratio and evident reducing of the distortion of the spikes .

针对输出信号失真，噪声偏大以及难以长时间采集的问题，将原来记录用的两电极系统改为三电极系统，并发展出声卡采集技术，基本解决了上述问题，得到了良好的效果。

All available three-component time series are used to extract the Rayleigh and Love waves. The Signal-to-Noise Ratio at different periods and the azimuth distribution of the inter-station pairs with high SNR are discussed.

通过对三个分量记录的相关运算，获得了Rayleigh波和Love波的经验格林函数，分析了其信噪比随周期的变化和高信噪比台站对的方位分布。

With microprocessor control of source and analyzer, the 8903B can perform stimulus-response measurements (such as signal-to-noise ratio and swept distortion) automatically with no additional equipment.

随着微机控制的源和分析仪，在8903B能激励响应测量（如信号噪声比和席卷失真）自动不需要额外的设备。

With microprocessor control of source and analyzer, the 8903B can perform stimulus-response measurements (such as signal-to-noise ratio and swept distortion) automatically with no additional equipment.

随着微机节制的源和剖析仪，在8903B 能激励响应测量（如信号噪声比和席卷失真）自动不需要额外的装备。

The method of separating thermal radiation and atomic radiations in space brought on high signal-to-noise ratio.

实验证实背景热辐射和元素特征辐射具有不同的空间变化规律，通过在空间上将两者分离获得较高的信噪比。

The results show that using the new algorithm, veracity of arriving time for sky-wave and ground-wave can get up to 99.6% and no less than 98.6% respectively,and signal to noise ratio can be improved 6dB relative to the standard of USCG.

结果表明，利用该算法，天地波自动识别的准确率分别可达99.6%和98.6%以上，相对USCG标准可改善信噪比6dB。

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。

Improving the signal-to-noise ratio and resolution of the seismic section is the important content in seismic data processing.

提高地震剖面的信噪比和分辨率始终是地震数据处理中研究的重要内容。

In addition, each pixel has its own amplifier for highest possible signal-to-noise ratio.

此外，每个像素都有自己的放大器最高信号的信噪比。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。