查询词典 signal noise ratio

Terahertz radiation, which is a kind of electromagnetic wave between the infrared and microwave bands, belongs to far-infrared band. THz time-domain spectroscopy which developed in the 1980\'s has the advantages of high signal to noise ratio, obtaining the absorption coefficient and refractive index of the sample at one time , low energy that can not distroy the biology organise and so on.

太赫兹辐射是指频率位于微波和红外光之间的电磁波，属于远红外波段；20世纪80年代发展起来的THz时域光谱技术，具有信噪比高，能同时获得样品的吸收系数和折射率，能量低，不会对生物组织造成破坏等优点，在材料和生物学等领域得到了迅速的发展和广泛的应用。

Use Wide Aperture to improve the signal-to-noise ratio and spatial resolution for better penetration in deeper structures.

使用宽孔径比，提高空间分辨率为更好地渗透在更深的结构噪声信号对。

Analysis for signal-to-noise ratio of large aperture static imaging spectroscopy［J］.

大孔径静态干涉成像光谱仪的信噪比分析［J］。

An approximate formula of the signal-to-noise ratio is obtained based on the expression of the average error power.

在给出误差平均功率表达式的基础上，推导出信噪比的近似计算公式。

The explicit expressions of the first two moments and signal-to-noise ratio are obtained when we introduce the asymmetric dichotomous noises to the system.

当采用非对称的分段噪声时，可以得到系统响应的一、二阶矩和信噪比的精确表达式。

Performance analysis and plenty of numerical simulation shows that the robust multiuser detector and its adaptive version have excellent performance of output signal-to-interference-plus-noise ratio, bit error rate, asymptotic multiuser efficiency and robustness even existing stronger MAI.

理论分析和仿真实验表明，即使在较强的多址干扰条件下，稳健的盲线性多用户检测及其自适应实现展示了优异的误码率、信干噪比以及渐进多用户有效性性能，对特征波形失配具有较强的稳健性，且自适应算法能快速收敛至稳态解。

The high signal-to-noise ratio and large dynamic range measurement of light signal returned from long distance is realized.

实现了对远距离弱光信号的高信噪比、大动态范围测量。

The wind profile radar received signal processed by the method can significantly improve the signal-to-noise ratio through the actual measurements.

经过实测，经此方法处理的风廓线雷达接收信号能够显著的改善信噪比。

The adaptive processing method for diesel vibration signal is proposed, which can improve signal-to-noise ratio.

提出了用于柴油机振动信号的自适应处理方法，可进一步提高信噪比。

And can improve signal-to-noise ratio and resolution of reflecting signal from stratum sections.

提高了地层剖面反射信号的信噪比和分辨率。

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％。