查询词典 signal noise ratio

The size of the pinhole is selected to obtain sufficient signal-to-noise ratio.

选择合适的针孔大小可使得接收信号有足够的信噪比。

In fact, it is a parameter optimization problem with signal-to-noise ratio gain as an objective function under the condition λ1 - const (i.e., the system response speed is prescript).

实际上，它是在系统响应速度事先给定的条件下，以信噪比增益为目标函数的一个条件优化问题。

Completion of a given sequence to quantify and calculate the quantization error signal to noise ratio.

详细说明：完成给定序列的量化，并计算量化误差的信噪比。

In this paper, based on the comparison between CMOS and CCD image sensor and according to the principles of photometry and radiometry, the imaging range formula of CMOS image sensor in space-based system for space targets is derived with detail analysis, considering the metric of Signal-to-Noise Ratio and taking deep space as background.

在对CMOS和CCD传感器进行对比的基础上，从信噪比的角度出发，以深空作为背景，根据光度学和辐射度学的基本原理，对基于CMOS图像传感器的天基空间目标监测系统的成像距离进行了详细分析和公式推导，并以STAR-1000 CMOS图像传感器为例验证了理论模型和计算公式的正确性，最后对进一步提高CMOS图像传感器成像距离的方法进行了简要分析。

Analytical variance of the estimation declines linearly by increasing the bit signal-to-noise ratio for the proposed channel estimator.

理论分析结果表明，该算法的对数估计方差随比特信噪比的增加而线性减小。

Multicollinearity ; condition index ; variance decomposition proportion ; signal-to-noise ratio ; partial ridge estimator

复共线性；条件指标；方差分解比；信噪比；部分岭估计

Experimental results showed that, compared with traditional wavelet-based image compression algorithms, this algorithm could alleviate the blur of image edge and improve the recognizability of the compressed images and peak signal to-noise ratio.

实验结果表明，和基于小波的传统编码方法相比，在低比特率下，该算法能减少图像的边缘模糊，提高压缩图像的识别度和峰值信噪比。

In addition, with the use of the parameters such as entropy, cross entropy, mutual information, root mean square error and peak to peak signal to noise ratio, the performance of the fusion scheme is evaluated and analyzed.

此外，利用熵、交叉熵、互信息、均方根误差、峰值信噪比等参量，对该融合方法的融合性能进行了评价与分析。

The experimental results show that the proposed method can obtain good performance in terms of both objective evaluation criteria such as root-mean-square error,signal-to-noise ratio,mean error and visual subjective evaluation criteria.

实验结果表明，无论是依据均方根误差、信噪比、灰度平均误差等客观评价标准，还是视觉的主观评价，所提出的融合方法都能取得较好的性能。

One embodiment estimates a transmitted symbol from a received sample as a function of Signal-to-Interference and Noise Ratio of the received sample.

一个实施例根据接收采样的信号对干扰和噪声比的函数从接收采样中估计出发射的码元。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。