Direct downgoing wave in VSP data has strong energy and high signal-noise ratio, which favours the calculation of absorption para - meters.
VSP资料的直达下行波能量强,信噪比高,为求取吸收参数提供了有利条件。
CLIA using acridinium ester derivatives as chemiluminescent label has advantages of low background and high signal-to-noise ratio.
以吖啶酯衍生物为发光标记物的CLIA的特点是:自然本底低和信噪比高。
Then, we discuss jitter 's influence on Signal-to-Noise Ratio of data acquisition system and skew' s influence on consistency of orthogonal sampling of high speed acquisition system in detail.
随后,详细讨论了高速数据采集系统中抖动对数据采集系统信噪比的影响和偏移对正交采样一致性所产生的影响。
Our voice activity detection method is simple to be implemented and calculated and has high accuracy, which can work in the real time digital communication network with better signal-noise-ratio.
基于频谱特征的语音激活检测方法易于实现,计算量小且准确率高,适合较高信噪比的实时数字通信网络中。
The storage system has many advantages as follows: real-time processing, good imaging quality, high signal to noise ratio, and it can be used repeatedly.
实验表明存储系统具有实时处理,成像质量好,信噪比高和能反复使用等优点。
The endpoint detection based on short-time average magnitude of speech signals relative autocorrelation sequences can be detected in high accuracy under the low signal-to noise ratio.
在较低信噪比情况下,基于语音信号的短时相对自相关序列的短时平均幅度的端点检测能够获得较高的检测精度。
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。
DDS Chip AD9850 has precise output frequency, small frequency interval, and high signal to noise ratio.
DDS芯片AD 9850具有输出频率精确、频率间隔小、易于调谐、信噪比高等优点。
Application of our algorithm to real dataset shows that it can generate real coherent cube image with high resolution and signal-to-noise ratio, thus providing more abundant geological information.
实际资料处理结果表明,所提出的算法可以获得真实的、高信噪比和高分辨率的相干体图像,从而提供更丰富的各种地质信息。
The final conclusion is: edge technique has high signal to noise ratio, small statistical errors, large measuring range in high accuracy, and can prevent back ground noise in some way.
结论是:边缘探测技术具有高信噪比,很小的测量误差,较大的高精度测量范围,并对背景噪声有一定的抵抗作用。
At the same time, we combine the dynamic filter technique which chose different passband with different depth to hold the high signal-to-noise ratio.
同时融入动态滤波技术,根据不同深度选择了不同的通带范围,有效地保证了信号的信噪比。
The signal to noise ratio in the deep space communication channel is so low that high quality channel coding scheme is essential for deep space comnunication systems.
由于深空信道的极低的信噪比,具有高增益的信道编码技术是深空遥测系统必不可少的环节。
Under the impact of a large hammer, a high signal noise ratio of the force and velocity can be acquired in the high-strain dynamic testing.
高应变动力试桩法采用数吨重锤锤击,同时实测了桩顶的力信号和速度信号,具有很高的信噪比。
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。
In accordance with the features of low resolution, short processing time and low signal noise ratio of the high frame TV pixels, authors investigated its locating and tracking algorithm.
针对高帧频电视象元分辨率低、处理时间短、信噪比低的特点,对其定位跟踪算法进行了研究。
By this filter, the shift, scale and rotation invariant optical pattern recognition was realized with a high signal noise ratio of correlation output.
用这种滤波器实现了平移、旋转、尺度三重不变光学图像识别,且有较高的信噪比。
The results of field test showed that adopting cascade geophone pattern can be results of good continuation of phase, enhanced amplitude and high signal-to-noise ratio on the records.
实际野外试验结果表明,采用串联检波器串的方式所得记录的相位连续性好、振幅增强,信噪比较高。
The utmost high value of signal noise ratio can significantly improve the image quality.
最大限度地提高信噪比能有效地改善图像质量。
The holographic volume gratings and reflection holograms having high diffraction efficiencies and signal noise ratio are also fabricated in experiment.
实验中制作出了高衍射效率和信噪比的体积全息光栅和反射全息图。
Its major features include synchronous array remote surveys for different geographic coordinates points with high signal to noise ratio, high resolution and good effectiveness.
同步阵列遥测不同地理坐标点的电磁场,具有高信噪比、高分辨率和高效率;
CLIA using acridinium ester derivatives as chemiluminescent label has advantages of low background, high signal-to-noise ratio, no need of catalyst and simple luminescence system.
以吖啶酯衍生物为发光标记物的CLIA的特点是:标记简单、标记物稳定、不需要催化剂、自然本底低、受外界干扰因素少、信噪比高、发光体系简单等。
High signal to noise ratio is the basic one in the three factors of high resolution exploration, so without it the high resolution and high fidelity can't exist.
高分辨率勘探三要素中,高信噪比是基础,没有高信噪比就没有高分辨率和高保真度。
Results the relative signal-to-noise ratio of the pathologic voice on high frequency differed significantly from that of the normal voice.
结果病态嗓音和正常嗓音的频谱高端相对信噪比存在显著差异。
High field strength MR imaging offers better signal-to-noise ratio (SNR), which can shorten imaging time, but a speedier exam comes at the price of several technical difficulties. Dr.
高场磁共振具有更高的信噪比,可以缩短检查时间,但是更快的检查面临几项技术难题。
It has been proved that this method of migration has a lot of merits - high signal to noise ratio, no arc noise of migration and the high speed of calculation.
实线证明这种偏移具有讯噪比高、无偏移弧噪声和运算速度高等特点。
So, complex programmable logic device can improve the system's high-frequency performance and signal to noise ratio.
结论采用复杂可编程逻辑器件替代通用数字集成器件,可提高系统的高频率特性,并提高信号源的信噪比。
The performance of non-regenerative relaying is superior to that of regenerative relaying at low average signal noise ratio (SNR), but the performance of the both is similar at high average SNR.
比较了非再生中继性能在低信噪比时优于再生中继,在高信噪比时两者性能相似。
The infrared gas sensor contains an open-path gas chamber, a high SNR (signal to noise ratio) infrared detector, and an electrical modulated MEMS infrared emitter.
红外气体传感器采用开放式气室,选用高信噪比的探测器和电调制的MEMS红外光源。
The bit error probability is estimated by the minimum average Euclidean distance. Through simulation, it is shown that the estimation is usually very accurate at high signal-to-noise ratio.
采用平均最小自由欧氏距离估计误比特率,得到误比特率的封闭式表示,通过计算机模拟,在高信噪比情况下,这种估计方法与实际情况非常接近。
The bit error probability is estimated by the minimum average Euclidean distance. Through simulation, it is shown that the estimation is usually very accurate at high signal-to-noise ratio.
采用平均最小自由欧氏距离估计误比特率,得到误比特率的封闭式表示,通过计算机模拟,在高信噪比情况下,这种估计方法与实际情况非常接近。
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