查询词典 SNR

By ultrasonic echo noise-reduction testing on CS-1-5 test block's flat bottom hole and certain helicopter totors' fatigue flaw, it is shown that ultrasonic signal SNR is increased remarkably.

经对CS-1-5试块的Φ2平底孔超声反射回波和某型直升机旋翼大梁疲劳裂纹超声反射回波的降噪试验，试验结果表明，处理后的超声信号信噪比显著增强。

Wright snr told bbc sport : i am just so chuffed .

老赖特告诉《 bbc体育》：我太开心了。

For this class of estimators, several SNR estimation algorithms have been investigated.

同时对于这类估计方法，我们对几种信噪比估计算法进行了研究。

The return signal from propeller aircraft and jet plane in different SNR is simulated based on the statistic model of the disturbed clutter,a...

根据给定的目标建模算法和干扰反射杂波模型，模拟了不同信杂比下螺旋桨飞机和喷气式飞机的雷达回波，仿真结果表明，这两种目标具有不同的频谱结构，证明了给出的模型是有效的，为雷达系统提供了实用的回波仿真信号。

The return signal from propeller aircraft and jet plane in different SNR is simulated based on the statistic model of the disturbed clutter, and the calculated results are analyzed and compared. The results show that the model presented is valid and provides a useful simulated signal for the radar system.

根据给定的目标建模算法和干扰反射杂波模型，模拟了不同信杂比下螺旋桨飞机和喷气式飞机的雷达回波，仿真结果表明，这两种目标具有不同的频谱结构，证明了给出的模型是有效的，为雷达系统提供了实用的回波仿真信号。

The calculation result shows that it is better to select the waveband of 0.5μm～0.9μm than that of 0.5μm～0.8μm considering entrance-pupil radiation intensity and SNR of the remote sensor.

计算结果表明：遥感器光谱波段选择0.5μm～0.9μm波段，在入瞳辐射亮度和信噪比等方面优于选择0.5μm～0.8μm波段。

The linewidth of laser is less than 10 kHz, measured by the delayed self-heterodyne method with 10 km monomode fiber. SNR is about 56 dB.

采用10km单模光纤延迟线进行了延迟自外差线宽测量，得到光纤激光器的3dB线宽小于10kHz。

Increasing the input noise may increase the signal-to-noise ratio of the output response V(t within the element's parameter region indicating that the periodic components of V increase as the input noise increases. The relationsip between the variation of the SNR of the V curve and the noise is similar to the that of the resonance.

结果表明：在一定的条件下，增大输入噪声的值不仅不降低输出响应信噪比；反而迅速增加输出响应的信噪比，使输出响应中周期信号的分量反而加强，而且输出响应的信噪比对于输入噪声的变化具有&共振&形状的曲线。

Simulations show the effectiveness and feasibility to reduce the loss of surds and to enhance the SNR (Signal-to-noise Ratio).

该方法在很大程度上抑制了噪声，又减少了语音段清音的损失，提高了信噪比。仿真结果表明了该方法的可行性和有效性。

We design an efficient measurement to estimate the skywave delays, and get the arrival time of groundwave and skywave separately in poor SNR.

该文设计出一种估计天波延迟的高效处理方法，在低信噪比条件下分离出了地波和天波的到达时刻。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。