查询词典 SNR

A new imaging system is designed by using an interline transfer CCD ICX415AL as sensor which is produced by Sony corporation and greatly improve the SNR of system.

采用SONY行间转移型面阵CCDICX415AL作为传感器件，设计了一种新型的CCD成像系统。

Based on a linear approximation and some reasonable propositions,a powerful expression for the SNR was derived.

通过对采样数据的一级近似以及合理的假设，推导出了信噪比的数学表达式。

As we known, common Loran - C receiver employs a fixed da- tum - mark in order to avoid interference caused by skywave, as the SNR is often poor at this point due to the amplitude limit of the pulse envelope, so it greatly increases time for tracking the datum - mark.

常规接收机为了防止天波干扰，将基准点设置在一个固定位置上，导致基准点处信噪比受包络限制而较低，从而大大增加了对准基准点的时间。

Due to the long distance, the target may appear as a dim point and has no feature information like shapes and textures. Furthermore, aero-optic disturbances and air turbulence make the SNR of a single image very low in the real environments. All of above make the miss distance of the missile difficult to estimate in shooting range.

针对目前靶场所面临的测量目标小、距离远、目标与背景对比度小，不具有形状信息的实际问题，提出了一种基于多帧相关技术与波门选通技术相结合的快速目标识别与跟踪方法，特别探讨了多帧相关技术中目标确定的理论判据，并综合考虑目标的尺寸因素和目标的运动特征研究了一种新的波门设定方案。

The first winner, old Willie Park Snr was presented with the Challenge Belt, made of morocco leather, embellished with a silver buckle and emblems.

当时，22位绅士打一场比赛，来争夺一根银制的球杆，结果当地商人贝利。威廉。兰代尔最终夺冠。俱乐部成立之时，就接受了1754年由利斯为球会制定的13条规则。

Simulation shows that the proposed algorithm can achieve similar performance to that of the ITS using natural binary bit mapping and has about 1dB gap with the ITS using Gray bit mapping. In the high SNR region, the complexity of the proposed bit-level ITS is about 6％~40％ of the symbol-level ITS.

仿真结果表明：在误码率性能上，该算法略次于使用自然二进制映射的基于符号的ITS算法，与使用格雷映射的基于符号的ITS算法只有1dB左右的差距；而该算法的计算量在高信噪比时只相当于基于符号的ITS算法的6％~40％。

Comparing with the other two existing algorithms, this algorithm solves the problem of noneffective to low SNR values and raises the estimation performance obviously

与现有的另外两种算法相比，不但解决了对低信噪比值无法估计的状况，使估计性能有了明显的提高，而且运算复杂度也可根据需要降低到可以接受的程度。

The pair-wise error probability analysis and simulation results show that,under the condition of high SNR,by selecting the set of antennas that observe the largest instantaneous Frobenius-2 norm of received signal vector,the same diversity gain can be achieved as the one obtained by using all the receive antennas.

成对错误概率分析和仿真结果表明：在高信噪比情况下，选择有最大范数的接收天线，系统能实现和使用全部接收天线相同的分集增益。

Kenyans wafted into a frenzy notably the Nyanza region where Barrack Obama Snr.

肯尼亚人wafted到了疯狂尤其是尼安萨地区军营奥巴马信噪比。

Simulation results have shown OFDM based systems that utilize the proposed scheme can achieve higher PSNR, especially at low SNR, compared to those that use the equal error protection OSSA and UEP OSSA.

相对於先前所提出之排序子载波选取演算法，我们提出的方法可以提供更高的传输稳定性，使得影像传输的品质获得提升。

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。