snr

snr

1. Member of the board of SNR Schouten Global, the holding company of Schouten &Nelissen Group (SNG), leading European Institute on training and organisation development.

- 思腾集团副董事长。思腾集团为欧洲领先的培训及组织发展机构。

2. An effective radiometric calibration method which is useful for the FourierTransform Imaging Spectrometer data with low SNR is proposed. 5.

4、针对低信噪比干涉数据,提出一种行之有效的干涉光谱辐射定标方法;

3. The AI in group CAF was 24.6%,which was significantly higher than that in group SNR and PAF(P<0.01).

CAF组左房心肌细胞AI为24.6%±9.1%,明显高于SNR组和PAF组(P<0.01)。

4. Essentially the DQE is equal to the square of the ratio of the imager's output SNR to its input SNR.

DQE本质上是等于成像器输出信噪比的平方和输入信噪比SNR的平方的比值。

5. The experiment results prove that the performance of the method is insensitive to signal-to-noise ratio (SNR).

Monte carlo实验表明,这种特征信号检测器的性能对信噪比不敏感,可以在极低信噪比下检测出微弱信号。

6. Sinc data interpolation method is more suitable for those systems which have a stringent demand for low SNR environment and acquisition time.

Sinc内插算法更适合在低信噪比下工作和对捕获时间有严格要求的系统。

7. The ADC, quality index and SNR had not significant difference among DWI with TR= 4000,TR= 6000 and TR=8000(P>0. 05).

TR值逐渐增大时,图像的质量指数与信噪比以及肝脏ADC值变化均很小(P>0.05)。

8. "There is still a possibility of Arjen moving to Munich," Robben snr told Kicker Magazine.

“罗本现在仍然有很大可能转会拜仁,”罗本的经纪人对踢球者杂志说。

9. Through signal processing, the necessity of moving average filter for SNR is demonstrated, and the method for characterizing leak signal with interzone signal energy is proposed.

不论从社会和经济的角度、还是从环保和能源节约的角度来考虑,管道泄漏的监测和定位都是非常必要的。管道泄漏检测技术发展至今,已经涌现出许多方法。

10. However, Robben snr has now revealed that he is keeping in contact with Bayern general manager Uli Hoeness.

不过现在他又表示正在与拜仁经理霍内斯进行着磋商。

11. Speech enhancement as the front-end processing module is used to improve the Signal-to-Noise Ratio (SNR) of the input signal for recognition in the latter stages.

为了让语音识别系统在安静的环境和有噪声的环境中都获得令人满意的工作性能,研究了一个将语音增强器和语音识别器级连起来的系统。

12. To extract target feature of infrared image with low SNR, a new scheme based on combination of wavelet decomposition and energy feature is proposed in this paper.

为提取低信噪比红外雷场图象中的目标,采取了一种基于小波分解和能量特征的目标提取方法。

13. Chelsea are believed to be ready to offer Robben an improved five-year deal to keep him in West London and Robben Snr does not expect any problems with the new contract.

人们相信切尔西预备提供给鲁本一份已经证实长达五年的合同来留住他,而对于这份新合同,老鲁本也不希望再旁生枝节。

14. This article introduces the principle and image reconstruction algorithm and SNR of sensitivity encoding technology in magnetic resonance imaging.

介绍磁共振成像中的敏感性编码技术的原理、图像重建算法及图像的信噪比。

15. Many algorithms th at have been proposed require high SNR approximately 10 db.

以往文献中可以参考到的算法一般要求信噪比比较高,一般要求在10db以上。

16. When the SNR is little, the performance of CSAR is no better than the purely AR algorithms .

但CSAR算法在信噪比低的情况下,仍有AR模型分辨率降低明显的缺点。

17. However, the joint move shows little signs of progressing and Robben snr is now just looking for a move to be sealed on Tuesday.

但是目前为止谈判的进展依旧十分缓慢,老罗本目前希望能够在周二完成这笔交易。

18. Federici Snr continued: "To be part of such a big club would be a great opportunity, but he needs to play.

但有时成为豪门的一员并不代表着一切,毕竟要想撼动雷纳的主力地位会相当困难。

19. For example, signal-to-noise( SNR) performance degrades as a result of reduced signal swing.

例如,信噪比(nr)于信号摆幅的减少而降低。

20. For example, signal-to-noise (SNR) performance degrades as a result of reduced signal swing.

例如,信噪比(SNR)由于信号摆幅的减少而降低。

21. Signal to Noise Ratio (SNR): The ratio of the signal to the random noise in a set of data.

信噪比:平均到一个数据单元的信号与随机噪声的比值。

22. POSITION TITLE: SNR HR MANAGER, ASIA (FOR AN IC DESIGN US MNC) - SHANGHAIABOUT THE OUR CLIENT : A R&D CENTER FOC...... ...

公司名称:上海瀚纳仕人才管理咨询有限公司工作地点:上海市发布时间:2009-5-21

23. Overall scanning time, SNR, CNR and VNR were compared respecitvely by changing the parameters of reduce factor(R), matrix and slice thickness.

分别改变缩减因子(reduce factor, R)、矩阵和层厚等参数,分析不同参数条件下扫描时间和图像质量的变化。

24. This paper analyzes the characteristic of HFC upstream channel, proposes that using S-CDMA can obtain stable transmission on the condition of very low SNR.

分析了HFC上行信道的特点,提出使用S-CDMA技术可以在极低的信噪比下获得稳固的传输特性。

25. The improved tester is used to measure the SNR of the image intensifiers.The results are given and analyzed.

利用研制的测试仪对多种型号的像增强器的信噪比进行了测试 ,给出并分析了测试结果。

26. For the measures of jitter, shimmer, HNR and SNR, there was no significant difference between man and women.

参数jitter、shimmer、HNR和SNR的检测值在男女性之间无显著性差异。

27. Moreover, the SNR threshold for correctly identifying type parameter is so high so that it is infeasible in complex environment.

另外,鉴别散射中心类型要求非常高的信噪比,在复杂环境下难以实现。

28. Meanwhile, the approximate equation of pairwise probability of error was shown with SNR floor anti basic differential expression.

同时,借助SNR极限和基本差分表达式,给出差分调制下成对误差概率的近似表达式。

29. So, an alternative explanation is that the expanding debris cloud is sweeping up clumpy interstellar material, accounting for the odd shape of SNR 0104.

因此,另一个解释就是,膨胀着的残骸云正在清扫成块的星际物质,从而塑造了SNR 0104那奇特的外形。

30. Figure 5.36 shows the relationship between sampling clock jitter and SNR previously presented.

图5.36显示了采样时钟抖动和信噪比之间的关系。

31. The broad, multiwavelength view spans about 1,800 light-years at the estimated distance of SNR 0104.

在SNR 0104的估计距离上,这幅多波长大视场图片的视野横跨大约1,800光年。

32. The self-adaptively selected normalized value can produce the minimal error of TOA estimation with a different signal to noise ratio(SNR).

在不同的信噪比下,自适应地选择归一化值,能使TOA的估计误差最小.

33. He was part of the board of Schouten &Nelissen Group till July 2007 when he became member of the board of SNR Schouten Global.

在他于2007年7月成为思腾国际的董事会成员之前,他是思腾集团董事会成员之一。

34. In low Signal to Noise Ratio (SNR) range, the close-form expression of the optimal BFV is derived.

在低信噪比区域,求出了最优波束成形向量的闭合解;

35. Based on cyclic diagonal codes,an improved design of unitary space-time codes(USTC) at low SNR is proposed.

在低信噪比情况下,提出了一种基于循环对角码的改进的酉空时码设计。

36. The proposed method may estimate Doppler rate robustly in the case of low SNR.

在信噪比较低的条件下此方法可以稳健地估计多普勒调频率。

37. The stellar detection limit of one APS is 6.31 visual magnitude when the threshold of SNR is 5.

在信噪比阈值为5的情况下,得到某类APS的探测极限为6.31星等。

38. Transmitted the same power,the way of sub-carrier selection have even better SNR and lower BER than using all sub-carrier.

在发射端采用相同的功率情况下,子载波选择的方法比采用全部载波传输的方法有更高的信噪比和更低的误码率。

39. Under the environments of high signal-to-noise ratio (SNR) and large steering error, SMI algorithm and the projection method are invalid.

在有用信号的信噪比较高且出现较大的指向误差时,SMI和投影方法失效。

40. In addition, a SAR interferogram noise reduction algorithm based on the SNR threshold is proposed with detailed flow graph analysis.

在此滤波方法的基础上, 进一步提出了基于信噪比门限判断的干涉图两级处理滤波法,并对其处理流程做了详细的讨论。

41. In mmW radar system, SNR affect heavily on radar range.

在毫米波雷达系统中,信噪比对作用距离的影响很大。

42. In focal plane array,SNR is a significant parameter in system design.

在焦平面系统中,信噪比是设计的一项重要指标。

43. The signal to noise ratio (SNR) of ultrasonic pulse-echo nondestructive testing was usually low because of the disturbance from electronic and structural noises.

在脉冲式超声无损检测中,超声脉冲反射回波信号常受到电子噪声和结构噪声的干扰,信噪比往往较低。

44. In the link level, the relationship of efficient link data rate and received SNR is analyzed with research on H-ARQ and AMC.

在链路层面,分析采用H-ARQ和AMC之后的有效链路数据速率与接收信噪比的对应关系。

45. The reference noise impacts the converter’s SNR and THD at higher ADC input voltages (Figure 2).

基准电压噪声影响输入电压较高的ADC转换器的SNR和THD(图2)。

46. Experiments show that this algorithm can achieve fairly good performance in different kind of noise and various SNR.

大量实验证明该算法在各种噪音,不同信噪比的条件下都取得了非常好的效果。

47. The software will try to fit a stellar profile any time it finds a pixel with a SNR above the limit set here.

如果软件发现一个像素的信噪比高于这个值,软件将试图将其与一颗星体做对应。

48. It affects the SNR (signal-to-noise ratio) and the THD (total harmonic distortion) of a conversion.

它影响转换的SNR(信噪比)和THD(总谐波失真)。

49. It has a signal-to-noise ratio (SNR) of at least 75 dB.

它有一个信号杂讯比(信噪比)的至少有75分贝。

50. The result of experiment shows that the arithmetic can raise the SNR and quickly segment the image and efficaciously detect the target.

实践证明该技术能有效提高图像的信噪比,从而达到有效分割和快速检测小目标的目的。

51. Output power of 3.6 dBm and signal-noise-ratio (SNR) larger than 35 dB at 1550.225 nm, and linewidth less than 500 Hz are achieved for this laser.

实验得到在1550.225nm处输出功率约3.6dBm,信噪比(SNR)>35dB的单纵模输出光,且测得线宽小于500Hz.

52. The best experimental result was 31.65dB(1 dit/pixel). The reconstructed im-age is very good in SNR and perception.

实验结果最高可达31.65 dB(1bit/pixel),恢复的图象主客观效果良好。

53. Better sensitivity of the readout system of the memory, more SNR and higher utilizing efficiency of the laser energy can also be achieved by these optimizations.

实验结果有助于优化波导存储器信息符的密度和大小,有利于提高波导存储器的能量利用率、读出灵敏度和信噪比(SNR)。

54. Experiment results indicate that the compression ratio of the above method can be stably above20and Peak-Value SNR(Signal-Noise-Ratio)can be above30db.

实验结果表明该算法产生的压缩比能够稳定在20以上 ,峰值信噪比都在30db以上。

55. The simulation results show that compared with EMD threshold de-noising,the proposed algorithm can achieve higher SNR and be stable.

实验结果表明,与EMD阈值消噪方法相比,该算法能获得更高的信噪比,并具有较好的稳定性。

56. The experiments show that the method can fleetly and reliably detect the small target with low SNR, which has achieved the demand of high performance.

实验结果表明:该方法可以快速、可靠的检测出极低信噪比下的小目标,满足了系统性能指标。

57. Experimental results indicate that the program can sharpen image quickly and accurately, the SNR of image is also improved.

实验表明该梯度锐化算法程序可以快速、准确地对图像进行锐化处理,从而提高图像的信噪比。

58. Simulation results show that it is a high power to detect the small dim target with SNR less than 2 in single frame by using the algorithm.

实验证明,该算法对于信噪比小于2的弱小目标有较强的单帧检测能力。

59. Computer simulation shows that this algorithm can get rapid PN code acquisition in very low SNR and is easy to be realized in FPGA and DSPs.

实验证明,这种捕获算法易于采用可编程门阵列和数字信号处理器相结合的方式实现,可以在极低的信噪比下实现扩频PN码的快速捕获。

60. Track before Detect technology for dim small moving targets in low SNR image sequences was surveyed.

对低信噪比下图像序列运动小目标先跟踪后检测技术进行了较为系统地研究。

61. The image qulitity was evaluated by marks, as well as the signal-to-noise ratios (SNR) and contrast-to-noise ratio (CNR) of the two methods.

对图像质量进行评分,计算成像信噪比(SNR)、对比嗓声比(CNR)及扫描时间。

62. Sue Williams will join Dr Kevin Latham, Snr Lecturer at SOAS, on stage for discussion following the film.

导演将参加电影欣赏暨导演对谈会。

63. The value of this features extracted from each window-level segment are compared to certain thresholds, which are also adapted to the SNR.

将从音频片段提取的特征参数值与门限值相比较进行语音/音乐的分类,其中的门限值与一定的信噪比相适应。

64. Increase transmitter radio frequency amplitude propriety, will advance SNR in the front of the receiver, and thereby relatively improve system's anti-jamming ability.

将发射机(射)频输出幅度适当调高,将会使接收机前端的信噪比得以提高,从而相对提高整个系统抗干扰的能力。

65. The quality index of DWI with 2mm -thickness was bigger than 5mm-thickness(P<0. 01), but SNR of DWI with 2mm-thickness was significantly smaller.

层厚为2mm时,图像的质量指数较层厚为5mm高,信噪比则较后者低(P值<0.01)。

66. Conventional methods cannot work well in the condition of low SNR or at a variable background noise level.

常规的检测算法在低信噪比尤其在背景噪声能量可变的环境下不能有效工作。

67. Then cumulant invariants are used to classify bandlimited MPSK signals.The method can work with lower SNR.

并利用此基带序列的高阶累积量构造分类特征不变量,在宽信噪比范围内实现了带限MPSK信号的调制分类。

68. The paper analyses the signal processing with emphasis on Signal to Noise Ratio (SNR) in output of correlator and SNR in signal power spectral density.

并对算法处理中相关器输出中的信噪比(SNR)和功率谱密度中的SNR进行了重点分析。

69. SNR Improvement of Laser Warning System Based on Hadamard Transform[J].

引用该论文 王建宏,王志斌,张记龙,王明.

70. When asked about the link with Bayern Munich, Robben Snr said: "Nonsense.

当被问及与拜仁慕尼黑有联系时,老鲁本说:“一派胡言。

71. The main fac tors that affect voice quality includes delay,jit ter,pack age -loss,signal edge -cut,channel SNR,signal level and the size of voice package.

影响语音质量的主要因素包括时延及抖动、丢包、信号沿切割、通道信噪比、信号电平和语音包大小等。

72. The fast ignitor scheme in inertial confined fusion requires ultrashort laser pulse with high signal-to-noise ratio (SNR).

惯性约束核聚变快点火实验, 要求拍瓦终端输出再压缩的高信噪比超短激光脉冲。

73. Finding out the major concentrated frequency band of tool-wear information can enhance SNR(Signal Noise Ratio) and improve tool-wear degree recognition result.

找出刀具磨损信息在可听阈内的主要集中频段能提高切削声信号的信噪比,改善识别结果。

74. In order to improve the detecting ability and detection probability of the laser ranger,the Signal Noise Ratio(SNR) of the return signal is to be increased.

挖掘激光测距系统的探测能力、提高探测概率的最终途径是提高激光回波信号的信噪比。

75. Therefore, the system can select an appropriate modulation and coding scheme (MCS) to transmit data based on some SNR.

换句话而言,系统可以根据讯杂比来选择合适的调变和合适的编码方式来传送资料。

76. And at high SNR, the upper and lower bounds on the ergodic capacity are close to its true value.

接收信噪比较大时,平均信道容量上下限基本接近其实际值。

77. VAD algorithm based on RASTA-filter multi-dimensional speech feature and Support Vector Machine is presented.It applies to the speech detection under the low SNR conditions.

提出了一种基于RASTA滤波技术的多维语音特征和支持向量机分类的VAD算法,适用于低信噪比情况下的话音检测。

78. It puts forward a radar once video information processing technique: “distance compress”, to effectively improve SNR, and perform signal digitization and pretreatment.

提出了采用“距离压缩”的方法,以提高一次视频信息的信噪比;

79. As a result, The SNR is improved and the feature of magnetic signals (gradient) is desirably extracted.

提高了信噪比,准确有效地提取了磁记忆信号中的特征量(梯度)。

80. This paper focuses on the serious problems of the residual noise and the speech aberration brought by the MMSE method for speech enhancement when SNR is low.

摘要 针对MMSE语音增强算法低信噪比时产生较大的语音畸变的缺点,提出了一种结合人耳听觉掩蔽效应的MMSE语音增强算法。

英语宝典
考试词汇表