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- The requirements for external vibration is put forward by means of signal to noise ratio of dynamic balance measuring system. 根据动平衡测试系统信噪比对外界振动提出了要求。
- Then calculate the exposure corresponding to the relationships of exposure, ratio of signal to noise, contrast, and performance of resist. 同时模拟样品模型各台阶的真实成像条件，测量了各台阶所对应的抗蚀膜显影速度曲线，对显影条件作了定量分析。
- It is useful to use greater value of detection angle for increasing the backscattering coefficient and ameliorating the ratio of signal to noise. 可以利用大的探测角值提高背散射率以改善信噪比。
- The ratio of signal to noise (SNR) reaches to the maximum under an optimize strength of noise, and SNR is decreased while strong noise overwhelms signal. 当给予系统低幅值的阈下信号时，在噪声的参予下，系统对此阈下信号的检测能力增强，其间有一最优化强度的噪声可使系统的信噪比(signal-noise-ratio, SNR)最大，这就是随机共振现象(stochastic resonance, SR)。
- Zhang Jilong,Tian Erming,Wang Zhibin.Research on Laser Warning Receiver Based Coherent Detecting Principle and Ratio of Signal to Noise Analysis of its Optical Subsystem[J]. 张记龙，田二明，李晓，张悦，王志斌.;太阳辐射对相干激光告警接收机信噪比影响的理论分析[J]
- The proposed ARPS-CB-VOP method improves greatly the efficiency of searching, and also the computation load is reduced remarkably with good PRSN (peak ratio of signal to noise), which is very potential. 利用ARPS-CB-VOP法极大地提高了搜索效率,同时计算量显著减少,并且具备较好的峰值信噪比,是一种较有潜力的运动估计和补偿算法。
- This transducer is made up of cascaded piezoelectric slices.It has high performances such as long service life, good resistance to erosion, high ratio of signal to noise, and so on. 由于油井环境恶劣，针对原油液面信号测量时的高压、强腐蚀环境，设计了低频声波叠层式压电传感器，它使用寿命长，耐腐蚀，信噪比高。
- The ratio of signal to noise was enhanced.The spectrum of A-source by CCD was smoothed with wavelet multi-resolution analysis.The processing results with different wavelets in diff... 通过对CCD接收的光谱信号进行了消噪和平滑处理,解决了实时采集光谱信号在分析和数据处理上的困难,该研究充分体现了小波变换在数据处理方面的优势,在依赖于光谱信号的颜色测量领域中起重要的作用。
- Estimation of Signal to Noise Ratio of Remote Sensing Images 遥感图象信噪比的估算
- Study on the ratio of signal to noise for single photon resolution time spectrometer 单光子分辨时间谱仪信噪比的研究
- ratio of signal to noise 信噪比
- 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。
- By using this de-noise processing method, the signal to noise ratio of the stacking profile can be increased from 1.3936 to 2.1056. 信噪比分析表明，经摸拟退火独立分量分析方法去噪处理后，叠加剖面的信噪比由1.;3936提高到2
- But it can produce false images when using a single attribute to resolve geological problem because of the limitation in resolution and signal to noise ratio of seismic data. 但由于受地震资料分辨率和信噪比的限制,用一种地震属性去研究地质问题往往容易产生偏差。
- Bits transmitted by every subchannel are determined by its value of Signal to Noise Ratio(SNR), and the unwanted power caused by noise is distributed to every subchannel, so their damage is weakened. 它根据各个子信道信噪比的情况确定其传送比特数，由噪声引起的干扰功率被分散到各个子信道中，降低了其引起的干扰。
- A digital lockin amplifier including signal channel,reference channel and correlator is designed,and the improvement of signal to noise is analyzed. 以此为依据,设计了数字锁相放大器,其中包括信号通道、参考通道以及相关器的设计,并分析了采用相关检测的信噪比改善,作了相应的实验。
- In sound communication,it forms the ADC of 8 bit logarithm compression ratio,under the condition of dynamic signal range of 100 dB,the signal to noise ratio of the logarithm replacement type ADC reaches 31.2 dB. 在语音通信中构造出8位对数压缩律的ADC;在信号动态范围为100 dB的条件下;对数置换式ADC的信噪比高达31.;2 dB。
- Based on the correlation between single amino acid and cis peptide conformation,we constructed a cis peptide potetial,by which the signal to noise ratio of cis proline is raised from 5.4% to above 30%. 根据单个氨基酸与构象的关联信息 ;构造了含脯氨酸序列的顺式构象势函数 ;利用这个构象势可将顺式脯氨酸信噪比由 5.;4%25提高至 30%25以上
- limitation of signal to noise ratio 信噪比极限, 容许信噪比
- the ratio of signal intensity to noise intensity. 信号强度与噪音强度的比率。
