输出信噪比的英文

• output signal-noise ratio

• "输出"英文翻译    export
• "信"英文翻译    letter; mail
• "噪"英文翻译    chirp
• "比"英文翻译    2
• "信噪比" 英文翻译 :    c/n signal-to-noise ratio; desired-signal to undesired signal ratio; message-to-noise ratio; noise-signal ratio; psnr; ratio, signal to noise (snr); s/n rate; s/n signal-to-noise radio; s/n: signal-to-noise ratio; scr signal to clutter ratio; signal noise ratio; signal to jamming ratio; signal to mask ratio; signal to noise performance; signal to noise ration; signal-to-interference ratio; signal-to-noise performance; signal-to-noise ratio (snr); signal-to-noise ratio snr s/n; signal-to-noise ration ，snr; signal/noise ration; sn signa to noise atio; snr signal to noise ratio; snr(signal to noise ratio); snr: signal-to-noise ratio; snrsignaltonoiseratio; speech noise ratio; speech to noise ratio; speech-noise ratio
• "等效信噪比" 英文翻译 :    equivalent signal to noise ratio
• "低信噪比" 英文翻译 :    rsn
• "放音信噪比" 英文翻译 :    signal-to-noise for playback
• "峰值信噪比" 英文翻译 :    peak signal-to-noise ratio; pnsr; psnr peak signal to noise ratio; y-psnr
• "功率信噪比" 英文翻译 :    power signal-to-noise ratio
• "光信噪比" 英文翻译 :    optical signal to noise ratio; osnr optical signal noise ratio; snro signal to noise ratio for optics
• "极限信噪比" 英文翻译 :    ultimate signal to noise ratio
• "加权信噪比" 英文翻译 :    weighted signal to noise ratio
• "录还信噪比" 英文翻译 :    signal-to-noise ratio for record-playback channel
• "目标信噪比" 英文翻译 :    sirtarget; target-clutter ratio
• "线路信噪比" 英文翻译 :    signal noise ratio of line
• "信噪比改善" 英文翻译 :    signal-noise enhancement; signal-to-noise improvements
• "信噪比性能" 英文翻译 :    signal-to-noise performance
• "言语信噪比" 英文翻译 :    signal-to-noise ratio for speech
• "载波信噪比" 英文翻译 :    carrier signal to noise ratio; carrier signal-to-noise ratio; carrier to noise ratio
• "最大信噪比" 英文翻译 :    max snr; maximum signal to noise ratio; maximum signal-to-noise ration
• "最佳信噪比" 英文翻译 :    optimum signalnoise ratio
• "阈值信噪比" 英文翻译 :    threshold signal-to-noise ratio
• "不加权信噪比 未加权信噪比" 英文翻译 :    unweightedsignal-to-noiseratio
• "信噪比极限,容许信噪比" 英文翻译 :    limitation of signal to noise ratio

• Simulation results demonstrate that the algorithm not only has fast convergence and high accuracy , but also can improve the output snr greatly
  仿真实验表明，该算法具有快速收敛性能和高精确度等优点，能够大大提高分离后的输出信噪比。
• Under the condition of " comparatively weak correlation between the two noises involved , coherence function is used as a frequency domain amplification factor for improving snr of the output signal to the filter and the speech enhancement effect . meanwhile , a real - time recursive algorithm is put forward in substitute for current algorithms based on short time fourier transform . the new algorithm will simplify computations and will be suited for real - time implementation together with the adaptive systems
  接着针对上述nanc系统两路输入信号噪声相关性弱的情况，用相干函数作频域增益因子来提高输出信噪比与改善语音增强效果，同时，通过一种实时迭代算法解决了短时傅氏变换计算量大的问题，简化了计算，便于实时处理与实际应用。
• Two detection methods of chirp signals are presented in the dissertation : the cyclic autocorrelation detection method and the correlation detection method of cyclic autocorrelation function . it is shown that the two methods both have an excellent performance of blind detection . the performance analyses of the two detection methods are both carried out for additive noise or multiplicative noise , and the output signal - to - noise ratio ( snr ) expressions of the two methods are also derived
  通过研究提出了两种线性调频信号的检测方法?基于循环自相关函数包络的检测方法和基于循环自相关函数的相关函数包络的检测方法，两种方法均可实现信号的盲检测，有良好的检测性能，文中还分析了加性噪声及存在乘性和加性噪声情况下两种检测方法的性能，推导出了输出信噪比公式。
• Stochastic resonance has attracted the attentions in many fields of science in recent decades , but it is a new method and theory in signal processing . in context of signal processing , for signal transmission by nonlinear systems , stochastic resonance is commonly described as an increase hi the signal - to - noise ratio ( snr ) at the output , which is obtained through an increase of noise level or tuning system parameters
  从信号处理的角度来讲，随机共振是在非线性系统信号处理中，输入为强噪声背景下的微弱信号，系统输出以适宜的物理量来衡量，如信噪比，通过调节输入噪声强度或系统参数，都可使得系统输出信噪比达到一个最大值，此时，称信号、噪声和非线性系统所产生的协同现象为随机共振。
• In this paper , the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time . using aaf , the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed , such as the output signal - noise - ratio loss , the doppler resolution , the constraint on optimal accumulative time ( opt ) and their tolerable limits
  论文首次提出并研究了加速度模糊函数和加速度分辨力的有关概念，并以加速度模糊函数为分析工具，详细讨论了加速度对线性相位匹配滤波器的输出信噪比的损失程度、对多卜勒频率分辨能力的影响程度、对最优相参积累时间的约束关系以及线性相位匹配滤波器输出受加速度影响的容限等问题。
• The convergences of these algorithms are proved in theory . their output signal - to - noise ( snr ) is derived and bigger than that of the traditional adaptive line enhancer ( ale ) . simulation with the torpedo - radiated data indicates that the proposed algorithms are much better than the ale and the short - time correlation based adaptive line enhancer ( scbale ) in suppressing gaussian noise and enhancing spectrum feature
  对该算法的收敛性能进行了严格的证明，推导了该算法输出信噪比的计算公式，证明了该信噪比总是大于基于lms的自适应线谱增强器的输出信噪比，定义了评价算法性能的若干参数。
• The pseudo - random fsk / psk multi - modulation signal and the partly - matched processing signal remain the information of the target of interest . compared with the other processing methods , the partly - matched procession could depict the target ' s information effectively , and could get a higher output snr under a noisy environment . in this dissertation , the deduction and the simulink on the computer of the average ambiguity function of the pseudo - random fsk / psk multi - modulation signal are presented . also , to the partly - matched procession , analysis in theory and simulink on computer are presented . the partly - matched procession applied in radar field is also discussed
  较其它处理方法，非完全匹配处理能有效的突出所观测目标的信息，以及在加噪情况下，其具有高的输出信噪比。在论文中，对伪随机fsk / psk复合调制信号的模糊特性进行了推导与仿真，对非完全匹配处理方法进行了理论上的分析以及计算机上的仿真验证，讨论了其在雷达中的应用。
• The specific research methods are listed : 1 . matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal . then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves , many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking
  具体研究方法如下： 1 、采用以输出信噪比最大为准则的最佳匹配滤波器来对分段的参考和目标信号作相关处理来检测低信噪比目标信号，然后对一维分段相关输出组作纵向傅立叶变换来滤除静态或低速的杂波、多径回波等干扰信号，并提取目标的时差和多普勒频率，再结合由天线获得的目标方向等参数，就可以实现目标的定位和跟踪。