您要查找的是不是：
- Input signal autorange for optimum signal to noise ratio. 自動輸入信號調控,以獲得最佳信號與噪音的比。
- S/N (signal to noise ratio) is low about from 1.315 to 1.668 (average S/N). 信噪比很低，估算平均信噪比在1.;315一1
- In decomposed eigen subspace, by means of eigen extraction, noise is eliminated and signal to noise (s/n) ratio enhanced. 在分解后的特徵子空間中進行特徵提取來消除相干和隨機雜訊，提高地震記錄的信噪比。
- State of the art fiber optic components deliver high signal to noise ratio and long-term stability. 光纜聯接的光路保證了系統的柔和性以及高信噪比和長時間工作穩定性。
- Methods of estimating baud rate, Signal to Noise Ratio (SNR) and reference phase are investigated. 研究了自適應調製中波特率，信噪比和載波相位等參數的估計演算法；
- Signal to Noise Ratio (SNR): The ratio of the signal to the random noise in a set of data. 信噪比：平均到一個數據單元的信號與隨機雜訊的比值。
- The pulsar signal is a kind of typical nonstationary random signal which SNR (Signal to Noise Ratio) is very low. 摘要脈衝星信號是一種典型的非平穩信號，且信噪比非常小。
- In low Signal to Noise Ratio (SNR) range, the close-form expression of the optimal BFV is derived. 在低信噪比區域，求出了最優波束成形向量的閉合解；
- Comparison of RLS algorithm and LMS algorithm for different signal to noise ratio in the case of the learning curve. 比較RLS演算法和LMS演算法在不同信噪比情況下的學習曲線。
- A simulation indicates that the Laplacian assumption of coefficients yields a higher actual output signal to noise ratio than the Gaussian assumption. 模擬結果顯示 ,假設高頻部分符合拉普拉斯分佈可獲得比高斯分佈假設更高的恢復圖像信噪比。
- The requirements for external vibration is put forward by means of signal to noise ratio of dynamic balance measuring system. 根據動平衡測試系統信噪比對外界振動提出了要求。
- The Nikon approach (large sensor area and large pixel sizes to improve the signal to noise ratio might be a more sensible solution). 尼康道路：採用更大的感測器和更大面積的像素來降低信噪比，似乎更合理一些。
- Then calculate the exposure corresponding to the relationships of exposure, ratio of signal to noise, contrast, and performance of resist. 同時模擬樣品模型各台階的真實成像條件，測量了各台階所對應的抗蝕膜顯影速度曲線，對顯影條件作了定量分析。
- Behaviorally, in receptive mode, the signal to noise ratio is increase, and the information is easily detected, interpreted and executed. 首先，我們要明白科學研究的程序是先立一個假設，然後去驗證這個假設。
- Objective To design a new type of RF endorectal coil so as to increase signal to noise ratio (SNR) and improve the efficiency of MRI diagnosis. 摘要目的：設計一種新型的經直腸的射頻線圈，以增加前列腺圖像的信噪比，提高磁共振診斷的效率。
- It is useful to use greater value of detection angle for increasing the backscattering coefficient and ameliorating the ratio of signal to noise. 可以利用大的探測角值提高背散射率以改善信噪比。
- 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. 並對演算法處理中相關器輸出中的信噪比（SNR）和功率譜密度中的SNR進行了重點分析。
- Simulation results show that this algorithm effectively improves the PSNR (peak signal to noise ratio) and achieves better subjective visual quality. 模擬結果表明，該方法可改善圖像的峰值信噪比，獲得更好的主觀視覺質量。
- I stood watching for the signal to change to green. 我站著等待交通信號轉為綠燈。
- This estimator has the advantage of high accuracy even on low signal to noise ratio conditions, but its implementation is relatively simple. 這種頻率跟蹤方法的優點是即使在很低的信噪比下仍然能獲得高的跟蹤精度，且實現相對簡單。
