通过理论分析可以看出，随着本艇自噪声有源抵消器参考输入端信噪比的降低，系统输出端信噪比升高。
It can be seen from the theoretical analysis that the signal to noise ratio in the output of the canceler will improve when the signal to noise ratio in the reference input drops.
评价信噪比随扫描参数的变化是否符合信噪比规律。
Evaluate whether the change of SNR varied with parameter to be in accordance with the SNR law.
仿真结果表明：无论在高信噪比还是在低信噪比条件下，自适应算法均比单一的编码调制方案吞吐量有明显的提升。
The simulation results show that the proposed algorithm improved the throughput more obvious than any single modulation and coding scheme whether under high or low SNR conditions.
循环平稳处理方法对高斯色噪声不敏感，对非高斯色噪声也有较强的抑制作用，而且在低信噪比情况下工作良好。应用于低信噪比环境中。
Cyclostationary method is not sensitive to the Gaussian color noise and can do with non Gaussian color noise as well, which is proved to be effective in low SNR environment.
提出了整帧信噪比分段加权法，在低信噪比的情况下，提高系统的识别率。
Proposing a segment weight method of the whole SNR which can improves the identification ratio under the lower SNR circumstance.
分析了小波双线性插值中高频外推阈值门限与重建图像峰值信噪比的变化关系，提出了峰值信噪比最大小波双线性插值迭代算法。
The variable relationship between the threshold of the extrapolation and its correspondent Peak of the Signal-to-Noise Ratio (PSNR) in the Wavelet Bi-linear Interpolation Algorithm is deeply analyzed.
该文从理论和仿真两个角度研究了信噪比对多普勒中心频率估计的影响，给出了多普勒中心频率和信噪比的理论及仿真关系曲线。
The effect of Signal-Noise-Ration (SNR) to the estimation of Doppler central frequency has been studied using theoretical method and simulation technique, and results are given in curves.
高分辨率勘探三要素中，高信噪比是基础，没有高信噪比就没有高分辨率和高保真度。
High signal to noise ratio is the basic one in the three factors of high resolution exploration, so without it the high resolution and high fidelity can't exist.
主要介绍了一种典型的信噪比估计算法，并对信噪比的自相关矩阵奇异值分解估计法进行了研究。
This paper introduces a typical SNR estimation algorithm by the use of autocorrelation matrix singular value decomposition method.
比较了非再生中继性能在低信噪比时优于再生中继，在高信噪比时两者性能相似。
The performance of non-regenerative relaying is superior to that of regenerative relaying at low average signal noise ratio (SNR), but the performance of the both is similar at high average SNR.
此外，信噪比(SNR)高的认知用户，向信噪比低的认知用户发送辅助信息，以帮助它们利用自适应双门限法更加准确地完成本地频谱检测。
Besides, the CR users with high SNR will send assistant information to the ones with low SNR in order to help them complete the local spectrum sensing by double adaptive thresholds energy detection.
文章给出了计算OXC级联信噪比的一般解析模型，并针对“信号功率均衡”和“总功率均衡”两种方案进行了研究，分析了在这两种特定情况下系统的信噪比特性。
We introduce a general model for the calculation of the optical signal to noise ratio (SNR) of the optical cross connection (OXC) in optical networks in this paper.
研究了影响直接成像光谱仪信噪比的主要因素，给出了主要噪声源噪声的计算方法，并推导出直接成像光谱仪信噪比的计算公式。
The major factors which influence SNR of Direct Imaging Spectrometer ( DIS) are studied and the formulas of main noises from noise sources are given, finally the SNR formulas of DIS are deduced.
以塔北低信噪比复杂断块区为例，研究低信噪比复杂断块区的解释思路和方法。
The complicated fault block area with low SNR in Tabei region of the Subei Basin is a good example to study and sum up the interpreting methods in the complicated fault block area.
前置放大器是影响APD激光脉冲探测系统好坏的关键因素，前置放大器的信噪比决定了整个探测系统的信噪比优劣。
Preamplifier is one of the key factors which affect APD detection system of laser pulse. The signal-to-noise ratio(SNR) of preamplifier determines the SNR of whole detection system.
针对直接序列扩频信号工作中信噪比较低的特点，提出了一种通过求解接收信号相关矩阵的特征值来估计信号信噪比的方法。
In consideration of the low signal-noise-ratio (SNR) of DSSS signals, a method of estimating the SNR was given by resolving the eigenvalue of the received signal correlation matrix.
实际应用中的信噪比较低，使得某些高信噪比下性能好的检测算法不能有效地工作，影响系统的识别率。
Some good detection algorithms with a high SNR can not take effect in practical use because of small SNR, which may reduce the recognition rates.
这样在大气订正后，图像的信噪比性能充分反映出遥感仪器的信噪比性能。
In this way, after atmosphere correction the signal-to-noise ratio characteristic of OMIS images can reflect that of the OMIS instrument sufficiently.
讨论了基频光与倍频光间的信噪比关系及如何测试倍频光信噪比等问题。
What is the relation of the SNR of the fundamental and its frequency doubled laser and how to measure the SNR of the frequency doubled laser are discussed.
此外，本文还给出了在高信噪比与低信噪比情况下，次级用户系统吞吐量的渐进分析与验证结果。
Moreover, the asymptotic performances of SU throughput at low and high SNRs are proposed and validated.
该算法能够根据接收信噪比的不同情况选择最佳的分组类型进行传输，给出了进行分组类型切换的信噪比门限值。
This algorithm can choose the optimal packet type for data transmission according to average received SNR, and the threshold values for switching packet type were given.
理论分析了光子计数探测技术和信噪比的改善，实验研究了改善信噪比的脉冲累计方法。
The photon counting detection technique and the improvement of the signal-to-noise ratio are analyzed theoretically.
在信噪比高于临界信噪比时，本发明方法具有比常规波束形成更高的阵增益。
When the signal to noise ratio is higher than the supercritical signal to noise ratio, the method of the invention has higher array gain than that of conventional beamforming.
耳机信噪比知识：指信号的有用成份与杂音的强弱对比，常常用分贝数表示，拉链耳机品牌设备的信噪比越高表明它产生的杂音越少。
The strength of the useful components and noise signal, often expressed in decibels, zipper headset brand equipment with higher SNR show that it produces less noise.
OMRS算法选择源节点-中继节点-目的节点的端到端瞬时信噪比最大的最佳中继，而ABRS算法选择中继节点-目的节点的平均信噪比最大的最佳中继。
The optimal relay is chosen based on the source-relay-destination end-to-end instantaneous SNR in OMRS, while ABRS selects relay based on the relay-destination average SNR.
OMRS算法选择源节点-中继节点-目的节点的端到端瞬时信噪比最大的最佳中继，而ABRS算法选择中继节点-目的节点的平均信噪比最大的最佳中继。
The optimal relay is chosen based on the source-relay-destination end-to-end instantaneous SNR in OMRS, while ABRS selects relay based on the relay-destination average SNR.
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