SNR
英
美
网络 超新星遗迹; 信号噪声比率; 倍噪比; 信噪比; 的信噪比
BNC.40326
双语例句
- Radar receiver's SNR is one of the most important parameters in a radar's performance.
雷达接收机的信噪比是衡量雷达性能指标最要的参数之一。 - The nonlinear error of the linearity of detector can be minimized by increasing the SNR.
可以采用增加信噪比的方法减小线性度的非线性误差。 - Novel method for estimating SNR of sine signal in communication system simulation
通信系统仿真中估计正弦信号信噪比的新方法 - Traditional algorithms of OFDM signal detection and synchronization acquisition usually can't work under low SNR.
分析了现有OFDM信号检测和同步捕获方案在低信噪比条件下存在的不足。 - Apply to the function of SNR, the BER of system based on three schemes were analyzed and calculated.
应用建立的信噪比关系，分析和计算了基于三种不同方案的系统的误码率。 - 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。 - Effect of data length and SNR on wind velocity estimation for MF radar
数据长度和信噪比对中频雷达风场计算的影响分析 - Power Optimization in IDMA with SNR and Differential Evolutions
IDMA系统中基于SNR演进和差分进化的功率优化研究 - It is demonstrated that ML estimating error can converge to CRB quickly with increasing synthetic aperture length and Signal to Noise Ratio ( SNR), but a threshold effect exists.
研究表明，随着合成孔径长度和信噪比的增加，ML估计误差可以很快地收敛于CRB，但存在阈值效应。 - When you derive the ideal SNR formula, you first define the rms signal.
推导出理想的信噪比公式时，首先定义信号的均方根。 - 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。 - 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。 - Computation and imitation indicate repress the noise effectively, to high SNR.
计算模拟表明有效抑制了噪声，实现了较高幅度的高信噪比。 - The system selects the features with the highest classification accuracy and corresponding SNR value.
系统能自动选取在相应的信噪比下具有最高分类精度的特征参数。 - SNR estimation method of LFM signal detection
线性调频信号检测的信噪比估算方法 - Research and Application on Low SNR Signal Detection Based on Chaotic Oscillator and Wavelet
基于混沌振子与小波的低信噪比信号检测研究与应用 - How to detect moving target in low SNR condition for moving-baselines time difference measuring system is studied, using multi-pulses coherent integration algorithm.
主要研究了动基线时差测量系统采用多脉冲相参积累算法对低信噪比条件下运动目标的有效检测问题。 - Signal Detection and SNR Joint Estimation Algorithm for AWGN Channel
AWGN信道下的信号检测联合信噪比估计算法 - A signal and noise separator based on SVM whose kernel function is Gauss function was used to distinguish the target signals from noises, and enhance the SNR by removing noises.
采用以高斯函数为核函数的SVM所构成的信噪分离器，对信号和噪声进行识别和分离，从而消除噪声，得到高信噪比的超声回波信号。 - Research on Narrowband Interference Suppression Based on Adaptive Threshold Under Low SNR
低信噪比下基于自适应门限的窄带干扰抑制研究 - Signal-to-noise ratio ( SNR) is one of the key parameters to quantitatively evaluate the image quality and radiometric performance of an imaging spectrometer.
信噪比是定量评价成像光谱仪成像质量和辐射性能的的一项重要指标，信噪比的估算和测量对成像光谱仪的研制至关重要。 - Study of small target detection in IR background and low SNR
对红外背景、低信噪比条件下的小目标检测技术研究 - This research indicates that wavelet analysis method can greatly improve the SNR of the EMITA signal and may decrease the requirement to preamplifier in EMITA sampling system.
这表明可以通过小波分析方法很好地改善热超声信号的信噪比，从而降低对微波致热超声成像采集系统中前置放大器的要求。 - The SNR of the thermal imaging system at different distance is calculated by using the means of NETD.
使用NETD方法对在相应条件下不同距离上的热成像系统的信噪比进行了估算。 - Findings indicate that the photon shot noise primarily determines the SNR.
分析结果表明光子散粒噪声决定了系统的信噪比。 - The method, based on cross-ambiguity function, is more suitable for time delay estimation in low SNR.
这种基于互模糊函数的算法与传统的直接互相关法相比，更适用于低信噪比情况下的时差估计。 - And the signal to noise ratio ( SNR) is increased with a phase shifter introduced.
通过引入移相电路提高了系统的信噪比。 - Analysis and Experimental Verification of Sensitivity and SNR of Laser Warning Receiver
激光告警接收机灵敏度和信噪比分析及实验验证