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- Extraction of Weak Signal from Strong Noise Background by BP Neural Networks 利用BP神经网络从强噪声背景中提取弱信号
- Study on signal detection method in a stronger noise background 强噪声背景下的信号检测方法研究
- A Primary Study on the Detection of Weak Signal in a Stronger Noise Background 强噪声背景中微弱信号检测的初步研究
- strong noise background 强噪声背景
- Detection of dim target in infrared image with strong noise and background is the emphasis and difficulty of target detection. 强噪声背景下红外图像中弱小目标的检测一直是研究的重点和难点。
- The propogation is badly today, so very strong noise on the band now. 今天电离层情况不好,现在这个波段上有很强的噪音。
- Abstract：The principles and methods of digital filter for Mores code under the noise background are introduced. 摘要：介绍了对噪声背景下的莫尔斯码进行滤波的原理及方法。
- Simulation result shows that by the method useful signal can be gotten primely from the noise background that is similar to the measured signal. 仿真结果表明利用这种方法能在和被测对象相似的噪声背景中很好地提取有用信号。
- Both CIA and Time-Frequency Analysis(TFA) are applied to the detection of the radar target in strong noise environment. 将复像分析应用于雷达目标的弱信号检测，将常规的基于恒虚警检测方法无法检测到的目标利用复像分析方法检测出来，在一定程度上提高了雷达的检测能力。
- The machine has to be operated in an environment that is free from strong noise sources such as high-frequency welder. 同时应在不受高频焊接机等强噪声源影响的环境下使用。
- The correct rate of speech recognition will go down severely under changeable strong noise. 摘要在变强噪音的情况下，语音识别的正确率会迅速下降；
- Under multiply and strong noise conditions, Hermite interpolation simulation is better than that of multi-section interpolation algorithm. 在既有乘性噪声，又有较强加性噪声的情况下，仿真效果优于拉格朗日分段线性插值算法，是一种新的非均匀性校正算法。
- In practice，other noise in the system can be reduced by introducing double optical harder-limiters also，such as：APD shot noise，APD dark current noise，background light and thermal noise. 实际上，引入两个光硬件限幅器同样可以减小系统中的其他噪声：APD光电检测过程中的散粒噪声、暗电流噪声、背景光影响、消光比影响及热噪声。
- Functions: bullet-like outline design, smooth surface, strong noise reduction function, antifouling treatment, safety and healthy. 产品作用：子弹型轮廓设计，表面光滑，具有较强减噪功能，防污处理，安全卫生。
- He has a strong political background. 他有强大的政治背景。
- The harmonic retrieval is classified according to the different noise background,in additive noises and multiplicative additive noises. 根据噪声背景的不同,谐波恢复可以分为加性噪声背景和乘性混合噪声背景下的谐波恢复。
- 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)。
- But once the seeker is under a strong noise jamming,the receiver of the seeker becomes saturated,and the maladjusted angle as well as the variance of angle measure become s... 但是在强噪声干扰下,导引头接收机处于饱和状态,失调角及测角方差恶化,从而使其不再具有任何利用价值,必须采取措施加以解决。
- The conventional filtering method would damage the seismic signal and prove inadequately in removing the strong noise with broad frequency band from the seismic signal. 常规消除工频干扰的滤波方法会伤害有效信息，并且对频带较宽的机器噪声亦不适用。
- The boat heeled over in a strong wind. 船在强风吹袭下倾侧了。
