When we sleep, the scientists argued, our brains pare back the connections to lift the signal over the noise.
当我们睡觉时，大脑得以减少连接，这样真正的信号才可以超过噪声。
The decisive factor is that the differentiation is not based on a sample over a discrete time period, but is a physical effect, so that the user sees a dynamic, low-noise acceleration signal.
决定性的因素是这种区分是没有根据的样本离散多时间，但它是一个物理作用，使用户会看到一个充满活力，低噪声加速度信号。
In the output signals of quartz weighing sensor, the temperature drift noise is first order or over first order continuous, however, the weighing exciting signal is discrete.
石英称重传感器的输出信号中的温度漂移噪声是一阶或一阶以上连续的，而称重激励信号的变化是离散的。
Signal sampling system of video communication over network usually has a low sampling rate suffering from the limited bandwidth, so aliasing noise is big problem.
受传输带宽限制，网络视频采集系统的采样率低，欠采样噪声严重。
It is established on the expected value of the theoretical spatial spectrum over the joint posterior density function of the array output signal and noise parameters.
它是建立在阵列输出信号和噪声参数联合后验概率密度基础上的空间谱估计。
Then, it introduces the applications of the IF sampling in radar signal processing, and the over sampling and noise shaping techniques and FFT to improve the receiver dynamic range technology.
其次，介绍了中频采样在雷达信号处理中的应用和过采样技术及其噪声整形、FFT提高接收机动态范围的技术。
Simulation results show that the technique can provide better image signal-to-noise rate performance over different bit error rates wireless channels.
在不同误码率的无线信道中的传输实验表明，此方案提供了更好的图像信噪比性能。
High signal to noise ratios (SNR) long range microphone, similar to the FOM 1140, intended for operation at low acoustic signal levels and over long distances.
高信噪比的远程麦克风，类似于FOM 1140，用于低噪音信号水平和远距离的运用。
With the method of over sampling and averaging, the resolution and signal noise rate(SNR)can be raised without extra ADC.
但采用过采样求均值的方法，既可以不采用片外ADC，又能提高ADC测量的分辨率和信噪比，很好地控制了产品成本，又提高了产品的性能。
Simulations show that the scheme gives a signal-to-noise ratio (SNR) improvement of about 0.4 dB over a frequency-selective fading channel compared with PN sequence padding.
仿真表明，在频率选择性信道下误符号率较PN序列填充方案有0.4dB左右的性能改善。
Simulations show that the scheme gives a signal-to-noise ratio (SNR) improvement of about 0.4 dB over a frequency-selective fading channel compared with PN sequence padding.
仿真表明，在频率选择性信道下误符号率较PN序列填充方案有0.4dB左右的性能改善。
应用推荐