难检字字典在线查询

汉语拼音：xìn zào bǐ

信号噪声比”的简称。通信系统或电路中某点上信号平均功率与噪声平均功率之比。常以分贝为计量单位。用来衡量通信系统的质量。在噪声大于信号的场合，要用相关技术来进行接收。

• Numerical results show that this algorithm can recognize the OFDM signal in a wide SNR range with a high average classification probability.

  计算机数值仿真结果验证了该算法在很宽的信噪比范围内对OFDM具有很高的平均识别率。

• Result It was found that fluctuation complexity was more effective in detecting low-SNR speech than spectral entropy.

  结果在低信噪比情况下，涨落复杂性测度比广泛应用的谱熵方法更有效。

• 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 results of simulation show that this algorithm can effectively detect speech signal under low signal to noise ratio condition.

  仿真结果表明，在通信系统低信噪比的环境下能有效地检测出语音信号。

• Short-wave communication is the main means of the remote communication between ships on the sea.

  在短波通信中，极低信噪比条件通信是一种应急通信手段。

• The results show that this method is efficient to segment noisy speech even at a low signal-to-noise ratio.

  实验结果表明：该算法在低信噪比条件下也能够有效分割语音。

• It is proved that this optimized method can effectively improve processing speed with slight Signal to Noise Ratio(SNR) decrease.

  实验结果证明，优化后的方法在信噪比性能下降较小的情况下能够获有效地提升计算速率。

• Draw the output of the demodulation performance curve and the point of the relationship between signal to noise ratio SNR.

  画出了解调器输出端性能曲线与点信噪比SNR的关系。

• The C1 coherency algorithm is fast, and easy to implement, so it's suitable for high signal noise ratio information.

  C1相干算法具有计算速度快、易于实现的特点，在信噪比较高的资料中，适合使用该方法。