The signal average method was used in order to increase the S/N ratio, and the optimum sweep time and average times were experimentally determined.
为了提高信噪比,采用了信号平均技术,并通过实验确定了最佳采样时间和平均次数。
The preceding method is uses the signal in the frequency range energy distribution trick recognition goal, the actual test obtains approximately 83% average recognition rate.
前一种方法是利用信号在频域的能量分布特征识别目标,实际测试取得约83%的平均识别率。
The time domain average method is an efficient method to extract period components from the signal mixed with noise.
时域平均法是从混有噪声的信号中提取周期性分量的最有效方法。
应用推荐