| 1. | Power spectral density analyzer 功率谱分析仪 |
| 2. | Mean squared spectral density 均方谱密度 |
| 3. | Analysis and control of power spectral density for impulse uwb communications system 脉冲超宽带通信系统功率谱分析与控制 |
| 4. | Power spectral density 功率谱密度 |
| 5. | A random signal of known statistical properties of amplitude , distribution , and spectral density 振幅、分布及谱密度等的已知统计特性的随机信号。 |
| 6. | Flicker noise is approximately simulated by power law model of phase noise spectral density 根据相位噪声功率谱的幂律模型,近似地模拟了相位噪声。 |
| 7. | The estimation of the phase difference of two vibration signals of the same frequency by cross - spectral density 用互谱密度函数估算两同频振动信号的相位差 |
| 8. | The paper analyses the signal processing with emphasis on signal to noise ratio ( snr ) in output of correlator and snr in signal power spectral density 并对算法处理中相关器输出中的信噪比( snr )和功率谱密度中的snr进行了重点分析。 |
| 9. | The power spectral density of ship ' s motion is calculated based on ocean wave energy spectrum , and the movement spectrums of the ship ' s random motion are calculated and created 根据海浪波能谱,计算了舰船摇荡运动的功率谱密度和舰船的随机摇荡运动。 |
| 10. | In this paper , ar power spectral density estimate by way of burg is provided in analysis and capturing the feature of adventitious respiratory sounds 利用bp神经网络对异常呼吸音进行分类识别,提出了评价人体呼吸系统生理状况的方案,这对分析病人的呼吸系统疾病有重要意义。 |