| 1. | Phase noise power spectrum density
相位躁声功率频密度 |
| 2. | Power spectrum density
功率谱密度 |
| 3. | Object ' s through signature simulation based on power spectrum density estimation
基于功率谱估计的舰船噪声特征提取及声场通过特性仿真 |
| 4. | Analysis of evolutionary power spectra density function of ground motion induced by blasting seismic
爆破地震地面运动的演变功率谱密度函数分析 |
| 5. | In the end of this chapter , the power spectrum density ( psd ) analysis of hrg is given , which shows that the main noise of hrg is low frequency noise
论文还对陀螺信号进行了功率谱密度分析,分析结果表明陀螺的主要误差都集中在低频段。 |
| 6. | At last , the validity and the superiority of boundary - spectrum are improved by contrasting with power spectrum density ( psd ) to analyze tested data
同时通过实验信号的局域波边界谱和功率谱分析比较，突出了局域波边界谱分析的可行性和优点。 |
| 7. | Aiming at the common problems about the incline of biochip image , the automatic image rotation correction is realized by analyzing the power spectrum density of image projection
针对生物芯片扫描图象普遍存在的倾斜问题，利用图象投影的能量谱密度，实现对倾斜图象的自动校正。 |
| 8. | The fluctuating omnidirectional wind pressure power spectrum density ( psd ) of some typical locations and the frequency domain coherence property of the fluctuating wind pressure between different tapping positions at different wind directions were measured and discussed
文中进一步测量并讨论分析了屋盖上典型测点脉动风压的频谱特性以及空间不同位置之间的相干特性。 |
| 9. | Simulink and analysis about balanced gold code from correlation and power spectrum density curve are processed . at the same time , simulink experiment of ber performance on the base of theory analysis using designed spread spectrum system model
在码序列的互相关性和功率谱密度分布上对平衡gold码进行了仿真和分析，同时在构建的扩频系统上对理论分析进行了误码性能的仿真。 |
| 10. | Additionally , since direct spread spectrum sequence ( dsss ) signal has an ultra - low power spectrum density , finding approaches to detect it and estimate its parameters in the non - cooperative communication system is a great challenge for applications
另外, dsss信号由于具有极低的功率谱密度,如何在非协作通信中不知道扩频序列的前提下对其进行检测和估计,是一个具有很强应用背景的课题。 |
