If accurate fitting formulas of spectrum and coherent function of the fluctuating wind pressure can be obtained, this method possesses great advantage in computing efficiency and accuracy.
指出如果能拟合出脉动风压谱和相干函数的精确公式，该方法在计算效率和计算精度方面均有较大的优势。
Starting from the propagation theory of partially coherent light, the spectrum of twisted Gaussian Schell-model beams in the far field are studied.
从部分相干光的传输理论出发，研究了被光阑衍射扭曲高斯·谢尔模型光束远场的光谱变化规律。
The spectrum transmission function (STF) of optic fiber ring is obtained with the theory of partially coherent light.
根据部分相干光理论，得到了光纤环光谱传递函数。
By the effect analysis of various special processing methods, a set of seismic prediction techniques of malignant leakage such as coherent analysis and frequency spectrum analysis are summarized.
通过多种特殊处理方法效果的分析，总结了一套较为有效的恶性井漏地震预测技术，如相干体分析、频谱分析等。
It was found that the coherent length became shorter and the spectrum resolving power became lower as a result of solid Angle produced by the extended light source.
分析表明，扩展光源存在的立体角导致系统的相干长度变短，光谱分辨率降低。
In this paper, we analyze the BER performance of pilot symbol assisted two-dimensional spread spectrum systems with coherent demodulation in multi-path fading channels.
在多径衰落信道中，本文分析了导引辅助的二维扩频相干解调的误码率性能。
The application of double access mutual spectrum analysis and mutual coherent analysis is to verify the accuracy of the examined result from different aspects and different excitation modes.
双通道相干分析（相干谱）的应用在于对不同角度和不同激振方法对所测结果准确性进行判断。
The frequency spectrum and the coherent function of the signal were analyzed.
分析了信号的频谱及相干函数。
Significant progress has been reported on beam combination of fiber laser arrays recently using coherent combining and spectrum combining technology.
相干合成和谱合成是两种不同的光束合成方案，近年来均取得了显著进展。
The coherent anti Stokes Raman spectrum (CARS) technology, as a new temperature measurement method, is paid more and more attention to recently.
作为一种新兴的测温方法，CARS光谱技术正日益受到重视。
The new concept can also be used to modify other spatial spectrum estimation algorithms such as spatial smooth algorithm used for dealing with coherent sources.
算法的思想同样适用于空间平滑等各种抗相干源算法。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化，而采用宽带扩频调制则可极大改善系统的性能。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化，而采用宽带扩频调制则可极大改善系统的性能。
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