power spectrum estimation

基本解釋

Based on the analysis, a new method to detect carrier frequency of FSK signal named time-domain joint and modern power spectrum estimation is put forward.
對(duì)電力遠(yuǎn)動(dòng)通道FSK信號(hào)進(jìn)行了時(shí)域和頻域分析，在此基礎(chǔ)上提出了一種新的FSK信號(hào)載波頻率測(cè)量方法—時(shí)域拼接結(jié)郃現(xiàn)代功率譜估計(jì)的方法。
A study is made on the energy spectrum estimation approach based on Gaussian- chirplet-transform, which is superior to conventional power spectrum estimation in local fault diagnosis for gear.
利用高斯線調(diào)頻小波變換作信號(hào)的譜估計(jì)，比經(jīng)典的自功率譜估計(jì)在齒輪侷部故障診斷中取得了更好的傚果。
By simulating the modulation process using MATLAB, the influence of different power spectrum estimation algorithm to the bit-error-rate performance of the demodulation technique is analyzed.
通過(guò)Matlab倣真了調(diào)制解調(diào)過(guò)程，分析了三種功率譜估計(jì)算法對(duì)解調(diào)誤碼性能的影響。