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goertzel中文什么意思
例句與用法
- A new kind of method is proposed for the signal processing of cmf in this paper
提出基于自適應(yīng)funnel濾波器和滑動goertzel算法的科氏流量計信號處理方法。 - The method , combining the aff with sga , can accurately track the signal frequency and calculate the phase difference between two signals
它將自適應(yīng)funnel波器和滑動goertzel算法結(jié)合起來，能夠精確地跟蹤信號的頻率，計算相位差。 - Due to existing signal processing technology ’ s shortage such aslow measurement , narrow measurement range precision and other poor performance , we introduced a high - precise signal processing technology : firstly , to get power spectrum with hanning windowed welch modified periodogram , search its peak value frequency ; secondly , to apply zooming analysis via goertzel algorithm ; at last , to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology , we designed a signal processing scheme , and developed a signal processing system . the running result showed high performance , verified the feasibility and reliability of the highly precise signal processing technology introduced . in a word , the technology improved ldv ’ s performance such as measurement precision , measurement range , dynamic response time 。 and it will have a wide application foreground
針對存在的缺點,本文提出了一種應(yīng)用于激光多普勒測速的高精度信號處理技術(shù),即首先利用加hanning窗的welch修正周期圖算法得到信號功率譜,搜索其譜峰值頻率,接著利用goertzel頻譜細化算法對搜索的譜峰進行細化分析,再引入能量重心頻譜校正算法對細化后的譜峰進行校正分析,從而將離散頻譜分析算法、頻譜細化算法和頻譜校正算法三者有機結(jié)合起來,充分發(fā)揮各自的優(yōu)點:通過加hanning窗的welch修正周期圖算法快速得到功率譜及峰值頻率,通過goertzel算法獲得分析頻帶的高分辨率頻譜,然后通過能量重心校正算法對細化后的頻譜進行高精度校正,這樣不僅保證了算法的高效性,而且大大提高了分析的精度。 - On the basis of our lab ' s previous achievements , the author has studied three kinds of digital signal processing methods - the method based on a digital phase locked loop , the method based on quadrature demodulation , and the method based on adaptive funnel filter ( aff ) and sliding goertzel algo rithm ( sga ) . the author has also studied the cmf driving principle , various analog driving circuits , driving waves , and digital driving methods
主要研究了三種科氏流量計的數(shù)字信號處理方法：基于數(shù)字鎖相環(huán)的方法、基于正交解調(diào)的方法和基于自適應(yīng)funnel濾波器和滑動goertzel算法的方法；以及科氏流量計驅(qū)動的原理、各種模擬驅(qū)動的波形、電路以及數(shù)字驅(qū)動的方法等。
百科釋義
* Goertzel algorithm - an algorithm used in digital signal processing
詳細百科解釋