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免费辅助外挂网站,基于Java的地震_
时间:2026-04-01 04:31:27 出处:root面具阅读(143)
一 、基于环境振动等干扰
java public class SeismicSignal { private double[] waveform; // 时域采样数据 private double sampleRate; // 采样率(Hz) private Timestamp originTime; // 震相起始时间 }
二、基于核心滤波算法实现
1. 巴特沃斯带通滤波器
java
public class ButterworthFilter {
public static double[] bandpass(double[] input,基于
double lowCut,
double highCut,
double sampleRate,
int order) { IIRFilter filter = new IIRFilter( FilterPassType.BANDPASS, new double[]{lowCut, highCut}, sampleRate, order ); return filter.filter(input); }}
2. 基于FFT的频域滤波
java
public static double[] frequencyDomainFilter(double[] signal,
double[] mask) {
DoubleFFT1D fft = new DoubleFFT1D(signal.length);
double[] spectrum = Arrays.copyOf(signal, signal.length*2);fft.realForward(spectrum); // 正变换 for(int i=0; i