集册 Java实例教程 将输入数组规格化为

将输入数组规格化为

欢马劈雪     最近更新时间:2020-01-02 10:19:05

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将输入数组标准化为-1.0到1.0之间的双精度值。


//package com.nowjava;
/**来 自 NowJava.com - 时代Java**/

public class Main {

    /**

     * Normalizes the input array to double values between -1.0 and 1.0.

     * @param input

     * @return

     */

    public static double[] normalize(short[] input) {

        double[] normalizedSamples = new double[input.length];


        int max = maxValue(input);


        for (int i = 0; i < input.length; i++) {

            normalizedSamples[i] = ((double) input[i]) / max;

        }


        return normalizedSamples;

    }


    /**

     * Normalizes the input array to double values between -1.0 and 1.0.

     * @param input

     * @return

     */

    public static double[] normalize(double[] input) {

        double[] normalizedSamples = new double[input.length];


        double max = maxValue(input);// from N o w J a v a . c o m


        for (int i = 0; i < input.length; i++) {

            normalizedSamples[i] = input[i] / max;

        }


        return normalizedSamples;

    }


    /**

     * Calculates max absolute value.

     * @param input

     * @return

     */

    public static short maxValue(short[] input) {

        short max = Short.MIN_VALUE;

        for (int i = 0; i < input.length; i++) {

            if (Math.abs(input[i]) > max) {

                max = (short) Math.abs(input[i]);

            }

        }

        return max;

    }


    /**

     * Calculates max absolute value.

     * @param input

     * @return

     */

    public static 
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