<rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title>笔记 - 分类 - HAKULA†CHANNEL</title><link>https://old.hakula.xyz/categories/note/</link><description>笔记 - 分类 - HAKULA†CHANNEL</description><generator>Hugo -- gohugo.io</generator><language>zh-CN</language><managingEditor>i@hakula.xyz (Hakula)</managingEditor><webMaster>i@hakula.xyz (Hakula)</webMaster><atom:link href="https://old.hakula.xyz/categories/note/" rel="self" type="application/rss+xml"/><item><title>《纯粹理性批判》笔记 - 先验逻辑 导言</title><link>https://old.hakula.xyz/posts/note/philosophy/critique-of-pure-reason/transcendental-logic-introduction/</link><pubDate>Tue, 30 May 2023 10:43:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/philosophy/critique-of-pure-reason/transcendental-logic-introduction/</guid><description>&lt;div class="featured-image">
                &lt;img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/2c0575e9-e0f2-4a07-b2a0-288e5149eb75_critique-of-pure-reason.webp" referrerpolicy="no-referrer">
            &lt;/div>康德. 纯粹理性批判[M]. 邓晓芒译, 杨祖陶校. 北京: 人民出版社, 2004.</description></item><item><title>《纯粹理性批判》笔记 - 先验感性论</title><link>https://old.hakula.xyz/posts/note/philosophy/critique-of-pure-reason/transcendental-aesthetic/</link><pubDate>Mon, 24 Apr 2023 19:38:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/philosophy/critique-of-pure-reason/transcendental-aesthetic/</guid><description>&lt;div class="featured-image">
                &lt;img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/2c0575e9-e0f2-4a07-b2a0-288e5149eb75_critique-of-pure-reason.webp" referrerpolicy="no-referrer">
            &lt;/div>康德. 纯粹理性批判[M]. 邓晓芒译, 杨祖陶校. 北京: 人民出版社, 2004.</description></item><item><title>《纯粹理性批判》笔记 - 导言</title><link>https://old.hakula.xyz/posts/note/philosophy/critique-of-pure-reason/introduction/</link><pubDate>Wed, 19 Apr 2023 20:59:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/philosophy/critique-of-pure-reason/introduction/</guid><description>&lt;div class="featured-image">
                &lt;img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/2c0575e9-e0f2-4a07-b2a0-288e5149eb75_critique-of-pure-reason.webp" referrerpolicy="no-referrer">
            &lt;/div>康德. 纯粹理性批判[M]. 邓晓芒译, 杨祖陶校. 北京: 人民出版社, 2004.</description></item><item><title>《纯粹理性批判》笔记</title><link>https://old.hakula.xyz/posts/note/philosophy/critique-of-pure-reason/</link><pubDate>Tue, 18 Apr 2023 16:37:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/philosophy/critique-of-pure-reason/</guid><description>&lt;div class="featured-image">
                &lt;img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/2c0575e9-e0f2-4a07-b2a0-288e5149eb75_critique-of-pure-reason.webp" referrerpolicy="no-referrer">
            &lt;/div>康德. 纯粹理性批判[M]. 邓晓芒译, 杨祖陶校. 北京: 人民出版社, 2004.</description></item><item><title>DSP - Project: 语音识别</title><link>https://old.hakula.xyz/posts/note/dsp/speech-recognition/</link><pubDate>Fri, 03 Jun 2022 15:14:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/dsp/speech-recognition/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/ca13be58-d114-46a1-a0e7-a7877a1474af_94819769.webp" referrerpolicy="no-referrer">
            </div><p>本项目实现了一个基础的语音识别系统，可以从 20 个给定单词中识别一段语音是其中的哪个单词。识别系统基于深度学习，以音频信号的 Mel 频率倒谱系数（MFCC）作为特征，通过一个卷积神经网络（CNN）进行训练。</p>
<p>Digital Signal Processing @ Fudan University, fall 2021.</p>]]></description></item><item><title>DSP - Lab 3: MFCC: Mel 频率的倒谱系数</title><link>https://old.hakula.xyz/posts/note/dsp/mfcc/</link><pubDate>Fri, 27 May 2022 04:29:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/dsp/mfcc/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/b8604b7b-53dd-4620-8cc4-34417baf5ae9_95680357.webp" referrerpolicy="no-referrer">
            </div><p>本实验中，我们实现了一个端点检测算法，并构造了一个 Mel 滤波器组处理信号的能量谱，最后利用离散余弦变换（DCT）得到了信号的 MFCC 系数。</p>
<p>Digital Signal Processing @ Fudan University, fall 2021.</p>]]></description></item><item><title>DSP - Lab 2: 语谱图</title><link>https://old.hakula.xyz/posts/note/dsp/spectrogram/</link><pubDate>Thu, 12 May 2022 08:50:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/dsp/spectrogram/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/83b43957-3908-4479-9350-68bcd4edeec4_102257565.webp" referrerpolicy="no-referrer">
            </div><p>本实验中，我们利用之前实现的 FFT 算法，生成了不同语音片段在不同窗口宽度下的语谱图。</p>
<p>Digital Signal Processing @ Fudan University, fall 2021.</p>]]></description></item><item><title>DSP - Lab 1: FFT: 快速傅立叶变换</title><link>https://old.hakula.xyz/posts/note/dsp/fft/</link><pubDate>Sat, 26 Mar 2022 01:37:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/dsp/fft/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/d6012c5f-1973-467d-9fba-4ac6a11f4a53_102184125.webp" referrerpolicy="no-referrer">
            </div><p>本实验中，我们实现了一个基础的 FFT 算法，使用 Python 编写。</p>
<p>Digital Signal Processing @ Fudan University, fall 2021.</p>]]></description></item><item><title>CG - Project 1: 音乐可视化</title><link>https://old.hakula.xyz/posts/note/cg/music-visualization/</link><pubDate>Sat, 01 Jan 2022 21:18:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/cg/music-visualization/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/56755a37-2944-4e25-9c5a-966148ead1d9_82818849.webp" referrerpolicy="no-referrer">
            </div><p>本项目利用 HTML5 Canvas，实现了对音乐旋律的可视化，使用 TypeScript 编写。</p>
<p>Computer Graphics @ Fudan University, fall 2021.</p>]]></description></item><item><title>编译 - Lab 2: PCAT 语法分析器</title><link>https://old.hakula.xyz/posts/note/compilers/pcat-parser/</link><pubDate>Tue, 07 Dec 2021 02:16:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/compilers/pcat-parser/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/eff4b84a-7563-4d31-a7ff-5b8681d5cbdb_94538258.webp" referrerpolicy="no-referrer">
            </div><p>本项目利用 Bison 和 Flex，实现了对给定 PCAT 语言样例的语法分析。</p>
<p>Compilers @ Fudan University, fall 2021.</p>]]></description></item><item><title>编译 - Lab 1: PCAT 词法分析器</title><link>https://old.hakula.xyz/posts/note/compilers/pcat-lexical-analyzer/</link><pubDate>Fri, 05 Nov 2021 14:57:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/compilers/pcat-lexical-analyzer/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/f1e75217-9fa7-4af4-8760-8b66d4373af5_88865174.webp" referrerpolicy="no-referrer">
            </div><p>本项目利用 Flex (fast lexical analyzer generator)，实现了对给定 PCAT 语言样例的词法分析。</p>
<p>Compilers @ Fudan University, fall 2021.</p>]]></description></item><item><title>算法 - Project: DNA 测序错误检测 - Task 2: 有噪音分段比对</title><link>https://old.hakula.xyz/posts/note/algorithms/dna-error-detection/task-2/</link><pubDate>Mon, 28 Jun 2021 23:59:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/algorithms/dna-error-detection/task-2/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/bedbbd30-894e-407d-8a7f-02a665b60bdf_89979147.webp" referrerpolicy="no-referrer">
            </div><p>Algorithms (H) @ Fudan University, spring 2021.</p>]]></description></item><item><title>PRML - Lab 3: 聚类算法</title><link>https://old.hakula.xyz/posts/note/prml/clustering/</link><pubDate>Mon, 14 Jun 2021 03:00:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/prml/clustering/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/bd34cb2a-2392-4817-ae41-e2c37b5ab971_87631904.webp" referrerpolicy="no-referrer">
            </div><p>本次作业利用 NumPy 实现了一个 K-Means 模型和一个 GMM 模型，并利用 Gap Statistic 方法实现了数据集中聚簇数量的自动推测。</p>
<p>Pattern Recognition and Machine Learning (H) @ Fudan University, spring 2021.</p>]]></description></item><item><title>算法 - Project: DNA 测序错误检测 - Task 1: 无噪音整段比对</title><link>https://old.hakula.xyz/posts/note/algorithms/dna-error-detection/task-1/</link><pubDate>Sun, 16 May 2021 18:00:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/algorithms/dna-error-detection/task-1/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/c581e0a2-a818-4a5c-9f5e-be43b40cd861_90380296.webp" referrerpolicy="no-referrer">
            </div><p>Algorithms (H) @ Fudan University, spring 2021.</p>]]></description></item><item><title>PRML - Lab 2: FNN 模型</title><link>https://old.hakula.xyz/posts/note/prml/fnn/</link><pubDate>Sun, 02 May 2021 19:30:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/prml/fnn/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/b61460f5-786b-4041-9aae-bb993a1011c1_88775351.webp" referrerpolicy="no-referrer">
            </div><p>本次作业完成了选题 1 的实验内容，利用 NumPy 实现了一个 FNN 模型，并在 MNIST 数据集上进行了训练。</p>
<p>Pattern Recognition and Machine Learning (H) @ Fudan University, spring 2021.</p>]]></description></item><item><title>PRML - Lab 1: KNN 算法</title><link>https://old.hakula.xyz/posts/note/prml/knn/</link><pubDate>Fri, 02 Apr 2021 01:50:00 +0800</pubDate><author>Hakula</author><guid>https://old.hakula.xyz/posts/note/prml/knn/</guid><description><![CDATA[<div class="featured-image">
                <img src="https://hakula-1257872502.file.myqcloud.com/images/3/article-covers/0e3a490d-a7f0-4fea-97dd-1bc9db5cbfbf_90743556.webp" referrerpolicy="no-referrer">
            </div><p>本次作业利用 NumPy 实现了一个 KNN 模型。</p>
<p>Pattern Recognition and Machine Learning (H) @ Fudan University, spring 2021.</p>]]></description></item></channel></rss>