<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Research Note on Nova Kwok's Awesome Blog</title><link>https://nova.moe/types/research-note/</link><description>Recent content in Research Note on Nova Kwok's Awesome Blog</description><generator>Hugo</generator><language>zh-cmn</language><copyright>This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.</copyright><lastBuildDate>Sun, 28 Dec 2025 12:00:00 +0800</lastBuildDate><atom:link href="https://nova.moe/types/research-note/index.xml" rel="self" type="application/rss+xml"/><item><title>Rust Practice: Maintaining Lighter Exchange Local Orderbook — A Note on Going from 220µs to 492ns</title><link>https://nova.moe/rust-orderbook-en/</link><pubDate>Sun, 28 Dec 2025 12:00:00 +0800</pubDate><guid>https://nova.moe/rust-orderbook-en/</guid><description>&lt;p&gt;Many times, when we need to interface with an exchange&amp;rsquo;s data for local analysis or other tasks, we need to obtain continuous market information from a Websocket and build an Orderbook locally to facilitate analysis. This article is a practice note from my perspective as a Rust newbie.&lt;/p&gt;
&lt;h2 id="raw-data"&gt;Raw data&lt;/h2&gt;
&lt;p&gt;The target exchange for this practice is Lighter. After establishing a Websocket connection, you can start subscribing by sending the following message:&lt;/p&gt;</description></item><item><title>Rust 维护 Lighter 交易所本地 Orderbook 练习——从 220µs 到 492ns 的小笔记</title><link>https://nova.moe/rust-orderbook/</link><pubDate>Sun, 28 Dec 2025 12:00:00 +0800</pubDate><guid>https://nova.moe/rust-orderbook/</guid><description>&lt;p&gt;许多时候当我们需要对接一个交易所的数据用于本地分析或者别的什么事情的时候都需要从 Websocket 获得连续的市场信息并在本地构建一个 Orderbook 方便分析,本文是本人作为一个 Rust 新手的一次练习笔记。&lt;/p&gt;</description></item><item><title>译-非常好大卡钳改装让我 ABS 抽风导致刹车距离变长——ABS 和刹车系统的一些基础</title><link>https://nova.moe/abs-esp-brake-fundamentals/</link><pubDate>Tue, 10 Sep 2024 14:45:24 +0800</pubDate><guid>https://nova.moe/abs-esp-brake-fundamentals/</guid><description>&lt;p&gt;很多人&amp;quot;改车&amp;quot;缺乏对于车辆的基本认知，许多 &amp;ldquo;改装店&amp;rdquo; 的师傅/老板可能连制动力平衡都不太了解，每次问到如果改了前刹之后如何保证制动力平衡相关的问题的时候总是会有类似如下的语句来搪塞，比如：&lt;/p&gt;</description></item><item><title>更换卡钳之后制动距离真的变长了——十代思域 AP9440 安装/测试记录</title><link>https://nova.moe/ap9440/</link><pubDate>Sat, 31 Aug 2024 15:00:00 +0800</pubDate><guid>https://nova.moe/ap9440/</guid><description>&lt;blockquote&gt;
&lt;p&gt;本文最后更新于 2024-09-09，更新了后轴换用 Dixcel Z 刹车片后的成绩&lt;/p&gt;
&lt;/blockquote&gt;
&lt;p&gt;对于刹车的改装，如我的 &lt;a href="https://fk7.nova.moe/mod/brake/"&gt;Nova Kwok 的思域 FK7 改车笔记&lt;/a&gt; 一文，是我觉得对于整车影响很大的一个变化，所以我倾向于称为改装/改动而不是升级/优化/强化。&lt;/p&gt;</description></item><item><title>十代思域通过拔除原厂避震塔顶 Guide Pin 推倾角记录</title><link>https://nova.moe/civic-guide-pin/</link><pubDate>Sun, 07 Jul 2024 14:00:00 +0800</pubDate><guid>https://nova.moe/civic-guide-pin/</guid><description>&lt;p&gt;偶然在看十代思域 HKS HIPERMAX S 避震说明书时发现避震塔顶其实有可调空间，在说明书上说可以最大额外获得 1 度的倾角：&lt;/p&gt;
&lt;figure class="figure"&gt;
 &lt;img src="https://nova.moe/pics/civic-guide-pin/hks.png"
 alt=""
 loading="lazy"
 decoding="async"&gt;
 &lt;/figure&gt;&lt;p&gt;这对于不想额外增加设备想获得倾角的我来说喜出望外，增加了倾角可以有效增加劈弯时前轴抓地力，同时缓解因为换了 Model 3 轮毂+235/40/R18 轮胎之后在避震行程较大时磨到内衬的问题（见 「&lt;a href="https://nova.moe/fk7-model3/"&gt;给思域 FK7 换上 Tesla Model 3 的轮毂&lt;/a&gt;」 一文）。&lt;/p&gt;</description></item><item><title>借助 pandas, numpy 自动化修正 Hondata AFM 曲线</title><link>https://nova.moe/auto-afm-correction/</link><pubDate>Wed, 05 Jun 2024 08:00:00 +0800</pubDate><guid>https://nova.moe/auto-afm-correction/</guid><description>&lt;p&gt;在之前的文章 「&lt;a href="https://nova.moe/honda-afm-intake/"&gt;什么是空燃比，燃油修正和 AFM 曲线——兼谈如何通过 Hondata Log 数据了解你的进气组件是否正常工作&lt;/a&gt;」 中我们知道，如果更换了进气套件或者滤芯的话，可以通过 Hondata 对 AFM 曲线进行修正。&lt;/p&gt;</description></item><item><title>Automating Hondata AFM Curve Correction with Pandas and Numpy</title><link>https://nova.moe/auto-afm-correction-en/</link><pubDate>Wed, 05 Jun 2024 07:50:00 +0800</pubDate><guid>https://nova.moe/auto-afm-correction-en/</guid><description>&lt;p&gt;In the previous article, &amp;ldquo;&lt;a href="https://nova.moe/honda-afm-intake/"&gt;What is Air-Fuel Ratio, Fuel Trim, and AFM Curve—How to Use Hondata Log Data to Understand if Your Intake Components are Working Properly&lt;/a&gt;&amp;rdquo;, we learned that if you replace the intake kit or filter, you can correct the AFM curve using Hondata.&lt;/p&gt;
&lt;p&gt;For example, if you record a Datalog and plot AFM.v and S.Trim using Hondata&amp;rsquo;s XY plot, and you see something like the figure below, you will know that there is a dip around 1.1v (down to -8%), indicating that the intake volume corresponding to the voltage value in the calibration is too high (the computer injects fuel based on the calibration, then finds that it is 8% too rich, so it reduces the fuel injection by 8% through S.Trim).&lt;/p&gt;</description></item><item><title>用 Grafana + InfluxDB 可视化 APR——Binance（币安）和欧易（OKX）简单赚币（理财）对比</title><link>https://nova.moe/crypto-simple-earn/</link><pubDate>Sun, 31 Mar 2024 09:30:55 +0800</pubDate><guid>https://nova.moe/crypto-simple-earn/</guid><description>&lt;p&gt;首先得非常感谢 &lt;a href="https://twitter.com/taresky"&gt;@taresky&lt;/a&gt; 的文章 「&lt;a href="https://taresky.com/crypto-arbitrage"&gt;无风险年化 360%？小白也能懂的 Crypto 套利&lt;/a&gt;」，让许多人可以以一个非偏见的形式「了解逻辑，理解风险，明白利润的来源」。&lt;/p&gt;
&lt;p&gt;在文章中「交易所理财」是一个相对门槛低且较低风险的入门方式，本文将尝试进一步探索 OKX 和 Binance 两家提供的 USDT/USDC 理财。&lt;/p&gt;</description></item><item><title>将闭环空燃比从 14.7 调节到 15.4 来获得更低的油耗表现——十代思域 + Hondata 的一次测试</title><link>https://nova.moe/lean-af-fuel-economy/</link><pubDate>Sun, 24 Sep 2023 08:00:00 +0800</pubDate><guid>https://nova.moe/lean-af-fuel-economy/</guid><description>&lt;p&gt;在一个名为「AFR 16」的小圈子中偶然看到「冬夏」提到了一个更稀的空燃比降低油耗的思路，打算为此进行验证。&lt;/p&gt;
&lt;blockquote&gt;
&lt;p&gt;申明：本文是对于 AF 以及一些相关的知识学习后的笔记，作为一个非车辆工程相关的人，部分文章内容可能并不正确，仅供参考。&lt;/p&gt;</description></item><item><title>Adjusting the closed-loop air-fuel ratio from 14.7 to 15.4 for Improved Fuel Efficiency – A Test on a 10th Generation Civic with Hondata</title><link>https://nova.moe/lean-af-fuel-economy-en/</link><pubDate>Sun, 24 Sep 2023 07:50:00 +0800</pubDate><guid>https://nova.moe/lean-af-fuel-economy-en/</guid><description>&lt;p&gt;I came across a discussion in a small circle called &amp;ldquo;AFR 16,&amp;rdquo; where &amp;ldquo;冬夏&amp;rdquo; mentioned an idea about adjusting the air-fuel ratio (AFR) to achieve lower fuel consumption. I decided to verify this idea.&lt;/p&gt;
&lt;blockquote&gt;
&lt;p&gt;Disclaimer: This article is a collection of notes after studying AF (Air-Fuel) and related knowledge. As someone not involved in automotive engineering, some of the content may not be entirely accurate and is for reference only.&lt;/p&gt;</description></item></channel></rss>