https://0Zhen.github.io/tags/%E9%9B%BB%E7%A3%81%E8%A8%AD%E8%A8%88/Recent content in 電磁設計 on 0箴https://0Zhen.github.io/images/icon.pnghttps://0Zhen.github.io/images/icon.pngHugozh-twThu, 02 Apr 2026 03:09:46 +0000https://0Zhen.github.io/posts/how-to-measure-motor-back-emf-thd-with-fft/Thu, 02 Apr 2026 03:09:46 +0000https://0Zhen.github.io/posts/how-to-measure-motor-back-emf-thd-with-fft/A practical guide to harmonic distortion analysis using a free browser-based toolhttps://0Zhen.github.io/posts/2026-03-23/Mon, 23 Mar 2026 09:15:38 +0000https://0Zhen.github.io/posts/2026-03-23/窗函數・補零・Cooley-Tukey・THD ── 從示波器 CSV 到 Excel 的完整流程https://0Zhen.github.io/posts/2026-02-11/Wed, 11 Feb 2026 02:29:24 +0000https://0Zhen.github.io/posts/2026-02-11/寫給需要制定馬達規格的工程師：如何從功率需求推算電流，並留下合理的設計餘裕https://0Zhen.github.io/posts/sigma-delta-adc/Wed, 24 Sep 2025 02:19:54 +0000https://0Zhen.github.io/posts/sigma-delta-adc/在數位世界與類比世界的橋樑中，ADC（類比數位轉換器）扮演著關鍵角色。而在眾多ADC架構中，Sigma Delta ADC以其獨特的設計理念和卓越的性能表現，成為高精度量測和音訊應用的首選方案。https://0Zhen.github.io/posts/esd-emc/Mon, 14 Apr 2025 15:06:30 +0000https://0Zhen.github.io/posts/esd-emc/本文是我在研究電磁兼容性測試時，通過蒐集相關資料後整理而成的內容。希望能為對這一領域感興趣的讀者提供一個通俗易懂的入門指南。https://0Zhen.github.io/posts/understanding-first-and-second-order-filters-from-physical-systems-to-digital-implementation/Fri, 21 Feb 2025 15:35:37 +0000https://0Zhen.github.io/posts/understanding-first-and-second-order-filters-from-physical-systems-to-digital-implementation/As a firmware engineer, I frequently encounter filtering problems in various applications. Whether it’s smoothing sensor data, implementing…https://0Zhen.github.io/posts/analysis-of-high-no-load-current-and-viscous-coefficient-correlation/Tue, 04 Feb 2025 01:47:29 +0000https://0Zhen.github.io/posts/analysis-of-high-no-load-current-and-viscous-coefficient-correlation/In motor systems, observing abnormally high no-load current can be puzzling. This article explores a commonly overlooked cause: excessive…