顫抖是神經系統失調一種的症狀，在一天中的任意時刻都有可能發生。由此顫抖是一個身體部分不自主的擺動，帶有相對固定頻率和幅度，如果只記錄一段短時間，在病理上的症狀就無法完全了解，也會使醫生開藥方不易。為了連續的記錄顫抖數據， 本研究提出一個小尺寸，低功率和長期的可攜式顫抖數據記錄系統。本系統是以 ATMEL Atmeg16L 微控器、快閃記憶體和三軸加速度計來建構完成。 在收集顫抖數據之後，將其轉存到主機(PC機)做進一步處理。整個顫抖波形的分析包括顫抖頻率和強度分析，並提供顫抖現象的判斷和治療的相關意見。
　　因此，本研究提出記錄系統，能夠長期記錄全部顫抖的數據並且傳送到PC去分析。本研究所完成系統有下列特點︰
-記錄來自3個頻道的顫抖數據
-A/D取樣率為100Hz/頻道
-長的記錄時間為11.65個小時(2位元/頻道)
-可將數據資料儲存到快閃記憶體(64Mb)中
-可將數據資料經由RS-232界面轉存到PC
-使用電池動力(3 V)
-低耗能(工作電流約4.1mA)
-小尺寸和低成本

　　Tremor is a kind of symptom of neurological disorders, which may occur anytime in a day. As tremor is a kind of involuntary oscillation of the related body parts with a relatively fixed frequency and amplitude. If tremor data are recorded only for a brief time periods, the entire pathological state will not be understood completely, and also make it difficult for doctors to prescribe medicine. In order to continuously record tremor data, we presents a small-size, low-power, and long-term tremor data portable recording system, which is based on ATMEL Atmeg16L microcontroller, flash memory, and three-axis accelerometer. After collection, data can be transferred to host computer (PC) for further processing . Analysis including tremor frequency and intensity based on entire tremor waveform ,which can be used to offer the judgement and treatment of tremor.

　　For this reason, this study presents a recording system, which can long-term record full-wave data of tremor and transferred to PC for further analysis. The system developed in this research has the following features:
- recording tremor data from 3-channel
- with A/D sampling rate of 100Hz/channel
- long recording time up to 11.65 hours(2byte/channel)
- save recording data to flash memory(64Mb)
- transfer recording data to PC via RS-232 interface
- battery-powered (3V)
- low power consumption (4.1mA)
- small size and low cost

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