作者查詢 / youwin0125

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[問題] 關於Mathcad
[ Electronics ]1 留言, 推噓總分: +1
作者: scorpion3 - 發表於 2009/12/18 22:19(14年前)
1Fyouwin0125:http://ppt.cc/TL!Z 官方網站 支援作業平台 沒有win712/18 23:40
[問題] 50歐姆阻抗的歷史問題
[ comm_and_RF ]3 留言, 推噓總分: +2
作者: jim0730 - 發表於 2009/12/17 16:37(14年前)
1Fyouwin0125:4193 ^^220.228.151.221 12/17 17:00
[問題] LM386 LM324
[ Electronics ]6 留言, 推噓總分: +3
作者: ok456 - 發表於 2009/12/15 20:49(14年前)
3Fyouwin0125:http://ppt.cc/VSJz12/16 09:46
4Fyouwin0125:http://mural.uv.es/gislo/Proyectos/LM386.lib12/16 09:47
5Fyouwin0125:http://www.vtalkback.com/blog/article.asp?id=8712/16 09:47
6Fyouwin0125:http://ppt.cc/It4F12/16 09:48
[問題] 請問國內有那幾家電源轉換器公司?
[ Electronics ]14 留言, 推噓總分: +5
作者: Jazzmusic - 發表於 2009/12/15 20:37(14年前)
5Fyouwin0125:樓上 XD12/16 09:50
6Fyouwin0125:硬體RD的怨念 XD12/16 09:51
[問題] 去CIC量測晶片S參數檔案問題?
[ comm_and_RF ]17 留言, 推噓總分: +9
作者: rebber - 發表於 2009/12/15 18:31(14年前)
2Fyouwin0125:能不能整個檔案放上來呢220.130.50.223 12/15 19:52
3Fyouwin0125:怎麼只有111行 不是有 201點嗎220.130.50.223 12/15 19:52
5Fyouwin0125:1G ~ 21G 0.1G 1個點 201點220.130.50.223 12/15 19:54
7Fyouwin0125:DATA 那邊寫的是 s2p沒錯220.130.50.223 12/15 19:55
8Fyouwin0125:不過是全部擠成一column220.130.50.223 12/15 19:57
9Fyouwin0125:所以應該有 201 x 4 行220.130.50.223 12/15 19:57
14Fyouwin0125:以上都是神 XD220.130.50.223 12/16 09:36
[啾團] (咦?) 12/27 板聚 確定版 要報名的要快喔~
[ Facebook ]269 留言, 推噓總分: +157
作者: evaj - 發表於 2009/12/15 17:27(14年前)
37Fyouwin0125: 竟~阿力斯有什麼秘密呢~~~~ 沒照顧長ID12/15 19:03
[問題] 我在研究盲人輔助器材,想問一下科技上的可能性
[ comm_and_RF ]47 留言, 推噓總分: +5
作者: markmcm - 發表於 2009/12/14 15:17(14年前)
9Fyouwin0125:請問您的研究是要做到什麼程度60.250.209.199 12/16 20:47
10Fyouwin0125:程式自己寫?? 硬體也要自己做??60.250.209.199 12/16 20:48
11Fyouwin0125:還是只是稍微demo個想法 不用整套做好60.250.209.199 12/16 20:49
12Fyouwin0125:學士專題? 碩士論文? 還是課程project?60.250.209.199 12/16 20:50
15Fyouwin0125:超音波 倒車雷達 http://ppt.cc/Z-bT114.43.189.203 12/16 23:20
16Fyouwin0125:微波測距 http://ppt.cc/N~lp114.43.189.203 12/16 23:47
17Fyouwin0125:手機似乎試用時間編碼方式114.43.189.203 12/16 23:48
18Fyouwin0125:送給對方自己的時間114.43.189.203 12/16 23:49
19Fyouwin0125:收到的人 再對自己的時間 除以波速114.43.189.203 12/16 23:49
20Fyouwin0125:另外還有GPS定位114.43.189.203 12/16 23:50
21Fyouwin0125:最主要要解決的是 球員不只一個114.43.189.203 12/16 23:50
22Fyouwin0125:如何分別去判斷個人有無對準方向114.43.189.203 12/16 23:51
23Fyouwin0125:及每個人的遠近114.43.189.203 12/16 23:51
24Fyouwin0125:如果處理器在球門 可能球員就要編碼114.43.189.203 12/16 23:52
25Fyouwin0125:如果處理器在球員身上 可自己分別處理114.43.189.203 12/16 23:52
26Fyouwin0125:對球門送過來的訊息114.43.189.203 12/16 23:52
27Fyouwin0125:再來要處理的是方向性問題114.43.189.203 12/16 23:52
28Fyouwin0125:超音波跟電磁波都是 球面波114.43.189.203 12/16 23:53
29Fyouwin0125:會散到場中任何一個位置 不能判斷方向114.43.189.203 12/16 23:54
30Fyouwin0125:所以要做集中角度的 發射器及接收器114.43.189.203 12/16 23:55
31Fyouwin0125:上面推文 說使用影像辨識 也無不可114.43.189.203 12/16 23:56
32Fyouwin0125:不過處理影像 需要更大的電腦資源114.43.189.203 12/16 23:56
33Fyouwin0125:且球員身上的顏色 或是形狀 就要統一114.43.189.203 12/16 23:56
34Fyouwin0125:而且 錄影機要多角度都要一台 才能定位114.43.189.203 12/16 23:57
35Fyouwin0125:至於游泳 難度在於 水中能使用的材料114.43.189.203 12/16 23:58
36Fyouwin0125:光跟電磁波 在水中很快就會損耗掉114.43.189.203 12/16 23:58
37Fyouwin0125:所以才會有超低頻的振動波 聲納114.43.189.203 12/16 23:59
38Fyouwin0125:不過他也是球面波 所以也會散的整個游114.43.189.203 12/16 23:59
39Fyouwin0125:泳池都是信號 撞到牆會反射114.43.189.203 12/16 23:59
40Fyouwin0125:且 游泳游對方向的定義是 頭到腳的直線114.43.189.203 12/17 00:01
41Fyouwin0125:指向泳池末端 所以至少也要兩個定位器114.43.189.203 12/17 00:02
42Fyouwin0125:才能知道身體是不是指向目的114.43.189.203 12/17 00:02
43Fyouwin0125:紅外線 跟雷射光 有方向性114.43.189.203 12/17 00:08
44Fyouwin0125:所以偵測是否有對準方向114.43.189.203 12/17 00:09
45Fyouwin0125:但是也要球員 身上的感應器 完全對準114.43.189.203 12/17 00:09
46Fyouwin0125:不能蹲 也不能跳 彎腰 之類的114.43.189.203 12/17 00:10
47Fyouwin0125:測距論文10篇 http://ppt.cc/Fy;h114.43.189.203 12/17 00:10
[問題] 請問買電容??
[ Electronics ]16 留言, 推噓總分: +5
作者: vcsd - 發表於 2009/12/11 11:10(14年前)
10Fyouwin0125:別忘記PCB也有寄生電容 實做誤差不小12/11 18:00
Re: [問題] 聲控ic
[ Electronics ]2 留言, 推噓總分: +2
作者: jfsu - 發表於 2009/12/09 13:23(14年前)
1Fyouwin0125:推^^12/09 14:35
[問題] 雙二次電路
[ Electronics ]6 留言, 推噓總分: +3
作者: gn01216674 - 發表於 2009/12/09 00:01(14年前)
3Fyouwin0125:http://en.wikipedia.org/wiki/Biquad_filter12/09 10:15
4Fyouwin0125:biquad filter has a transfer function that12/09 10:16
5Fyouwin0125:is the ratio of two quadratic functions12/09 10:16