與上一個上傳源碼屬同一問題的不同方面，均為用matlab來實(shí)現(xiàn)am調(diào)制與解調(diào)，以及仿真實(shí)現(xiàn)。
上傳時間： 2015-12-02
上傳用戶：JasonC
與上一個上傳源碼屬同一問題的不同方面，均為用matlab來實(shí)現(xiàn)am調(diào)制與解調(diào)，以及仿真實(shí)現(xiàn)。
上傳時間： 2015-12-02
上傳用戶：朗朗乾坤
與先前上傳的文件一樣，為通信系統(tǒng)中am調(diào)制與解調(diào)的matlab程序?qū)崿F(xiàn)，并仿真實(shí)現(xiàn)，程序各行均有完整的說明，簡明易懂！
標(biāo)簽：
上傳時間： 2015-12-02
上傳用戶：kr770906
以SPCE061A單片機(jī)為核心，通過DDS合成技術(shù)設(shè)計制作了一個步進(jìn)值能任意調(diào)節(jié)的多功能信號源。該信號源在1KHz～10MHz范圍能輸出穩(wěn)定可調(diào)的正弦波，并具有AM、FM、ASK和PSK等調(diào)制功能。信號輸出部分采用低損耗電流反饋型寬帶運(yùn)放作電壓放大，很好地解決了帶寬和帶負(fù)載能力的要求。系統(tǒng)帶中文顯示和鍵盤控制功能，操作簡便，實(shí)現(xiàn)效果良好。
標(biāo)簽： SPCE 061A 061 單片機(jī)
上傳時間： 2014-01-17
上傳用戶：趙云興
講述了未來收音機(jī)的發(fā)展前景。FM可能將會被DAB取代，AM可能將會被DRM取代。
上傳時間： 2015-12-06
上傳用戶：youth25
This article describes a sniffer for Windows. WinSniff is an application for capturing packets on the network. It displays all the packets that are transmitted on the local network and gives detailed information about each header in the packet. In order to keep it simple, I am not dealing with application level protocols. If you are interested, you can add features to support various application level protocols such as SMTP, FTP, NETBIOS etc
標(biāo)簽： application describes capturing for
上傳時間： 2016-01-22
上傳用戶：lijianyu172
*--- --- --- --聲明--- --- --- -----*/ /* VC6.0下運(yùn)行通過 此程序?yàn)楸救丝嘈乃觯埬陂喿x的時候，尊重本人的 勞動。可以修改，但當(dāng)做的每一處矯正或改進(jìn)時，請將改進(jìn) 方案，及修改部分發(fā)給本人 (修改部分請注名明：修改字樣) Email: jink2005@sina.com QQ: 272576320 ——初稿完成：06-5-27 jink2005 補(bǔ)充： 程序存在問題： (1) follow集不能處理：U->xVyVz的情況 (2) 因本人偷懶，本程序?yàn)榧尤胛姆ㄅ袛啵? 輸入的文法必須為LL(1)文法 (3) 您可以幫忙擴(kuò)充：消除左遞歸，提取公因子等函數(shù) (4) …… */ /*-----------------------------------------------*/ /*參考書《計算機(jī)編譯原理——編譯程序構(gòu)造實(shí)踐》 LL(1)語法分析,例1: ERTWF# +*()i# 文法G[E]:(按此格式輸入) 1 E -> TR 2 R -> +TR 3 R -> 4 T -> FW 5 W -> * FW 6 W -> 7 F -> (E) 8 F -> i 分析例句：i*(i)# , i+i# 例2： 編譯書5.6例題1 SHMA# adbe# S->aH H->aMd H->d M->Ab M-> A->aM A->e 分析例句：aaabd# */
上傳時間： 2016-02-08
上傳用戶：ayfeixiao
SDP, Service Delivery Platform, is more for telecom operators who want to manage the Data Service better delivered to the end device users by bridging with back-end content providers. Operators rely on the content provider to create & distribute data content to different types of devices. This is different from the open world in the internet communication. Operators must control who can access what content based on his rate plans. Also, based the content access results, the process will be recorded as the transaction records based on which billing statements can be generated to collected the money and shared by operators and content providers. I am working on the conceptual architecture level and the real implementation is very complicated due to too many types of service from different content providers to different types of devices based on the different types of the rate plans.
標(biāo)簽： Service operators Delivery Platform
上傳時間： 2016-03-10
上傳用戶：zycidjl
SDP, Service Delivery Platform, is more for telecom operators who want to manage the Data Service better delivered to the end device users by bridging with back-end content providers. Operators rely on the content provider to create & distribute data content to different types of devices. This is different from the open world in the internet communication. Operators must control who can access what content based on his rate plans. Also, based the content access results, the process will be recorded as the transaction records based on which billing statements can be generated to collected the money and shared by operators and content providers. I am working on the conceptual architecture level and the real implementation is very complicated due to too many types of service from different content providers to different types of devices based on the different types of the rate plans.
標(biāo)簽： Service operators Delivery Platform
上傳時間： 2013-12-03
上傳用戶：yph853211
【下載說明】 這里提供給大家的是《Embedded Linux: Hardware, Software, and Interfacing》（嵌入式 Linux---硬件、軟件與接口）一書的英文原版CHM格式下載。 【作者簡介】 Craig Hollabaugh has been fascinated by electronics since he bought an AM radio in elementary school. He was first exposed to Unix during a cross-country talk session in 1985. Later, he administered networked Sun and DEC workstations while pursuing a doctoral degree in electrical engineering at Georgia Institute of Technology. 【內(nèi)容提要】 本書通過一個冬季旅游勝地自動化管理項目實(shí)例，從軟件、硬件和接口的觀點(diǎn)介紹嵌入式Linux。引入項目需求后，作者講述了開發(fā)環(huán)境的建立，接著用一系列軟硬件接口實(shí)例展示了如何使用異步串行通信、PC并口、USB、內(nèi)存I/O、同步串行通信以及中斷，等等。最后介紹了將前面所有的工作有機(jī)地組織在一起的系統(tǒng)集成過程。本書以實(shí)際應(yīng)用為導(dǎo)向，書中整個項目的實(shí)施過程和軟硬件接口實(shí)例都具實(shí)踐指導(dǎo)意義。
標(biāo)簽： Linux Interfacing Embedded Hardware
上傳時間： 2014-01-22
上傳用戶：shus521
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