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以SPCE061A單片機為核心

以SPCE061A單片機為核心，通過DDS合成技術設計制作了一個步進值能任意調節的多功能信號源。該信號源在1KHz～10MHz范圍能輸出穩定可調的正弦波，并具有AM、FM、ask和PSK等調制功能。信號輸出部分采用低損耗電流反饋型寬帶運放作電壓放大，很好地解決了帶寬和帶負載能力的要求。系統帶中文顯示和鍵盤控制功能，操作簡便，實現效果良好。

標簽： SPCE 061A 061 單片機

上傳時間： 2014-01-17

上傳用戶：趙云興
調制的代碼

調制的代碼，包含FSK,ask等多種調制方式。

標簽： 調制代碼

上傳時間： 2015-12-09

上傳用戶：壞天使kk
This project aim was to build wireless software modem for data communication between two computers

This project aim was to build wireless software modem for data communication between two computers using an acoustic interface in the voice frequency range (20Hz– 20,000Hz). The transmitting antenna is a speaker (frequency response of: 90Hz – 20,000Hz) and the receiving antenna is a microphone (frequency response of: 100Hz – 16,000Hz). The test files used as information files were text files. This goal was attained both in an incoherent scheme and in a coherent scheme. Build under Matlab code, our modem uses OFDM (orthogonal frequency division multiplexing) modulation, synchronization by LMS sequence, channel estimation (no equalizer) via pilot tones. The symbols are either PSK or ask for a constellation size of 2 or 4. To optimize the probability of error, these symbols were mapped using Gray mapping. Report

標簽： communication computers software wireless

上傳時間： 2014-05-29

上傳用戶：wangdean1101
These listed libraries are written in WTL. But it s really hard to mix both MFC & WTL together. Obvi

These listed libraries are written in WTL. But it s really hard to mix both MFC & WTL together. Obviously, it s not reasonable to ask a developer or a team to giving up MFC and move to the WTL world just because there were some great controls or visual Frameworks written in WTL (there are many things that should be considered especially in a company with hundreds of developers like the company I work for). Unfortunately, there was no such good and free visual Framework in MFC until now. Whatever difficulties there are, I still desire to be able to use them and now my effort is here to be shared with you. Under the Hood

標簽： libraries WTL together written

上傳時間： 2013-12-18

上傳用戶：wcl168881111111
This little Program allows you to send commands to the CardReader (CT-BCS) or to the Card itself. F

This little Program allows you to send commands to the CardReader (CT-BCS) or to the Card itself. First you will be ask to what Port the Reader is connected (0=COM1, 1=COM2). Then the Class-Byte (CLA), Instruction-Byte (INS), Parameter 1 (P1), Parameter 2 (P2). If wou don愒 want to send Parameter 3 (P3) press Ctrl-d (^d). If you enter a number then you have to the Bytes of the Datafield. After the last Byte of the Datafield is entered the whole APDU is send the replay is displayed. After that you can send the next APDU.

標簽： CardReader the commands to

上傳時間： 2016-04-23

上傳用戶：nanxia
這是利用matlab7.0軟件對通信信號進行調制simulink仿真

這是利用matlab7.0軟件對通信信號進行調制simulink仿真，它包括am,pm,fm,ask,psk,fsk,qpsk等調制方式，有利于學生自學和老師教學！

標簽： simulink matlab 7.0 軟件

上傳時間： 2016-05-07

上傳用戶：hanli8870
This folder has some scritps that you may find usefull. All of it comes from questions that I ve r

This folder has some scritps that you may find usefull. All of it comes from questions that I ve received in my email. If you have a new request/question, feel free to send it to marceloperlin@gmail.com. But please, don t ask me to do your homework. Passing_your_param0 This folder contains instructions (and m files) for passing you own initial parameters to the fitting function. I also included a simple simulation script that will create random initial coefficients (under the proper bounds) and fit the model to the data.

標簽： that questions scritps usefull

上傳時間： 2013-12-28

上傳用戶：netwolf
以SPCE061A單片機為核心

以SPCE061A單片機為核心，通過DDS合成技術設計制作了一個步進值能任意調節的多功能信號源。該信號源在1KHz～10MHz范圍能輸出穩定可調的正弦波，并具有AM、FM、ask和PSK等調制功能

標簽： SPCE 061A 061 單片機

上傳時間： 2014-01-12

上傳用戶：daoxiang126
一款用JAVA制作開發的小型聊天軟件

一款用JAVA制作開發的小型聊天軟件，里面附有安裝程序和JAVA源代碼。 Visual Chat 1.91 Developer Edition - Customize the Visual Chat code regarding your own requirements - Use customchatdev.html for developing / testing - Create .jar and .cab-files containing client-specific .class-files and the images-folder (use zip and cabarc compressing tools) - Adapt the customchat.html file - Upload all the files to your webserver - Start the ChatServer by invoking java at.ac.uni_linz.tk.vchat.ChatServer [port [server-key]] from your commandline - I kindly ask you to leave copyright and credit information in the InfoPanel.class as it is - but you are invited to add your own text. In case of violations I will consider excluding this class from the source in the future.

標簽： JAVA 軟件

上傳時間： 2014-09-06

上傳用戶：龍飛艇
fpga很有價值的27實例

fpga很有價值的27實例，包括步進電機定位控制系統VHDL程序與仿真、ask調制與解調VHDL程序及仿真、TLC7524接口電路程序等非常實用。

標簽： fpga 價值

上傳時間： 2016-08-12

上傳用戶：璇珠官人