摘要：SSH 的详细使用方法如下：ssh [-l login_name] [hostname | user@hostname] [command] ssh[-afgknqtvxCPX246] [-c blowfish | 3des] [-e escape_char] [-iidentity_file] [-l login_name] [-o option] [-p port] [-Lport:host:hostport] [-R port:host:hostport] [hostname |user@hostname] [command]sshd为执行 ssh 的 daemon，在读者使用 ss.. 阅读全文

摘要：DIFFERENTIAL ENCODINGOne of the common difficulties in communications engineering is that often the same terms are used to represent different ideas. Differential Encoding is one such term. We will describe here two common ways this term is used and unless you know these differences, they can lead . 阅读全文

摘要：因為有師弟求助，要在DE2上產生一個1KHz的音頻信號，但是由於我也很久沒碰FPGA，所以昨日在DE2的資料光盤上找到一些e.g.，直接複製下來，拼了一個工程，成功產生1KHz的信號。硬件就是用FPGA控制WM8731音頻的IC，產生一個1KHz的音頻信號。語言使用Verilog 描述語言Besause a junior student ask for help. He want to generate a1KHz audio signal by DE2 borad. But in fact, I have not used FPGAfor a long time. So I find so. 阅读全文

摘要：因為好久沒弄FPGA，最近安裝USB-Blaster驅動在WIN7下和XP不同，記錄一下Step 1在設備和打印機中找到為正常安裝的驅動USB-BlasterStep 2單擊打開屬性標籤Step 3單擊屬性以後，選擇更新驅動程序Step 4單擊瀏覽計算機以查找驅動設備程序軟件Step 5選擇好路徑，就可以安裝了 阅读全文