Ettus Research USRP B200/B210 simple case

Prerequisites:   1: Install RabbitMQ as it would be used as message broker for Celery. In windows, it would create a service, make sure the service is started.  2: Install Celery:   pip install celery Meat and Potatoes: Senario 1: don't specify the b

Application Note Synchronization and MIMO Capability with USRP Devices Ettus Research Introduction Some applications require synchronization across multiple USRP (Universal Software Radio Peripheral) devices. Ettus Research provides several convenien

这三个月,有幸把3种板子都用到了.说说使用体会. 我用过其中的HackRF,bladeRF x115,USRP B210.我并没有仔细的测量各种板子的射频指标什么的,只是做各种实验的时候用到它们. HackRF体积最小,而且我手头这个有外壳,这是我最喜欢的地方,拿出去方便.如果谁能做一个体积更小的HackRF,我想应该很受欢迎.做一般的信号抓取,分析,发射也算够用了.不过底噪很大,本振泄露严重.有一次在一个信号比较弱的实验中,我不得不拿USRP把它替换掉.还有,半双工,这是个严重的短板啊. bl

这篇文章是 Taylor Killian 13年8月发表在自己的博客上的.他对比了三款平价的SDR平台,认为这三款产品将是未来一年中最受欢迎的SDR平台.我觉得这篇文章很有参考价值,简单翻译一份转过来.原文在这里:http://www.taylorkillian.com/2013/08/sdr-showdown-hackrf-vs-bladerf-vs-usrp.html 翻起来才发现,太长了.觉得这么长就没必要翻译了,不符合快速阅读的习惯,深度阅读的人显然应该直接看原文.但是既然开了个头,就翻

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4975 Problem Description Dragon is studying math. One day, he drew a table with several rows and columns, randomly wrote numbers on each elements of the table. Then he counted the sum of each row and col

A. 使用带有 CASE 简单表达式的 SELECT 语句Using a SELECT statement with a simple CASE expression在 SELECT 语句中,CASE 简单表达式只能用于等同性检查,而不进行其他比较. 下面的示例使用 CASE 表达式更改产品系列类别的显示,以使这些类别更易于理解. USE AdventureWorks2012; GO SELECT ProductNumber, Category = CASE ProductLine WHEN '

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SQL中Case When语句的语法如下 Simple CASE expression: CASE input_expression WHEN when_expression THEN result_expression [ ...n ] [ ELSE else_result_expression ] END Searched CASE expression: CASE WHEN Boolean_expression THEN result_expression [ ...n ] [ ELSE

http://acm.hdu.edu.cn/showproblem.php?pid=4975 A simple Gaussian elimination problem. Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 669    Accepted Submission(s): 222 Problem Description Drag