一、简介 1 整体流程设计 1.1 样本音频信号的频谱分析 1.2 对音频信号的滤波 1.3 对音频信号进行PCM编码 1.4 对编码后的信号进行汉明编码 1.5 对编码后的信号进行qpsk调制 1.6 发送信号进入AWGN信道 1.7 对接收到的信号进行qpsk解调 1.8 信道译码-汉明纠错和译 ...
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2021-06-20 18:02:32
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This time you are asked to tell the difference between the lowest grade of all the male students and the highest grade of all the female students. Inp ...
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2021-06-20 17:53:20
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1. Adding devtoolls to your project <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <scope>runt ...
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2021-06-20 17:42:40
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The current C++11 std::launch only has two modes: async or deferred. In a production system, neither is what you want: async will launch a new thread ...
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2021-06-18 18:48:54
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About two months ago we started using Rollbar to notify us of various errors in our Web App. Ever since then we have been getting the occasional error ...
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2021-06-17 16:44:39
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In my circumstances the error was due to the fact the listener did not have the db's service registered. I solved this by registering the services. Ex ...
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2021-06-16 17:56:58
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You are given two strings s and p where p is a subsequence of s. You are also given a distinct 0-indexed integer array removable containing a subset o ...
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2021-06-15 18:05:39
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2021强网杯 [强网先锋]赌徒 考点： 构造pop链 进去就一句话 I think you need /etc/hint . Before this you need to see the source code 看了看源码，看了看请求和响应，啥也没看出来 老规矩，上dirsearch 一个www ...
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2021-06-15 17:40:08
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def encode(matched, priors, variances): """Encode the variances from the priorbox layers into the ground truth boxes we have matched (based on jaccard ...
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2021-06-15 17:35:17
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You are given an array aa of nn integers. Find the number of pairs (i,j)(i<j)where the sum of ai+ajai+aj is greater than or equal to l and less than o ...
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2021-06-13 10:56:21
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