发送器TX加扰加密模块 接收器RX解扰解密模块
![发送器TX加扰加密模块 接收器RX解扰解密模块 13 Transmitter TX scrambling encryption module Receiver RX descrambling decryption module](https://i0.wp.com/ivcan.com/wp-content/uploads/Transmitter-TX-scrambling-encryption-module-Receiver-RX-descrambling-decryption-module.webp?resize=1020%2C1020&ssl=1)
请不要与陌生人分享 FPV 视频, 是时候加密视频了!
目录
特征
- 轻量化设计
- 配对使用 (在 FPV 发射器上添加一个, 另一个添加在视频接收器上)
视频加密原理
采集CVBS视频并进行AD (模拟转数字) 转换, 通过FPGA对转换后的数字信号进行加密, 重新处理视频图像, 然后输出给DA (数模转换) 转换, 并将其转换为标准CVBS输出至发射机.
![发送器TX加扰加密模块 接收器RX解扰解密模块 Video Encryption Principle for Transmitter TX scrambling encryption module Receiver RX descrambling decryption](https://i0.wp.com/ivcan.com/wp-content/uploads/Video-Encryption-Principle-for-Transmitter-TX-scrambling-encryption-module-Receiver-RX-descrambling-decryption.webp?resize=1020%2C369&ssl=1)
视频解密原理
我们将接收端接收到的CVBS视频信号转换成AD (模拟转数字), 通过FPGA对转换后的数字信号进行解密, 重新处理视频图像, 然后输出给DA (数模转换) 转换, 并将其转换为标准CVBS输出到显示器.
参数设置
1: 打开配置软件, 找到对应的串口号, 选择并打开串口,然后单击 “读” 读取当前设备参数.
![发送器TX加扰加密模块 接收器RX解扰解密模块 vcan2008 parameter setting for video encryption module](https://i0.wp.com/ivcan.com/wp-content/uploads/vcan2008-parameter-setting-for-video-encryption-module.webp?resize=902%2C281&ssl=1)
2: 选择 “争夺” 要么 “解扰” 模式并输入所需的加扰或解扰序列.
![发送器TX加扰加密模块 接收器RX解扰解密模块 module and seed of CVBS scrambling assistant](https://i0.wp.com/ivcan.com/wp-content/uploads/module-and-seed-of-CVBS-scrambling-assistant.webp?resize=857%2C304&ssl=1)
3: 按 “写” 写入数据.
![发送器TX加扰加密模块 接收器RX解扰解密模块 write seed of CVBS scrambling assistant](https://i0.wp.com/ivcan.com/wp-content/uploads/write-seed-of-CVBS-scrambling-assistant.webp?resize=358%2C405&ssl=1)
硬件连接
加扰引脚定义
![发送器TX加扰加密模块 接收器RX解扰解密模块 FPV TX transmitter connection for Transmitter TX scrambling encryption module Receiver RX descrambling decryption](https://i0.wp.com/ivcan.com/wp-content/uploads/FPV-TX-transmitter-connection-for-Transmitter-TX-scrambling-encryption-module-Receiver-RX-descrambling-decryption.webp?resize=1020%2C942&ssl=1)
解扰引脚定义
![发送器TX加扰加密模块 接收器RX解扰解密模块 FPV RX receiver connection for Transmitter TX scrambling encryption module Receiver RX descrambling decryption](https://i0.wp.com/ivcan.com/wp-content/uploads/FPV-RX-receiver-connection-for-Transmitter-TX-scrambling-encryption-module-Receiver-RX-descrambling-decryption.webp?resize=1020%2C986&ssl=1)
故障排除
特殊情况说明: 由于摄像机视频幅度的差异, 视频发射器, 以及不同厂家生产的视频接收器, 使用过程中视频亮度可能不够. 如果发生这种情况, 请按照以下步骤修改模块.
1. 首先将电阻上的电阻去掉 “1” 位置.
![发送器TX加扰加密模块 接收器RX解扰解密模块 troubleshooting for Transmitter TX scrambling encryption module Receiver RX descrambling decryption](https://i0.wp.com/ivcan.com/wp-content/uploads/troubleshooting-for-Transmitter-TX-scrambling-encryption-module-Receiver-RX-descrambling-decryption.webp?resize=1020%2C563&ssl=1)
2.如果视频幅度仍然不够, 去掉电阻上 “2” 头寸并做空.
总重量
![发送器TX加扰加密模块 接收器RX解扰解密模块 Transmitter TX scrambling encryption module Receiver RX](https://i0.wp.com/ivcan.com/wp-content/uploads/Transmitter-TX-scrambling-encryption-module-Receiver-RX-descrambling-decryption-module-4-gram.webp?resize=1020%2C1020&ssl=1)
![发送器TX加扰加密模块 接收器RX解扰解密模块 CVBS scrambling assistant](https://i0.wp.com/ivcan.com/wp-content/uploads/CVBS-scrambling-assistant.webp?resize=1000%2C802&ssl=1)
请联系我们下载CVBS加扰助手软件.
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