Transmission data are modulated into symbols using a modulation schema, said symbols then being encoded to convolution-coded transmission symbols.
使用调制方案将发送数据调制为符号，然后所述符号被编码为卷积编码发送符号。
Transmission of wavelet coded images over lossy packet networks presents an image reconstruction problem.
在丢包信道中传输子波编码图像时，存在图像重构问题。
As a new communication technology, PPM (pulse position modulation) technology can be easily coded, and has a high efficiency of energy transmission.
PP M脉冲位置调制通信技术作为一种新兴的通信技术，具有编码简单、能量传输效率高的优点。
Our research has showed that SPIHT performs better than JPEG while the underwater images are coded in low bit rate. SPIHT also has a good progressive transmission characteristic.
并指出基于小波变换的SPIHT编码算法具有对水下图像低比特率编码性能好、可以与纠错技术结合使用等特点。
First, a short description of applying interblock memory to turbo coded MIMO transmission system is given.
首先，我们先简单描述如何应用区码记忆在涡轮编码多输入多输出传输系统。
In other words, coded packet is less sensitive to loss, which indicates its possibility to improve transmission reliability.
也就是说，编码数据包对丢包较不敏感，因而有助于提升传输的可靠性。
Compared with usual method adapting the pulse transmission of serial coded mode, it is more reliable and more accurate, the circuit design is simple and easy to be repaired.
其设计思想先进，比通常采用串行编码方式传送脉冲的方法可靠性好、准确度高，且线路简单、容易维护。
In DVB satellite transmission system used QPSK, using QAM cable transmission, terrestrial transmission using COFDM (coded orthogonal frequency division multiplexing) way.
在DVB系统中卫星传输采用QPSK，有线传输采用QAM方式，地面传输采用COFDM(编码正交频分复用)方式。
Aiming at the requirement for reliability and very high data rate transmission for broadband wireless communication, a LDPC coded MIMO-OFDM system model was proposed.
针对宽带无线通信系统对高可靠性和高速率数据传输的要求，本文介绍了一种基于LDPC码的MIMO - OFDM宽带无线通信系统模型。
According to the invention, original information is coded in a main channel and a sub channel to generate a signal for transmission, the sub channel being more robust with regard to channel effects.
为了产生要传输的信号，将原始信息编码成为主信道和副信道，其中副信道比主信道对信道干扰更具鲁棒性。
This paper analyzes the characteristic and deficiency of the external coded spot message transmission system. Then, it provides a new method of computer coded spot message transmission system.
首先分析了采用外部编码方式的叠加点式信息发送系统的特点和不足之处，然后提出了由计算机对点式信息统一管理的微机化叠加点式信息发送系统的新方案。
This paper analyzes the characteristic and deficiency of the external coded spot message transmission system. Then, it provides a new method of computer coded spot message transmission system.
首先分析了采用外部编码方式的叠加点式信息发送系统的特点和不足之处，然后提出了由计算机对点式信息统一管理的微机化叠加点式信息发送系统的新方案。
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