The speech data encoded in an error detection code and an error correction code is transmitted. On a receiving side, the data with an error detected in either one of decoding of the error correction code and CRC checking is interpolated so that it is possible to prevent the data which ...
1.3.3 XOR Block Check(Using RAID 4 as an example) 原数据 误差数据的修复 前四行为原数据,第五行为XOR,为前四行的奇偶校验行;假设第四行数据出现了错误,那么只需要将前三行与XOR行进行逻辑乘就可以回复原始第四行数据。 3.Cyclic Redundancy Check (CRC)-循环冗余校验 3.1数学描述 发送方: G(x)generator...
the next section attempts to provide a well-defined parameterized model for CRC algorithms. To refer to a particular algorithm, we need then simply specify the algorithm in terms of parameters to the model.
ERRORS WITH AN ODD NUMBER OF BITS: We can catch all corruptions where E has an odd number of bits by choosing a G that has an even number of bits. To see this, note that 1) CRC multiplication is simply XORing a constant value into a register at various offsets, 2) XORing is simpl...
For SEU mitigation in Stratix iv GX device, I enabled ''Enable error detection CRC" from Device and Pin Options in Quartus II 13.1. But while synthesis got the error message that " Error(21216): Cannot enable error detection cyclic redundancy check without instantiating the ALTERA_CRCERROR_VE...
Functions: crcConfig, crcGenerate, and crcDetect Create a configuration object by using the crcConfig function. To generate CRC code bits and append them to input data, call the crcGenerate function specifying an input message and the CRC configuration object. To detect errors in input data usin...
Error code detection commands crc-error bit-error-ratio algorithm-parameter Use crc-error bit-error-ratio algorithm-parameter to configure the bit error ratio calculation factors for an interface. Use undo crc-error bit-error-ratio algorithm-param...
FPGA无法正常工作,现在解决办法是通过LC滤波将CRC_ERROR去除,不输出,这样FPGA可以正常工作。Active high signal that indicates that the error detection circuit has detected errors in the configuration SRAM bits. This pin is optional and is used when the CRC error detection circuit is enabled. 从这边...
原文网址http://www.repairfaq.org/filipg/LINK/F_crc_v3.html 2 2. Introduction: Error Detection 2 3. The Need For Complexity 4 4. The Basic Idea Behind CRC Algorithms 5 5. Polynomial（多项式） Arithmetic 7 Chapter 6 Binary Arithmetic with No Carries 10 Chapter 7 A Ful...
用C编程语言提供了模型CRC算法的低速实现。最后,有一节给出了两种形式的高速表驱动实现,并提供了一个生成CRC查找表的程序。 1. 介绍: 错误检测 The aim of an error detection technique is to enable the receiver of a message transmitted through a noisy (error-introducing) channel to determine whether th...