
循環冗贅核對
The CRC, or cyclic redundancy check, is a mathematical computation that is added to ensure that the frame is not corrupted.
循環冗餘校驗(CRC)是一種數學計算,加上它是為了使接收方确信幀沒有遭到破壞。
This paper presents the mathematical model and coding principle of cyclic redundancy check, and show the software implementation.
論述了循環冗餘校驗的數學模型以及編碼原理,并給出了軟件的實現方法。
This paper puts forward three table-based software algorithms to create cyclic redundancy check(CRC) code, and analyses efficiency of the algorithms.
本文提出了基于字節查表生成循環冗餘校驗碼(CRC碼)的三種軟件算法,并對其效率進行了分析。
Cyclic redundancy check(CRC) is of a side application in the digital communications technology.
循環冗餘校驗在數字通信技術中有着廣泛的應用。
Cyclic redundancy check (CRC) values are computed for critical data structures, improving the odds of detection of data corruption.
循環冗餘檢驗(CRC)值針對關鍵數據結構計算,提高了數據崩潰的探測幾率。
Cyclic Redundancy Check, detects files that are corrupt or possibly infected by a virus.
循環冗餘校驗,偵測檔案是舞弊或可能感染了病毒。
For its ****** coding and low rate of error identification, the Cyclic Redundancy Check(CRC) is widely used in digital communication system.
循環冗餘校驗CRC由于編碼簡單、誤判概率低,在通信系統中得到了廣泛的應用。
Embodiments of the invention are generally directed to systems, methods, and apparatuses for improving latency by offsetting cyclic redundancy check lanes from data.
本發明的實施例一般涉及用于通過使循環冗餘校驗線路相對于數據偏移來改善等待時間的系統、方法和設備。
For the rate reduction induced by using cyclic redundancy check(CRC) in coded cooperation, an improved threshold selection relaying scheme is proposed for coded cooperation.
針對編碼協作中采用循環冗餘校驗(CRC)方案會降低系統傳輸速率的問題,提出了一種改進的門限選擇中繼方案。
This function allocates space for the RAM disk, calculates the cyclic redundancy check (CRC), and then uncompresses and loads the RAM disk image into memory.
這個函數負責為RAM磁盤分配空間,并計算循環冗餘校驗碼(CRC),然後對RAM磁盤映像進行解壓,并将其加載到内存中。
According to the complexity, symbol-error-rate(SER)and power allocation scheme, the comparison with DF using cyclic redundancy check(CRC), DF without CRC and AF is proposed in the paper.
本文從複雜度、誤碼率性能與功率分配方案三個方面針對沒有采用循環冗餘檢驗(CRC)的DF、有CRC的DF、AF方式進行比較。
In the software part, the working flow of the system is introduced first. And then the two key technologies, Cyclic Redundancy Check (CRC) method and Anti-Collision method are presented.
在軟件部分首先介紹了整個系統的工作流程,然後對兩項關鍵技術:循環冗餘校驗(CRC)法和防碰撞法進行了闡述。
BLER is measured after channel de-interleaving and decoding by evaluating the Cyclic Redundancy Check (CRC) on each transport block.
在經過信道交叉以及對每個傳輸塊的CRC(自循環冗餘檢測)評估譯碼後,進行BLER檢測。
Layer2 frame cannot be processed by a receiver until all bits have been received by the receiver and a cyclic redundancy check( CRC) has been performed.
二層的幀必須等到所有比特全部接收通過CRC(環冗餘校驗)驗後才能被處理。
A Layer 2 frame cannot be processed by a receiver until all bits have been received by the receiver and a cyclic redundancy check (CRC) has been performed.
二層的幀必須等到所有比特全部接收通過CRC(循環冗餘校驗) 效驗後才能被處理。
Absrtact: Cyclic redundancy check(CRC) is widely used in communication and data storage because of high dependability and easy of realization.
摘 要:循環冗餘校驗(CRC)是一種編碼簡單且有效的串行數據校驗方法,在通信及計算機數據存儲中得到了廣泛應用。
The full name of CRC is Cyclic Redundancy Check, which is characterized by: Error ability, overhead small.
CRC的全稱是循環冗餘校驗,其特點是:檢錯能力極強,開銷小。
Cyclic Redundancy Check Code;
循環冗餘校驗碼;
In order to improve the communication of single-chip microcomputers, we designed an algorithm of CRC(Cyclic Redundancy Check).
為了提高單片機之間的通信速度,設計了一種循環冗餘碼校驗CRC (Cyclic Redundancy Check)算法。
Based on the principle and algorithm of cyclic redundancy code(CRC) check and the principle of division that follows the rules of module2, the general coding circuit of the CRC is generated.
文章在介紹CRC算法原理的基礎上,根據除法原理的模2法則構造出通用的CRC編碼電路。
A cyclic code with minimum redundancy used to check errors in a set of characters.
一種用于檢查一組字符的錯誤、并且具有最小冗餘度的循環碼。
Also, AAL5 calculates a 32-bit cyclic redundancy check (CRC) over the entire AAL5 protocol data unit to detect cell loss and the incorrect ordering or incorrect insertion of cells.
此外,AAL5為整個AAL5協議數據單元計算出一個32位的循環冗餘校驗碼來檢測信元丢失和錯誤的信元順序或被錯誤插入的信元。
Checksum computes a 32-bit cyclic redundancy check (CRC) on the entire row image on the page.
校驗和對頁上的整個行圖像上計算32位循環冗餘檢查(CRC)。
In this paper, it stu***s one of the error-check controls of the communications of computers network-Cyclic Redundancy Check(CRC).
在計算機網絡通信中,為了降低數據通信線路傳輸的誤碼率,可以采用一種差錯檢測控制———循環冗餘碼校驗(CRC)。
循環冗餘校驗(Cyclic Redundancy Check,CRC)是一種基于多項式除法的錯誤檢測技術,廣泛應用于數字通信和存儲系統中,用于驗證數據傳輸或存儲過程中是否發生意外改動。其核心原理是通過對原始數據執行特定數學運算,生成固定長度的校驗碼(如32位CRC-32),接收端通過重新計算并比對校驗碼判斷數據完整性。
在技術實現中,CRC算法将數據視為二進制多項式,并使用預定義的生成多項式進行模2除法運算,最終餘數即為校驗碼。例如,CRC-32采用生成多項式 $$x^{32} + x^{26} + x^{23} + x^{22} + x^{16} + x^{12} + x^{11} + x^{10} + x + x + x + x + x + x + 1$$,可檢測所有單比特、雙比特錯誤及奇數位錯誤。
該技術的标準化應用包括:
權威研究指出,CRC在硬件實現效率上顯著優于其他校驗方式,例如單比特錯誤檢測僅需1個時鐘周期(來源:國際電氣電子工程師協會論文庫)。其數學嚴謹性也得到密碼學界驗證,多項研究成果發表于《IEEE信息論彙刊》。
循環冗餘校驗(Cyclic Redundancy Check,CRC)是一種廣泛應用于數據通信和存儲領域的錯誤檢測技術,主要用于驗證數據在傳輸或存儲過程中是否發生意外改動。
CRC通過數學算法生成一個固定長度的校驗碼(通常為16、32或64位)。其核心思想是将數據視為一個二進制多項式,與預定義的生成多項式進行除法運算,得到的餘數即為校驗碼。發送方将校驗碼附加到原始數據後,接收方重複計算并對比校驗碼,若不一緻則表明數據可能受損。
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對應多項式( x + x + 1 )),用生成多項式(如CRC-32的( x^{32} + x^{26} + x^{23} + dots + 1 ))進行模2除法,餘數即CRC值。不同場景使用不同的生成多項式,例如:
總結來說,CRC是一種高效、高可靠性的錯誤檢測機制,平衡了計算複雜度和錯誤檢測能力,成為數字通信和存儲系統的基石技術之一。
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