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EnCoder

編碼器(EnCoder)是將信號(如比特流)或數(shù)據(jù)進(jìn)行編制、轉(zhuǎn)換為可用以通訊、傳輸和存儲的信號形式的設(shè)備。編碼器把角位移或直線位移轉(zhuǎn)換成電信號,前者稱為碼盤,后者稱為碼尺。按照讀出方式編碼器可以分為接觸式和非接觸式兩種;按照工作原理編碼器可分為增量式和絕對式兩類。增量式編碼器是將位移轉(zhuǎn)換成周期性的電信號,再把這個電信號轉(zhuǎn)變成計數(shù)脈沖,用脈沖的個數(shù)表示位移的大小。絕對式編碼器的每一個位置對應(yīng)一個確定的數(shù)字碼,因此它的示值只與測量的起始和終止位置有關(guān),而與測量的中間過程無關(guān)。[1]
  • VHDL實現(xiàn)循環(huán)碼編碼

    VHDL實現(xiàn)循環(huán)碼編碼,設(shè)計了三個單元。switch是一個開關(guān),shifter是移位寄存器,EnCoder是主體。

    標(biāo)簽: VHDL 循環(huán)碼 編碼

    上傳時間: 2016-02-14

    上傳用戶:cainaifa

  • Computes BER v EbNo curve for convolutional encoding / soft decision Viterbi decoding scheme assum

    Computes BER v EbNo curve for convolutional encoding / soft decision Viterbi decoding scheme assuming BPSK. Brute force Monte Carlo approach is unsatisfactory (takes too long) to find the BER curve. The computation uses a quasi-analytic (QA) technique that relies on the estimation (approximate one) of the information-bits Weight Enumerating Function (WEF) using A simulation of the convolutional EnCoder. Once the WEF is estimated, the analytic formula for the BER is used.

    標(biāo)簽: convolutional Computes encoding decision

    上傳時間: 2013-12-24

    上傳用戶:咔樂塢

  • vhdl編寫

    vhdl編寫,8b—10b 編解碼器設(shè)計 EnCoder: 8b/10b EnCoder (file: 8b10b_enc.vhd) Synchronous clocked inputs (latched on each clock rising edge) 8-bit parallel unencoded data input KI input selects data or control encoding Asynchronous active high reset initializes all logic Encoded data output 10-bit parallel encoded output valid 1 clock later Decoder: 8b/10b Decoder (file: 8b10b_dec.vhd) Synchronous clocked inputs (latched on each clock rising edge) 10-bit parallel encoded data input Asynchronous active high reset initializes all logic Decoded data, disparity and KO outputs 8-bit parallel unencoded output valid 1 clock later

    標(biāo)簽: vhdl 編寫

    上傳時間: 2016-05-05

    上傳用戶:gundamwzc

  • ISO mp3 sources (distribution 10) Layer 1/2/3, C Source, 512 k Sources of the Mpeg 1,2 layer 1,2

    ISO mp3 sources (distribution 10) Layer 1/2/3, C Source, 512 k Sources of the Mpeg 1,2 layer 1,2,3 audio EnCoder and decoder distributed by the ISO group in charge of the MPEG.

    標(biāo)簽: distribution Sources sources Source

    上傳時間: 2013-12-24

    上傳用戶:來茴

  • Library and command line program for Huffman encoding and decoding both files and chunks of memory.

    Library and command line program for Huffman encoding and decoding both files and chunks of memory. The EnCoder is a 2 pass EnCoder. The first pass scans the data and builds the Huffman tree. The second pass encodes the data. The decoder is one pa

    標(biāo)簽: and encoding decoding Library

    上傳時間: 2016-06-01

    上傳用戶:zhaiye

  • Linux環(huán)境下做的x264的全部源碼

    Linux環(huán)境下做的x264的全部源碼,還有EnCoder哦!這個沒有Windows下面的工程,但是很容易手工建立。雖然不是我寫的,但確實是非常好的學(xué)習(xí)“x264”的資料

    標(biāo)簽: Linux x264 環(huán)境 源碼

    上傳時間: 2016-06-11

    上傳用戶:kytqcool

  • 最新關(guān)於ldpc硬件設(shè)計的好文章

    最新關(guān)於ldpc硬件設(shè)計的好文章,其中給出了EnCoder 及 decoder 的最近設(shè)計方案

    標(biāo)簽: ldpc 硬件

    上傳時間: 2013-12-09

    上傳用戶:朗朗乾坤

  • ADT HuffmanTree{ 數(shù)據(jù)對象:D={ai| ai∈CharSet,i=1,2,……,n, n≥0} 數(shù)據(jù)關(guān)系:R={< ai-1, ai > ai-1, ai∈D,

    ADT HuffmanTree{ 數(shù)據(jù)對象:D={ai| ai∈CharSet,i=1,2,……,n, n≥0} 數(shù)據(jù)關(guān)系:R={< ai-1, ai > ai-1, ai∈D, ai-1基本操作P: HuffmanTree() 構(gòu)造函數(shù) ~ HuffmanTree() 析構(gòu)函數(shù) Initialization(int WeightNum) 操作結(jié)果:構(gòu)造哈夫曼樹。 EnCoder() 初始條件:哈夫曼樹已存在或者哈夫曼樹已存到文件中。 操作結(jié)果:對字符串進(jìn)行編碼 Decoder() 初始條件:哈夫曼樹已存在且已編碼。 操作結(jié)果:對二進(jìn)制串進(jìn)行譯碼 Print() 初始條件:編碼文件已存在。 操作結(jié)果:把已保存好的編碼文件顯示在屏幕 TreePrinting() 初始條件:哈夫曼樹已存在。 操作結(jié)果:將已在內(nèi)存中的哈夫曼樹以直觀的方式顯示在終端上

    標(biāo)簽: ai HuffmanTree CharSet ADT

    上傳時間: 2013-12-25

    上傳用戶:changeboy

  • VHDL循環(huán)碼編碼

    VHDL實現(xiàn)循環(huán)碼編碼,設(shè)計了三個單元。switch是一個開關(guān),shifter是移位寄存器,EnCoder是主體。

    標(biāo)簽: VHDL 循環(huán)碼 編碼

    上傳時間: 2015-11-25

    上傳用戶:sosho

  • DRM023_3-Phase AC Designer Reference Manual

    This reference design describes the design of a 3-phase AC induction vector control drive with position EnCoder coupled to the motor shaft. It is based on Motorola’s DSP56F805 dedicated motor control device. AC induction motors, which contain a cage, are very popular in variable speed drives. They are simple, rugged, inexpensive and available at all power ratings. Progress in the field of power electronics and microelectronics enables the application of induction motors for high-performance drives, where traditionally only DC motors were applied. Thanks to sophisticated control methods, AC induction drives offer the same control capabilities as high performance four-quadrant DC drives.

    標(biāo)簽: Reference Designer Manual Phase DRM 023 AC

    上傳時間: 2020-06-10

    上傳用戶:shancjb

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