Digital Output in NI-DAQmx using Visual Basic 6.0
標(biāo)簽： NI-DAQmx Digital Output Visual
上傳時(shí)間： 2016-07-11
上傳用戶：yzhl1988
Signal Processing Requirements for WiMAX (802.16e) Base Station
標(biāo)簽： Requirements Processing Station Signal
上傳時(shí)間： 2013-12-22
上傳用戶：dsgkjgkjg
Free 8051 asm compiler for win new host platforms: Win32 and Linux macro processing dramatically improved conditional assembly output in Intel-HEX or OMF-51 format 37 new MCU files documentation in both ASCII and HTML format numberless small extensions and improvements bug fixes For details see the ASEM-51 Release Notes.
標(biāo)簽： dramaticall processing platforms compiler
上傳時(shí)間： 2013-12-20
上傳用戶：chongcongying
Free 8051 asm compiler for linux new host platforms: Win32 and Linux macro processing dramatically improved conditional assembly output in Intel-HEX or OMF-51 format 37 new MCU files documentation in both ASCII and HTML format numberless small extensions and improvements bug fixes For details see the ASEM-51 Release Notes.
標(biāo)簽： processing dramatica platforms compiler
上傳時(shí)間： 2014-10-28
上傳用戶：wxhwjf
Digital Signature Algorithm (DSA)是Schnorr和ElGamal簽名算法的變種，被美國(guó)NIST作為DSS(DigitalSignature Standard)。算法中應(yīng)用了下述參數(shù)： p：L bits長(zhǎng)的素?cái)?shù)。L是64的倍數(shù)，范圍是512到1024； q：p - 1的160bits的素因子； g：g = h^((p-1)/q) mod p，h滿足h < p - 1, h^((p-1)/q) mod p > 1； x：x < q，x為私鑰 ； y：y = g^x mod p ，( p, q, g, y )為公鑰； H( x )：One-Way Hash函數(shù)。DSS中選用SHA( Secure Hash Algorithm )。 p, q, g可由一組用戶共享，但在實(shí)際應(yīng)用中，使用公共模數(shù)可能會(huì)帶來一定的威脅。簽名及驗(yàn)證協(xié)議如下： 1. P產(chǎn)生隨機(jī)數(shù)k，k < q； 2. P計(jì)算 r = ( g^k mod p ) mod q s = ( k^(-1) (H(m) + xr)) mod q 簽名結(jié)果是( m, r, s )。 3. 驗(yàn)證時(shí)計(jì)算 w = s^(-1)mod q u1 = ( H( m ) * w ) mod q u2 = ( r * w ) mod q v = (( g^u1 * y^u2 ) mod p ) mod q 若v = r，則認(rèn)為簽名有效。 DSA是基于整數(shù)有限域離散對(duì)數(shù)難題的，其安全性與RSA相比差不多。DSA的一個(gè)重要特點(diǎn)是兩個(gè)素?cái)?shù)公開，這樣，當(dāng)使用別人的p和q時(shí)，即使不知道私鑰，你也能確認(rèn)它們是否是隨機(jī)產(chǎn)生的，還是作了手腳。RSA算法卻作不到。
標(biāo)簽： Algorithm Signature Digital Schnorr
上傳時(shí)間： 2014-01-01
上傳用戶：qq521
The MEASURE program uses analog and digital inputs to simulate a datalogger. You may watch the value of analog input POT1 and the state of S2, S3 Buttons on MCBSTM32 evaluation board.
標(biāo)簽： datalogger simulate MEASURE program
上傳時(shí)間： 2016-07-17
上傳用戶：qq21508895
This discussion will attempt to outline some truths and common misconceptions about digital audio watermarking. It will survey the intrinsic obstacles that such technology is required to overcome, shedding light on its performance criteria, compromises and limitations. While doing so, it will also survey a few common types of applications, hopefully leading to a clear understanding as to the appropriateness of such technology and its expertise within multimedia content protection.
標(biāo)簽： misconceptions discussion attempt digital
上傳時(shí)間： 2016-07-18
上傳用戶：520
數(shù)字上變頻DUC是與數(shù)字下變頻ddc相對(duì)應(yīng)的工作.目前實(shí)現(xiàn)方式主要有:專用芯片,通用DSP和FPGA實(shí)現(xiàn)三種.本程序即給出了XILINX公司的Digital Up Converter核心程序(IP CORE)以及響應(yīng)的使用說明,對(duì)于從事雷達(dá),無(wú)線通信的工程人員和研究者有很大用處.
標(biāo)簽： Converter Digital XILINX FPGA
上傳時(shí)間： 2016-07-24
上傳用戶：jing911003
Zero-order-hold Intended for a senior-level course on the analysis and design of digital control systems, the text is also useful for graduate students and practicing engineers who are learning state-space design techniques.
標(biāo)簽： Zero-order-hold senior-level Intended analysis
上傳時(shí)間： 2013-12-04
上傳用戶：liuchee
Upper gain margin Intended for a senior-level course on the analysis and design of digital control systems, the text is also useful for graduate students and practicing engineers who are learning state-space design techniques.
標(biāo)簽： senior-level Intended analysis control
上傳時(shí)間： 2013-12-12
上傳用戶：225588
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