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[Program doc] BER DL : 0: C program to calculate the BER performance of BPSK modulation in an AWGN channel. The program takes the file "BPSK" containing voltage levels and passes it in an AWGN channel with a given SNR. The received message is then Hard decision decoded and the bit error rate is calculated. The BER over different SNR is calculated. THe output values can be used to draw a BER vs SNR(dB) curve.
Date : 2026-01-02 Size : 3kb User : DeamonKenji
[Program doc] T-REC-G.722.2-200307 DL : 0: ITU-T G.722.2 国际电信联盟G.722.2建议书，2003年7月版。该建议书是语音通讯领域的压缩标准，被GSM，WCDMA，3GPP等采用，题目为16kbit下的宽带语音编码，使用自适应多率宽带编码。内容主要有代数码激励线性预测编码(ACELP)，话音活动检测(VAD)等。-This Recommendation describes the high quality Adaptive Multi-Rate Wideband (AMR-WB) encoder and decoder that is primarily intended for 7 kHz bandwidth speech signals. AMR-WB operates at a multitude of bit rates ranging from 6.6 kbit/s to 23.85 kbit/s. The bit rate may be changed at any 20-ms frame boundary. Annex C includes an integrated C source code software package which contains the implementation of the G.722.2 encoder and decoder and its Annexes A and B and Appendix I. A set of digital test vectors for developers is provided in Annex D. These test vectors are a verification tool providing an indication of success in implementing this codec. G.722.2 AMR-WB is the same codec as the 3GPP AMR-WB. The corresponding 3GPP specifications are TS 26.190 for the speech codec and TS 26.194 for the Voice Activity Detector.
Date : 2026-01-02 Size : 711kb User : 刘涛
[Program doc] AVR-Bits-operations-in--C DL : 0: AVR单片机位操作的C 语言编程实现，包括常规方法和扩展运用-Bit AVR microcontroller C language programming operations, including the use of conventional methods and extensions
Date : 2026-01-02 Size : 14kb User : burton
[Program doc] weiyu DL : 0: 这是一个有关C语言中验证位域的算法，请在家看看，有意见可以交流-This is a C language algorithms to verify the bit field, please take a look at home, there can exchange views
Date : 2026-01-02 Size : 2.11mb User : 贾仁
[Program doc] matlab DL : 0: function [out1,out2] = humps(x) HUMPS A function used by QUADDEMO, ZERODEMO and FPLOTDEMO. Y = HUMPS(X) is a function with strong maxima near x = .3 and x = .9. [X,Y] = HUMPS(X) also returns X. With no input arguments, HUMPS uses X = 0:.05:1. Example: plot(humps) See QUADDEMO, ZERODEMO and FPLOTDEMO. Copyright 1984-2014 The MathWorks, Inc. if nargin==0 x = 0:.05:1 end y = 1 ./ ((x-.3).^2 + .01) + 1 ./ ((x-.9).^2 + .04) - 6 if nargout==2, out1 = x out2 = y else out1 = y end qually probable bits, P(0) = P(1) = 0.5. (a) Construct a program to generate 10000 bits with bipolar signaling. (b) Use your program to simulate the bit error performance of the system with Eb/N0 = 0, 2, 4, 6, 8, 10 dB. (c) Compare your simul-function [out1,out2] = humps(x) HUMPS A function used by QUADDEMO, ZERODEMO and FPLOTDEMO. Y = HUMPS(X) is a function with strong maxima near x = .3 and x = .9. [X,Y] = HUMPS(X) also returns X. With no input arguments, HUMPS uses X = 0:.05:1. Example: plot(humps) See QUADDEMO, ZERODEMO and FPLOTDEMO. Copyright 1984-2014 The MathWorks, Inc. if nargin==0 x = 0:.05:1 end y = 1 ./ ((x-.3).^2 + .01) + 1 ./ ((x-.9).^2 + .04) - 6 if nargout==2, out1 = x out2 = y else out1 = y end qually probable bits, P(0) = P(1) = 0.5. (a) Construct a program to generate 10000 bits with bipolar signaling. (b) Use your program to simulate the bit error performance of the system with Eb/N0 = 0, 2, 4, 6, 8, 10 dB. (c) Compare your simul
Date : 2026-01-02 Size : 1kb User : sandeep