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OFDM-MATLAB
这里面有两个程序，两个都是采用4QAM调制。不过个人觉得第一个更容易懂，因为写的很有条理。我改的那个程序就是根据这个来的。
不过在这里面有个问题就是信道系数只能是由高到低，大家可以试试，改成[0.227 0.46 0.688 0.46 0.227]这个是老师给我的仿真中常用的信道系数，这个成为归一化信道，就是系数平方和为1.
第二个程序没有涉及到信道系数，但是这个程序当中，在128个子载波中，前后有32个空载波，这个在OFDM中也是经常用的，这样可以降低误码率。
(And there are two programs, two are based on 4QAM modulation. But personally feel that the first is easier, because the writing is organized. I changed that procedure is based on the past. However, there is a problem in that there is only channel coefficients from high to low, we can try and change into [0.227 0.46 0.688 0.46 0.227] This is the teacher gave me the simulation channel coefficient commonly used, this became normalized channel, is coefficient of the square and is 1. The second program is not related to channel coefficients, but this program which, in the 128 sub-carriers, the before and after the 32 air carriers, the in OFDM is also often used, which can reduce the error rate.)
- 2010-10-09 17:19:06下载
- 积分：1
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Ocampos_02MO_1109
algoritmic of golden search and fibonacci
- 2009-12-01 17:25:20下载
- 积分：1
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Caponbeamforming
中国期刊网上的论文，可以作为研究生参考学习来使用，是关于阵列信号处理中的相关信号处理算法研究理论分析(Chinese Journal online papers, you can use for reference, as a graduate student, on the array signal processing in the relevant theoretical analysis of signal-processing algorithm)
- 2009-12-31 20:59:28下载
- 积分：1
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dfimoteur
doubly fed induction motor simulation using simulink
- 2009-10-22 18:22:26下载
- 积分：1
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orical
orical ppt学习，适合初学者，需要的可以下载哦(orical ppt)
- 2010-12-16 13:30:43下载
- 积分：1
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InferenceandPredictioninLargeDimensions
The purpose of the present work is to investigate inference and statistical prediction
when the data and (or) the unknown parameter have large or infinite dimension.
- 2010-08-04 23:19:05下载
- 积分：1
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DTMF
matlab 双音多频发射与接收实验 代码(matlab TDMF send and recevied code)
- 2010-10-08 11:13:03下载
- 积分：1
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Vblast_QR
VBLAST的QR实现，包括维特比软译码 以及软解调 严格按照802.11构建(VBLAST of QR implementation, including the Viterbi soft decoding and soft-demodulator constructed in strict accordance with the 802.11)
- 2009-02-27 09:20:28下载
- 积分：1
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sigma-delta-modulation
高精度、低功耗模数转换器是当今集成电路设计模拟领域的研究热点之一，采用sigma-delta调制原理和过釆样原理的模数转换器广泛使用在音频、数字网络、电子测量等系统中。此类模数转换器，为降低信号带内的量化噪声功率，而釆用噪声整形技术，为提高模数转换器的信噪比，使用过采样技术，将基带中的量化噪声调制到了高频区域，这样就增加了基带中的信噪比，也就是增加了转换器的有效量化位数，由于采用较高的过采样率，Sigma-Delta ADC的转换速率相对较低，高精度和较低转换速率的特点，使得Sigma-Delta ADC特别适用于测量。(High precision, low power analog to digital converter is in today s integrated circuit design simulation has become one of the hot research field, the principle of sigma-delta modulation and ADC sampling principle is widely used in audio, digital network, electronic measurement system. This type of analog-to-digital converter, in order to reduce the quantization noise power signal in the band, and the use of noise shaping technique, in order to improve the SNR of the analog-to-digital converter, using the oversampling technique, modulate the quantization noise in the baseband to the high frequency region, which increases in the baseband signal to noise ratio, that is to increase the effective number of quantization bits converter, due to the sampling rate is high, the Sigma-Delta ADC conversion rate is relatively low, the characteristics of high accuracy and low conversion rate, so that Sigma-Delta ADC is especially suitable for measuring)
- 2015-01-08 13:06:02下载
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u12
matlab toolbox three level ,you can use it to learn matlab
- 2010-05-20 18:38:02下载
- 积分：1
