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10285713
对语音编码技术的特点进行了分析与研究, 对波形编码,声码器和混合编码三种主要 的语音编码进行了比较, 并介绍了GSM 和CD(This paper analyzes and studies the characteristics of speech coding technology, compares the three main speech codes: waveform coding, vocoder and hybrid coding, and introduces GSM and CD.)
- 2019-03-27 23:52:25下载
- 积分：1
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Known_multipath_channel
使用多路径信道进行数据的传输仿真（架设在已知信道中传输）(Data transmission using the multi-path channel simulation (mounted on a known channel transmission))
- 2012-07-26 00:00:35下载
- 积分：1
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pegasis
说明： PEGSIS协议仿真 包含很多东西 通讯协议仿真 可用于对比 MATKLAB(PEGASIS Protocol Simulation)
- 2020-06-24 23:00:01下载
- 积分：1
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A-Novel-Variable-Step-Size-NLMS-Algorithm-and-Its
By building the generalized Sigmoid function relationship between normalized step-size and the power of error signal,
a novel variable step-size NLMS algorithm is proposed. It is proved that the step-size of NPVSS-NLMS changes as
the new algorithm does when A=σv
-m and B=2. The physical meanings of the parameters in this algorithm are
explored. The theoretical analysis illustrate that this algorithm combine the virtues of NPVSS-NLMS and Sigmoid
function, and it leads to faster convergence rate and lower final misalignment. The computer simulation results
support the theoretical analysis.
- 2013-07-06 22:59:51下载
- 积分：1
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门限确定(C60高阶累积量)2
调制信号的高阶累积量仿真，包括16qam，32qam，BPSK,QPSK,4ASK(Simulation of higher order cumulants of modulation signals, including 16QAM, 32qam, BPSK, QPSK, 4ASK)
- 2018-06-14 17:16:32下载
- 积分：1
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nbs_vs_cbs
uwb
天线选择算法
基于范数的选择算法和基于相关的选择算法的比较(UWB antenna selection algorithm based on the norm of the selection algorithm and selection algorithm based on the relevant comparison)
- 2021-04-24 14:28:46下载
- 积分：1
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ThinkPHP_3.2.1_20140214
实用性代码，可以在手机等移动设备上很好的使用，可操作性强。(Usefulness of the code can be very good for use on mobile phones and other mobile devices operable.)
- 2014-02-26 09:57:45下载
- 积分：1
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位置跟踪——离散卡尔曼滤波实验
说明： 以物体导航位置跟踪为例进行离散卡尔曼滤波实验(Experiment of discrete Kalman filter)
- 2020-03-17 15:01:34下载
- 积分：1
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PCM
在实际的调谐解调电路中，采用的是非相干载波解调，本振信号与发射端的载波信号存在频率偏差和相位抖动，因而解调出来的模拟I、Q基带信号是带有载波误差的信号。这样的模拟基带信号即使采用定时准确的时钟进行取样判决，得到的数字信号也不是原来发射端的调制信号，误差的积累将导致抽样判决后的误码率增大，因此数字QPSK解调电路要对载波误差进行补偿，减少非相干载波解调带来的影响。(In the actual tuning and demodulating circuit, non-coherent carrier demodulation is adopted, and the frequency deviation and phase jitter of the local oscillator signal and the carrier signal of the transmitting end are present, and thus the demodulated analog I and Q baseband signals are signals with carrier error.)
- 2019-01-30 20:16:08下载
- 积分：1
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D2D
D2D的自适应链路仿真，可根据信道状态，自选自调制方式(D2D adaptive link simulation, according to the channel state, optional self modulation)
- 2017-11-09 15:30:59下载
- 积分：1
