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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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appleyueyu_13656
苹果手机完美越狱软件 支持6.1 6.12(IPhone 6.1 jailbreak software support 6.12)
- 2013-05-22 21:42:49下载
- 积分：1
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16QAM
产生16QAM信号，用平方根升余弦滤波器进行脉冲整形，平方根升余弦滤波器产生16-QAM波形波形，画出眼图(16QAM signal of pulse shaping by square root raised cosine filter, the square root raised cosine filter to generate 16-QAM waveform waveform, draw the eye)
- 2017-10-31 16:11:29下载
- 积分：1
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WinGPC4_13_1_100824Eng
WinGPC4是samsung系统plc编程软件最新版本，适于windows系统编程组态(WinGPC4 is the latest version of PLC programming software in Samsung system. It is suitable for Windows system programming configuration)
- 2017-11-11 11:06:37下载
- 积分：1
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atqijamming__oscillator
说明： ISD1420为美国ISD公司出品的优质单片语音录放电路,由振荡器,语音存储单元,前置放大器,自动增 益控制电路,抗干扰滤波(ISD1420 is a high-quality single chip voice recording and playback circuit produced by ISD Company of the United States. It consists of oscillator, speech memory unit, preamplifier, automatic gain control circuit and anti-jamming filter.)
- 2019-03-26 14:25:55下载
- 积分：1
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LEO_Channel_MU
这是一份低轨道卫星建模的资料，比较简洁适合学习(This is a low-orbit satellite modelling data, relatively simple and suitable for learning, recommend to see)
- 2021-03-11 14:59:25下载
- 积分：1
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MIMORayleighCDF
MIMO信道容量的累计分布曲线图CDF，不同天线数的比较(CDF, of the graph of the cumulative distribution of the MIMO channel capacity to compare the number of different antennas)
- 2021-01-05 14:18:54下载
- 积分：1
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6
说明： 在瑞利信道中，对于OFDM信号设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线(In Rayleigh channel, a specific guidance aided channel estimation method is designed for OFDM signal, and the simulation is carried out with Simulink to measure the BER performance of BPSK modulation. The relation curve between bit SNR and channel estimation mean square error is drawn, and the relation curve between bit SNR and bit error rate is drawn)
- 2020-12-29 16:38:10下载
- 积分：1
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WMI_Scripting_Reference.pdf
Windows WMI scripting reference
- 2012-04-26 12:51:25下载
- 积分：1
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vblast
MIMO系统线性均衡，ZF均衡，MMSE均衡，及其改进算法(MIMO system linear equalization, ZF equalization, MMSE equalization, and its improved algorithm)
- 2020-09-22 09:47:56下载
- 积分：1
