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tongyuankeshe
- 信号经过两个独立的信道传输,两个信道的信道复增益分别为 和 。 是独立同分布的复高斯随机变量,实部虚部独立、均值为0,实部虚部的方差都是1。采用某分集技术后输出的信噪比为 ,其中 是常数, 是在 之间均匀分布的随机变量。请就不同的 、 ,用仿真的方法画出 的累积分布函数。-signal after two independent Channel Tunnel, Channel 2 Channel Minute respectively, and gain. Independence is the
agc.rar
- 自动增益控制仿真程序。为了评估AGC回路的性能,用一系列Matlab仿真实验来证明回路的有效性。首先用数字信号发生器合成一段40KHz的超声波信号,并将其处理成*.dat文件再采集到PC上,Automatic gain control simulation program. In order to assess the performance of AGC loop, using a series of Matlab simulations to prove the validity of lo
procedure
- 本程序用于梅森公式中不切除回路的自动识别,能够用于自动计算信号流图的增益-This procedure is not the formula for the Mason loop excision of automatic identification, can be used to automatically calculate the gain of the signal flow diagram
code_lab_three
- Rician fading is a radio propagation anomaly caused by partial cancellation of a radio signal by itself — the signal arrives at the receiver by two different paths, and at least one of the paths is changing (lengthening or shortening). Rician fading
RC
- 一、设计要求:1• 截止频率fH3d=1kHz 2• 带外衰减速率小于-30dB/10倍频 二、总体方案讨论:二阶RC有源滤波器的功能是让一定的频率范围内的信号通过,抑制或急剧衰减此范围内的信号,常用电路有电压控制电压源(VCVS)电路和无限增益多路反馈(MFB)电路,本设计采用电压控制(VCVS)电路,其中运放是通向输入,输入阻抗很高,输入阻抗很低,其优点是电路性能稳定,增益容易调节 -First, the design requirements: 1 R
TCM
- TCM是把纠错编码与调制相结合的一种技术,将编码与调制作为一个整体同时进行处理,既有纠错能力又有频带压缩能力,基本原则是利用信号集的冗余度来提高纠错能力,从而在不扩展占用频带的前提下提高编码增益。这样就可以在传输功率和带宽都不变的同时提高数字传输系统的可靠性。-TCM is the error correction coding and modulation of a combination of technology, coding and modulation processing as a
G0
- 这个是协作通信用的MRC的程序 信息源2个 中继1个 接收端用信息源和中继端收到的信号进行合成 (MRC) 然后用维特比解码 可以输出BER和FER 头文件还可以定义pathloss gain 一般协作通信的模板 -This is a collaborative communication process with the MRC information sources 2 relay a receiver with the information source and the relay
MATLAB-and-communication-simulation
- 1、研究BFSK在加性高斯白噪声信道下(无突发干扰)的误码率性能与信噪比之间的关系; 2、研究BFSK在加性高斯白噪声信道下(有突发干扰)的误码率性能与信噪比之间的关系;分析突发干扰的持续时间对误码率性能的影响。 3、研究BFSK+信道编码(取BCH码和汉明码)在加性高斯白噪声信道下(无突发干扰)的误码率性能与信噪比之间的关系;分析不同码率对误码率性能的影响。比较不同信道编码方式的编码增益性能。 4、研究BFSK+信道编码(取BCH码和汉明码)在加性高斯白噪声信道下(有突发干扰)的误
RakeReceiver
- 完成超宽带信号的发射和接收,接收端采用最大比合并、等增益合并、选择合并,最后比较三者的误比特性能。-The function of this module is to transmit the UWB signal and then receive the UWB signal by means of Maximal Ratio Combining, Equal Gain Combining and Selection Combining respectively. More important
DPLL_REASERCH
- 本课题研制了一种宽频带的数字锁相放大器,可以完成自动增益和相位 可调整,最长积分时间为100s,适合于频率从10Hz到10kHz,幅值从100nV 到10mV的微弱正弦信号检测。测量结果表明,当采样点数N大于8192时, -This project developed a wideband digital lock-in amplifier, can be completed automatically adjustable gain and phase, the longes
stbcall.m
- tgrr yggg ggg yttt Space time block coding (STBC) and beamforming techniques are two emerging technologies that can be employed at base station with multiple antenna to provide transmit diversity and beamforming gain to increase signal-to-
Fiber_matlab
- 主要模拟的是信号光在增益光纤中放大的过程-Main simulation signal light is amplified in the gain fiber in the process
Untitled
- 这样可以使检波器获得足够大的信号,从而使整机输出音质较好的音频信号,,所以中频调谐放大电路可以做到选择性好、增益高又不易自激。这样灵敏度和选择性都可大幅度改善,而且可使整个波段接受灵敏度均匀!-This allows the detector to obtain a large enough signal, so that the overall output quality better audio signal, so the IF amplifier circuit can be tune
THE3
- a Matlab code that produces a plot of probability of bit error rate for QPSK versus SNR for three receive antennas, and three different combining methods: MRC, equal gain combining, and selection combining. The plot is generated by using Monte Carlo
Channel-coding-matlab
- 汉明码信道编码matlab仿真,学生作业,编码增益与信噪比。-Hamming code channel coding matlab simulation, student work, the coding gain and signal to noise ratio.
matlab_fsk-agilent_-e4438c-
- To generate FSK waveform using MATLAB and understand the basic principles of digital modulation techniques: FSK through modeling and simulations. To download MATLAB generated waveform data of FSK into Agilent E4438C vector signal generator.
kuandaizhiliufangdaqi
- 1、电压增益AV≥40dB,输入电压有效值Vi≤20mV;AV可在0~40dB范围内步距为5dB 调节(也可以连续调节)。显示实验作者的学号; 2、最大输出电压正弦波有效值Vo≥2V,输出信号波形无明显失真; 3、3dB通频带0~5MHz;在0~4MHz通频带内增益起伏≤1dB; 4、放大器的输入电阻≥50,负载电阻(50±2)Ω; -1, the voltage gain AV≥40dB, input voltage rms Vi≤20mV AV can step
afe4300
- AFE4300是低成本的衡器和人体成份(BCM)测量模拟前端(AFE),集成了两个单独的信号链:一个用来重量测量,一个采用16位860SPS ADC进行人体成份分析.器件中的三个BCM通路允许对身体手和足间的部分身体阻抗进行分析(BIA),从而得出人体成份的全图.器件的工作电压2 V- 3.6 V,主要用于衡器和人体成份测量.-The AFE4300 is a low-cost analog front-end incorporating two separate signal chains:
fir_test
- 基于kaiser滤波的函数和测试结果、结果报告 已知滤波器的要求如下: Fpass 0.45 Fstop 0.55 Pass band gain 1 Stop band attenuation 80dB 滤波器的信号采样率为10KHz。 用c++ 实现其滤波器功能-Based on the kaiser filter function and test results, the results reported The known filter requir
signal_gain
- Distributed Brillouin sensing with sub-meter spatial resolution: modeling and processing Fig2 Signal gain at resonance in time domain for different pump waveforms