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remote
- ht47r20遥控程序，红外线载波输出频率这系统时钟的12分频，当系统频率为480KHZ，载波频率为40KHZ-ht47r20 remote control procedures, infrared output carrier frequency system clock frequency of 12 minutes, when the system frequency for 480KHZ, carrier frequency 40KHZ
dsb
- 昨天刚刚写好的dsb-sc信号生成与解调程序，用离散（dsp）的方法生成DSB信号，载波频率为150khz,音频是500hz和2000hz的混合音，加入SNR=1DB的噪声，用正交解调实现解调，画出解调前后的频谱图，欢迎共同学习，进步。-yesterday just finished the dsb - sc signal generation and demodulation process, discrete (dsp), the signal generated DSB, the carr
generate_mod_signal
- 产生15种模拟及数字调制信号函数。参数说明：type－调制信号种类,total_time－信号总时间长度,fc－载频,fs－抽样频率,symbol_rate－符号率-have 15 analog and digital modulation signal function. Parameter Descr iption : type-modulated signal types,'04-Signal total time length, fc-carrier frequency, fs-
carieroffset-estimation
- Tdscdma系统中的载频估计程序，利用导频段，极大似然的估计算法，在MATLAB中的实现程序-Tdscdma system of carrier frequency estimation procedures, the use of derivative band, the maximum likelihood estimation algorithm, MATLAB in the realization process
czt-fft
- 基于FFT的极大似然载频估计算法，用CZT实现的MATLAB程序-FFT-based Maximum Likelihood estimation algorithm carrier frequency, with the CZT achieve MATLAB
freq_max_finding
- 这是一个fsk信号鉴频的程序，即找出它的两个载频，用ccs作为开发环境-fsk This is a signal frequency of the procedure, that is, to identify two of its carrier frequency used as a development environment ccs
high-resolution-one-dimension
- 高分辨率要求系统具有大的带宽，瞬时带宽的增加必将提高系统对硬件的要求，本文采用方便灵活的步进频率波形信号。脉间频率步进波形通过子脉冲载频的步进变化来获得大的有效带宽，使成像具有高分辨率，采用加窗和补零方法提高信噪比，但该信号对目标径向速度非常敏感。采用补零方法提高距离取样分辨率，使距离像细化，并用公式说明了补零只能提高距离取样分辨率，并不能改变频率步进信号的距离分辨能力。该信号波形对目标径向速度的敏感，使目标能量分散到邻近的距离单元造成距离分辨率下降，如果不事先进行速度补偿，直接对回波信号进行逆
qpskasp1
- 此源码是用DSP实现QPSK调制，在CCS软件上实现．采样速率为14400样点／s，载波频率为1800Hz,带宽为300～3300Hz，符号速率为2400符号／s，滚降系数为0.35．-this source is used DSP QPSK modulation, the CCS software to achieve. Sampling rate of 14,400 samples / s, the carrier frequency of 1800 Hz. bandwidth of 300
freqhoppsprdspctrm
- 已知载波频率的扩频通讯MATLAB程序，通过扩展频率实现低信噪比的传输 -known carrier frequency of spread spectrum communication MATLAB program, through the expansion of low-frequency signal-to-noise ratio transmission
ofdm-program()
- 仿真参数:800个载波，1024点IFFT，载波间频1，无多径和有延迟个码片仿真。调制方式是BPSK和QPSK-simulation parameters : 800 Carrier, the 1024-point IFFT, a carrier frequency between, No multi-path and the delay-chip simulation. BPSK modulation is QPSK
single_carrier_FD_equalization
- Single Carrier Frequency Domain Equalization Simulation(单载波频域均衡仿真程序)-Single Carrier Frequency Domain Equaliza tion Simulation (single-carrier frequency-domain simulation program balance)
xixi
- 本程序中得到的收端OFDM信号的频谱波形，是与其发端信号的排步有关的。在发端的 ％ 载波安排上，128个载波有前后各32个载波是null载波(如果这前后各32各载波是带外频段， ％ 那么理论上它们都应该是零！)，中间的64个载波是数据载波。这样的排步很明显就是一个 ％ 两边低，中间高的频谱形式。所以，收端也应该是这个轮廓。 -this process the resumption end of the spectrum OFDM signal waveform, with th
fmdemod
- demodulates the FM modulated signal Y at the carrier frequency Fc (Hz). Y and Fc have sample frequency Fs (Hz). FREQDEV is the frequency deviation (Hz) of the modulated signal.
fmmod
- uses the message signal X to modulate the carrier frequency Fc (Hz) and sample frequency Fs (Hz), where Fs > 2*Fc. FREQDEV (Hz) is the frequency deviation of the modulated signal.
carrier-frequency-capture
- 该文采用数字科斯塔斯环并结合数字匹配滤波辅助捕获的方法对T DRSS 中的大多普勒频移进行捕获和消除, 解决了大多普勒情况下载波恢复的难题, 为工程实践提供了一种新思路。-In this paper, using a digital Costas loop in combination with the digital matched filtering auxiliary capture the T-DRSS large Doppler frequency shift to capture a
BPSK-frequency-estimate
- BPSK载频估计，用它的平方谱和四次方谱进行估计，能够在0dB情况下完成有效估计-BPSK carrier frequency estimation, with its squared spectrum and quartic spectrum estimation can be completed in the 0dB case valid estimation
A-reduced-complexity-scheme-for-carrier
- As each user in OFDMA based IEEE 802.16e network has different carrier frequencies, synchronization of carrier frequency offset (CFO) is a very complex task. The hardware implementation of the existing schemes is very expensive. Estimation and compen
Frequency-Hopping-test
- 参考如何修改载波频率实现跳频，参考如何获取USRP时钟信息-How to modify the carrier frequency hopping to achieve, how to get USRP clock reference information
frequency-domain-equalization-
- 该文献研究了 IEEE802. 1 6a宽带无线接入系统的单载波频域均衡 ( SC - FD E)方案 ,建立了 完整的802. 1 6a单载波频域均衡系统仿真平台 ,研究了 SC - FD E系统的频域均衡 、编码和分集增益 。希望对大家有所帮助。-It studied IEEE802 1 6a broadband wireless access systems in a single carrier frequency domain equalization (SC- FD E) progr
frequency-estimation-algorithm
- 循环平稳算法估计载波频率程序，对BPSK效果好，(Estimation of carrier frequency program by cyclostationary algorithm)