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7.6
- 估算并画出高斯脉冲的前15阶导函数的-10dB带宽。函数以下列变量为输入:a的最小值alphamin,-estimates and the mapping out of the Gaussian pulse before 15 derivative function-10dB bandwidth. Function for the importation of the following variables : a minimum of
psk---xinshetu
- 实现M=4,8 PSK星设图 M=4的PSK系统,分别取信噪比为odB、10dB和20dB,在星座图上观察接收端接收到的信号向量。-achieve M = 4,8 PSK-based map of M = 4 PSK system, the signal-to-noise were taken odB. 10dB and 20dB, in the constellation observation receiving termina
xinshetu
- 在对PSK系统进行仿真,要求:对M=4的PSK系统,分别取信噪比为odB、10dB和20dB,在星座图上观察接收端接收到的信号向量。 -in the PSK system simulation, requirements : M = 4 for the PSK system, the signal-to-noise were taken odB. 10dB and 20dB, in the constellation observa
stft1
- 在采样频率为1Hz,数据长度为1000点和信噪比为10dB的条件下,进行PPS信号的DPT迭代检测-the sampling frequency of 1Hz, data length of 1,000 points and 10dB signal-to-noise ratio for the conditions, PPS signal for the detection of DPT iterative
ARPUFENXIYUZISHIYINGZHENGQIANGQI
- 构造一组输入为白噪声加三个频率非常接近的正弦波,其信噪比为10dB,观测长度为256。试分别用普通AR谱估计和采用功率噪声抵消算法的AR谱估计估计这组信号的频率,并比较结果。-constructed a group of white noise input plus three very close to the frequency sine wave, the signal-to-noise ratio of 10dB. Observ
ULA
- 已知:信号中心波长为2,天线阵元的间距为1米,快拍数为2000,空中有四个 源信号,假设它们的频率 四个源信号的方向分别为: 求: 1)在不加入噪声的情况下,观察并计算协方差矩阵特征值,并对它的特点 加以说明 2)分别采用MUSIC算法,CAPON算法, ESPRIT算法在下面四种情况下,对 上述四个信号源的波达方向进行估计,并画出它们的空间谱图; ①在不加入噪声的情况下, ②在加入高斯白
wide_band
- 基于CSM自适应波束形成——酉聚焦 % 8阵列; %信噪比为10dB 干扰噪声比为20dB 干扰信号与需要信号不相关. %干扰和信号频率所在范围为80—120Hz,相对带宽为40% ,入射角度分别为seta_S_reg、seta_J_reg
CORRECE
- 使用MATLAB完成CDMA系统的相关接收机,其中哈达码矩阵为128阶,仿真比特信噪比为-10DB
2007.9.7
- 程控滤波器论文。实现了步进为10dB的0到60dB的可调增益。滤波器部分以可编程开关电容滤波器MAX262芯片为核心,实现了截止频率1KHZ-20KHZ步进1HZ可调的程控滤波器,各项误差低于5%。
仿真程序
- 信号调制识别:在SNR=10db,干扰为高斯噪声的条件下进行信号调制类型的自动识别。-signal modulation recognition:Automatic signal modulation on the condition of SNR=10db and Gaussian noise.
数控音频功率放大器
- 设计要求 (1)输入信号为30mv峰峰值的正弦波,频率范围 20HZ~20KHZ,输入阻抗Ri ≥20KΩ,前级程控放大器增益通过单片机键盘输入控制,增益可预置为 10db,20db,30db,40db。 (2)后级功率放大器输出功率≥3W(8Ω负载)。 (3)液晶显示。
仿真程序
- 信号调制识别:在SNR=10db,干扰为高斯噪声的条件下进行信号调制类型的自动识别。-signal modulation recognition:Automatic signal modulation on the condition of SNR=10db and Gaussian noise.
guass_noise
- 高斯噪声产生的代码,含有射频噪声干扰的代码-Gaussian noise code, containing RF noise code
7.6
- 估算并画出高斯脉冲的前15阶导函数的-10dB带宽。函数以下列变量为输入:a的最小值alphamin,-estimates and the mapping out of the Gaussian pulse before 15 derivative function-10dB bandwidth. Function for the importation of the following variables : a minimum of
psk---xinshetu
- 实现M=4,8 PSK星设图 M=4的PSK系统,分别取信噪比为odB、10dB和20dB,在星座图上观察接收端接收到的信号向量。-achieve M = 4,8 PSK-based map of M = 4 PSK system, the signal-to-noise were taken odB. 10dB and 20dB, in the constellation observation receiving termina
xinshetu
- 在对PSK系统进行仿真,要求:对M=4的PSK系统,分别取信噪比为odB、10dB和20dB,在星座图上观察接收端接收到的信号向量。 -in the PSK system simulation, requirements : M = 4 for the PSK system, the signal-to-noise were taken odB. 10dB and 20dB, in the constellation observa
pskm4
- 当M=4时的,在0db、10db、20db时的情况下,在星座上观察接收到得信号,并进行分析-When M = 4 when, in the 0db, 10db, 20db circumstances at the time, observed in the constellation to receive a signal, and an analysis of
SNR=10dB-DSSS
- SNR=10dB的dsss仿真,完整的系统模块,实用-SNR = 10dB the dsss simulation, complete system modules, practical
10dB
- 直序扩频通信系统仿真实例,信源为数字信号信道信噪比为10dB的直扩通信系统仿真实验simulik文件-Direct sequence spread spectrum communication system simulation example, the source for digital signal channel SNR for 10 db of spread spectrum communication system simu
设置麦克风
- 批量设置 麦克风,音量99,+10dB,噪音回声打勾 (快捷启动或维护通道用)(Set the microphone in batch, volume 99, +10dB, noise echo tick (quick start or maintenance channel))