搜索资源列表
LaserCommunicationSimulationSystem
- 建立GEO和LEO的轨道,并计算他们间方位角和俯仰角速度及加速度,多普勒频移等重要参数。-established GEO and LEO orbits, and calculate their azimuth and pitch between angular velocity and acceleration, Doppler frequency shift and other important parameters.
MultipathandDopplerEffectsandModels
- 一份英文的讲义,讲述了在多径条件下多普勒频移对无线通信的影响。并对各种条件用MATLAB进行了仿真。
channel
- 对多径信道的仿真 输入码元,是一行矩阵,可以是实数也可以是复数 %fs是输入码元的比特率 %fd是多普勒频移 %n_delay是多径信道的径数 %t_delay是多径信道各径的时延时间 %p_delay是多径信道各径的功率db值
gpsuse
- 讨论了利用GPS多普勒频移观测值确定运动载体速度的基本原理,估计了这一方法可以达到的精 度。为验证该方法的可靠性及稳定性,做了两个试验:静态试验和动态试验,试验中实测动态数据处理采用 VAES软件。理论研究和数据处理结果均表明,在卫星分布较好的情况下,载体速度的确定精度可达mm/s。
Rayleigh_simulation
- 无线通信中,瑞利信道的仿真,考虑到了多普勒频移,还有信号的调制,编码等
信道模型为带多普勒频移的瑞利衰落信道
- 信道模型为带多普勒频移的瑞利衰落信道,关于线性插值的MATLAB仿真程序,并解调。,Channel model with Doppler frequency shift for the Rayleigh fading channel, on the linear interpolation of the MATLAB simulation procedures, and demodulator.
无线信道信号的混叠
- (1) 在某些无线信道中,多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因; (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum),请解释产生这种谱形状的机理; (3) 请用Simulink工具编写代码(S-Function方式),产生一单径瑞利信道,其多普勒谱为经典谱,其中移动速率为120km/h。并请回答:证明自己用计算机产生的经典谱是正确的可能方法。 ,(1) in certain wireless channel, the Doppler f
hdhx4
- 有多普勒频移的海底混响单元散射模型(matlab)-the seafloor reverberation unit scattering model with Doppler frequency shift
hdhx5
- 无多普勒频移的海底混响单元散射模型卷积法-matlab-the seafloor reverberation unit scattering model convolution method without Doppler frequency shift
hdhx3
- 有多普勒频移的海底混响点散射模型(matlab编程)- the seafloor reverberation point scattering model with Doppler frequency shift
hdhx2
- 无多普勒频移的海底混响单元散射模型(matlab)- the seafloor reverberation unit scattering model without Doppler frequency shift
rice_doppler
- 多普勒频移下的RICIAN衰落 附加资料 -RICIAN
fir_mtd8
- mtd的8通道算法。附带高斯白噪声、多普勒频移的动目标回波-8-channel algorithm for mtd
Disfrct
- 离散分数阶傅里叶变换,可以处理非平稳信号,也可以很好的对抗多普勒频移,用在OFDM系统中尤为重要。-Discrete fractional Fourier transform, can handle non-stationary signal can also be very good against the Doppler frequency shift, used in the OFDM system is particularly important.
matlab-acq
- GPS C/A码捕获 用的是fft频域的搜索 有C/A码产生和C/A码数字化子程序,模拟卫星信号的捕获算法和过程,未考虑多普勒频移-GPS C/A code acquisition in frequency domain using the fft search with C/A code generation and C/A code number of subroutines, analog satellite signal acquisition method and process, w
bakecodemohuhanshu
- 通过时频转换法来,来画BPSK巴克码的模糊函数,tao(时延)切面,fd(多普勒频移)切面。以及其模糊度图的画法-Through the time-frequency conversion method to draw Barker code BPSK ambiguity function, tao (delay) section, fd (Doppler shift) section. And its ambiguity diagram drawing
recieve
- 一个直扩同步的模块,用于伪码的捕获和多普勒频移的提取-A synchronous DS module for pseudo-code capture and extraction of Doppler frequency shift
fir
- 利用在box-muller 和在时域上通过低通滤波器的方法产生多普勒频移的瑞利信道-Using the box-muller, and in the time domain through a low pass filter method produces Doppler frequency shift of the Rayleigh channel
duopulepinyisuanfa
- 基于极大似然估计方法的多普勒额频移估计算法-Maximum likelihood estimation method based on the Doppler frequency shift estimation algorithm places
precession_theory
- 对圆锥运动引起的微多普勒频移进行matlab仿真(Matlab simulation of the micro Doppler frequency shift caused by conical motion)