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1022所预测
- 电离层传播预测程序，广泛运用于军事、民用电离层成波预测-ionospheric propagation prediction procedure, widely used for military, civilian, into the ionosphere wave forecast
NPL-all
- A Numerical Photonics library written in C++. The library includes beam propagation method, coupled mode method, Bragg Gating Analysis, transfer matrix method, and vectorial Fourier Decomposition method. Very useful in simulating integrated Photonic
BPSK Transmitter
- The basic parts of the BFSK transmitter are the preamble and the data input circuit. The preamble sequence is positioned in front of each packet of 122 bits for a total of 128 bits packet. The main purpose of the preamble is to facilitate the recepti
eigenray
- 风力发电机噪音传播计算程序，用于需找eigenray 很有用的-Wind turbine noise propagation calculation program
linchaowork
- 测量目标的距离是雷达的基本任务之一。无线电波在均匀介质中以固定的速度直线传播（在自由空间传播速度约等于光速 km/s）。图2-1雷达位于-Measuring the distance between the target is one of the fundamental tasks of radar. Radio waves in inhomogeneous media in a straight line to a fixed rate of propagation (the propaga
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- 把地理区域分成一个个小区，蜂窝系统在该区域内提供无线覆盖。把可用的频谱分成很多信道，每个小区分配一组信道。使用频分双工（FDD）。在小区间进行频率利用，N个小区构成一个簇，簇间进行频率复用。定义了传播特性（信道参数）以及同频小区的位置。信道的参数包括：小区半径，路径损耗指数，以分贝为单位的对数正态阴影的标准差，基站发射功率级，移动台发射功率级，每个小区的扇区数，扇区化天线的正反向比，要仿真的瞬时位置的组数，同频干扰阈值。-To a geographical area is divided int
MultipathNarrowbandchannel
- 窄带多径信号的matlab仿真，Modeling the wireless Propagation channel code-Narrow-band multi-path signals in matlab simulation, Modeling the wireless Propagation channel code
BPN
- Back propagation algorithtm
testnew311
- propagation of intense ultrashort laser pulses in atmosphere
defgm
- Language and environment: Fortran 90 This is a sample program of The Decomposed element free Galerkin method compared with the finite difference method for elastic wave propagation, by Katou, M., Matsuoka, T., Mikada, H., Sanada, Y. and Ashida, Y.
fdtd_2d_demo_v1_1
- In this paper, a two-dimensional (2-D) transverse magnetic (TM) mode finite difference time domain (FDTD) method is used to simulate the indoor radio wave propagation and model the indoor ultra wideband (UWB) channel. The modulated Gaussian p
GeophysicalTwo-DimensionalFiniteDifferenceElasticW
- 地球物理勘探二维弹性波传播有限差分数值模拟-Geophysical two-dimensional finite difference elastic wave propagation simulation
FDM2d
- 用二阶有限差分法的中心差分格式来模拟二维均匀介质中声波传播，震源子波是雷克子波-Finite difference method with second order central difference scheme to simulate two-dimensional wave propagation in uniform media, the source wavelet is a Ricker wave
FDM4d
- 用有限差分法的四阶差分格式模拟声波在二维均匀介质中的传播，不带吸收边界条件，震波是雷克子波-Finite difference method of fourth order difference scheme for two-dimensional simulation of acoustic wave propagation in uniform medium, without absorbing boundary condition, shock wave is Ricker
Threeslab
- 对平行平板波导的传播模式进行模拟，可以自行修改参数。-Parallel plate waveguide propagation mode simulation, you can modify the parameters.
zhengyan
- 模拟地震波在一层均匀介质地质模型中传播的波场-Wavefield simulations of seismic wave propagation in a uniform layer of medium geological model
GPS-satellite-track
- 以GPS卫星为例，主要介绍利用SDP8模型，预报GPS卫星在几天内的星历，从而利用BorlandC++Builder 编程实现GPS卫星星座、星下点轨迹仿真及全球DOP值图形分析，测站星空图变化，测站DOP值分析，从而更好的分析GPS卫星星座、轨道变化、卫星的性能, 为改进卫星的星座及轨道提供技术依据。-This paper introduces that is using SDP8 propagation model to predict GPS of position and velocit
FD_one_Medm
- 均匀完全弹性介质中声波传播的正演模拟,采用标准交错网格算法，SPML作为吸收边界-the propagation simulation of acoustic wave in uniform and purely elastic medium. we use SPML as the boundary conditions.
FD_twoMedm
- 模拟声源在两种介质中产生的声波的传播，采用SPML作为吸收边界-we simulate the propagation of acoustic wave in two media. we use SPML as the boundary conditions.
Wave-in-Viscoelastic-Media
- 硕士论文：粘弹性介质地震波数值模拟。 震波在实际地层介质中传播与在理想的完全弹性介质中传播有许多不同之处，地层的粘滞性会损耗地震波能量，使其振幅衰减并且视频率逐渐降低。地震波的这种能量 衰减和频散，使得不能直接从地震数据上得到准确的地下信息和分辨率更高的图像。实 际的地层更接近于粘弹性介质，本论文主要探讨和研究了粘弹性介质中地震波传播的数 值模拟方法及其衰减规律。 -Thesis: viscoelastic medium seismic wave numerical simu