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Description: Ofdm-UWB的仿真模型图，适合7.0的版本，包含整个协议规定的系统，可以设置FFT的点数。-Ofdm-UWB simulation model map for the 7.0 version of the agreement include the entire system can be set FFT points.
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Size: 59392 |
Author: 陈立琴 |
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Description: fft在dspbuilder下产生VHDL源码及其测试激励文件的matlab模型,在modelsim下仿真通过-fft in dspbuilder under VHDL source code and test incentives document matl ab model, the simulation under through modelsim
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Size: 7168 |
Author: zqh |
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Description: 信号与系统基础知识包括连续信号与模型、离散信号与模型；常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等；离散系统结构包括IIR、FIR和Lattice结构；IIR滤波器设计包括模拟和数字低通、高通、带通与带阻滤波器设计，以及基于冲激响应不变法和双线性Z变换法的IlR滤波器设计等；FIR滤波器设计包括基于窗函数、频率抽样法和切比雪大逼近法的FIR滤波器设计；平稳信号分析包括经典功率谱估计、基于参数模型的功率谱估计和基于非参数模型的功率谱估计；非平稳信号分析包括STFT变换、Gabor展开、Wigner-Ville分布与Choi-Williams分布；非高斯信号分析包括基于非参数法的双谱估计、基于参数模型的双谱估计，以及双谱估计的应用；信号处理的GUI实现包括滤波器设计与分析的FDATool工具和滤波器设计与信号分析的SPTool工具。-signals and systems based on knowledge, including continuous signal with the model, discrete signal and model; Common signals include transform Z transform, chirp Z-transform, FFT transform. DCT and Hilbert transform; Discrete system architecture including IIR, FIR and Lattice structure; IIR filter design, including analog and digital low-pass, high-pass, band-pass and band stop filter design, Based on the impulse response of the same law and bilinear Z transform the IlR filter design; FIR filter design including on the basis of the window function, frequency sampling and snow all over the big approximation of FIR filter design; stationary signal analysis include classical power spectrum estimation, Based on the model parameters of the power spectrum estimation and non- parametric model b
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Size: 101376 |
Author: james |
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Description: FFT信号分析模型，实时显示FFT分析结果-FFT signal analysis model, real-time FFT analysis results show
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Size: 4096 |
Author: 于晓静 |
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Description: 图形操作 画布选择 位图操作 生成图像 图像性质 色调与模式 几何变换 动态图像-Graphics operator to choose canvas bitmap image nature of the operation to generate color image geometric transformations and model the dynamic image
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Size: 5767168 |
Author: 周奇 |
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Description: ofdm系统模型，包含信道估计 FFT变换 QPSK 16QAM调制 插入导频等，非常全面。-OFDM system model, including channel estimation FFT transform QPSK 16QAM modulation insert Pilot and so on, very comprehensive.
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Size: 27648 |
Author: guang_j |
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Description: 利用ARMA、AR、MA模型，以及周期图等进行系统参数估计以及全相位FFT测相位-Using ARMA, AR, MA model, and the cycle map for system parameter estimation, and testing phases of all phase FFT
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Size: 1024 |
Author: zhuyoujian |
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Description: java设计模式中的工厂设计模式的一个案例FFT！-java design patterns in the plant design model of a case FFT!
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Size: 88064 |
Author: xhz |
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Description: 信号与系统基础知识包括连续信号与模型、离散信号与模型；常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等；离散系统结构包括IIR、fir和Lattice结构；IIR滤波器设计包括模拟和数字低通、高-Basic knowledge of signals and systems, including continuous signal with the model, discrete signals and model common signal, including Z Transform Transform, Chirp Z Transform, FFT transform, DCT transform and Hilbert transform, etc. discrete system architecture including IIR, fir and Lattice structure IIR filter design, including analog and digital low-pass, high-
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Size: 3072 |
Author: 东 |
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Description: FFT变换的simulink的模型。 FFT变换的simulink的模型。-FFT transform simulink model。FFT transform simulink model。FFT transform simulink model。
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Size: 6144 |
Author: 秦秦 |
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Description: 2007年全国大学生电子设计大赛，A题音频信号分析仪的全部源程序。
单片机为c8051f120，系统时钟倍频至96MHZ。
main.c是一个包含五级菜单的主函数。
FFT.C是进行fft变换，将时域信号变换成频域信号。
flash.c是读写片外flash存储器的程序,可以将分析结果保存,以备调用.
z7290.c是周立功7290键盘芯片的驱动程序.
FFT_xgjis.c是对变换后的频谱进行分析和运算.
FFT_CodeTable.c是一个正弦表,在FFT的时候调用.
LCD320240.c是320*240的液晶驱动程序,液晶的控制器是SED1335.
所有的.h文件提供了子函数的定义.
本程序用KEIL3 802版本编译通过，将所有的.C文件添加到工程中，并编译main.c
注意两点:1.器件选择c8051f120.
2.在target中将时钟设为96M.同时必须将Memory Model 改成large--XDATA.默认的是small.
因为本设计占用的资源是非常大的.
Program Size: data=81.3 xdata=6811 code=43056-2007 National Undergraduate Electronic Design Contest, A title of the audio signal analyzer full source code. Singlechip c8051f120, system clock multiplier to 96MHZ. main.c is a menu that contains the main function 5. FFT.C is fft transform, time-domain signal will be converted into frequency domain signals. flash.c are reading and writing flash memory chip procedure, the results of the analysis can be preserved, for calling. z7290.c weeks are Ligong 7290 driver keyboard chip. FFT_xgjis.c is transformed spectrum analysis and computing. Sine FFT_CodeTable.c is a table at a time when FFT calls. LCD320240.c are 320* 240 LCD drivers, LCD controllers are SED1335. all. h document provides the definition of Functions.
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Size: 35840 |
Author: 王渔阳 |
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Description: System C实现的16点定点fft计算模型。-System C fixed-point to achieve the 16 point calculation model fft.
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Size: 9265152 |
Author: 王达山 |
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Description: 一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模
块，并统括系统性能的仿真验证了系统设计的可靠性。
-A relatively complete simulation of the OFDM communication system design, including coding, modulation, IFFT, frequency up and down, Gaussian channel model, FFT, PAPR suppression, a variety of synchronization, demodulation and decoding block mode , and system performance omnibus simulation to verify the reliability of system design.
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Size: 37888 |
Author: LX |
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Description: dsp算法40例,包括fft、滤波器、谱运算等
1． 将模拟滤波器转变为数字滤波器。
2． 由得到幅频响应 。
3． 用Burg算法求AR模型的参数。
4． 由AR模型参数得到功率谱。
5． 用Levinson算法求解Yule-Walker方程以得到 阶AR模型的参数 。
6． 实现双线性Z变换。
7． 设计巴特沃斯模拟低通滤波器，求出转移函数 。
8． 设计切比雪夫I型模拟低通滤波器，求出转移函数 。
9． 直接由定义求 点复序列 的DFT 。
10．利用经典的Cooley-Tukey基2算法求复序列 的DFT 。
-dsp algorithms 40 cases, including the fft, filter, spectrum operations, etc.
1. Analog filters into digital filters.
2. Amplitude-frequency response by obtained.
3. Burg algorithm for AR model with the parameters of demand.
4. AR model parameters obtained from the power spectrum.
5. Levinson algorithm using Yule-Walker equations to get the first-order AR model
parameters.
6. The bilinear Z transform to achieve.
7. Design of Butterworth analog low-pass filter, find the transfer function.
8. Design of Chebyshev-I analog low-pass filter, find the transfer function.
9. Directly from the definition of point complex sequence of DFT.
10. The use of the classic Cooley-Tukey radix-2 algorithm is seeking re-sequence of DFT.
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Size: 59392 |
Author: jack |
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Description: 3．完成系统的FPGA程序开发与调试，主要包括FFT，IFFT，CMUL和转置
存储控制等模块，在此基础上，重点介绍了一种基于DDR SDRAM的行写行读高
效转置存储算法，在采用该算法进行转置存储操作时，读写两端的速度相匹配，
满足流水线操作要求，提高了整个系统的实时性。最后介绍了采用CORDIC算法
实现复图像求模运算的方法，分析了算法的硬件实现结构，并给出了基于FPGA
的实现方法及仿真结果。-he FPGA s development and debugging are implemented,including FFT, IFFT, CMUL and C0ntrol of CTM．Based Oll this，Implementation of a high efficient corner turn memory arithmetic with writing and reading by row based on DDR SDRAM is introduced．When using CTM with this algorithm，me speed of reading and writing maItches and meets the requirement of pipelined operation．Finally a method of model implementation for complex image based on CORDIC algorithm is introduced．The algorithm’s hardware implementation structure is analysed, and implementation methodology and simulation results are given
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Size: 5155840 |
Author: mabeibei |
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Description: 这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，
上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模
块，并统括系统性能的仿真验证了系统设计的可靠性。
-This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, the upper and lower frequency, Gaussian channel model, FFT, PAPR suppression, various synchronization, demodulation and decoding of modular and system performance omnibus simulation of the system reliability.
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Size: 44032 |
Author: 梁勇 |
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Description: 这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模块，并统括系统性能的仿真验证了系统设计的可靠性。
-This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, the upper and lower frequency, Gaussian channel model, FFT, PAPR suppression, a variety of synchronization, demodulation and decoding module, and system performance omnibus simulation of the system reliability.
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Size: 22528 |
Author: 王国伟 |
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Description: 这是一个通信系统的仿真，是用SIMULINK的S-FUNCTION方式编写的，共有20个M文件，1个DOC文件，本系统的仿真设计到编码、调制、IFFT、上下变频、高斯信道建模、FFT、PAPR抑制、各种同步、解调和解码等模块，每个模块都用详细的代码和注释，并通过了系统性能的仿真验证了系统设计的可靠性，可以直接拿来仿真整个系统，也可来学习各个部分的设计。-This is a communication system simulation, is the S-FUNCTION SIMULINK approach to the preparation, a total of 20 M file, a DOC file, the system simulation design to coding, modulation, IFFT, and down conversion, Gaussian channel model , FFT, PAPR suppression, various synchronization, demodulation and decoding modules, each module with a detailed code and comments, and system performance through simulation and verification of the reliability of system design, simulation of the entire system can be directly used, also to learn the various parts of the design.
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Size: 38912 |
Author: masong |
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Description: 分析了傅里叶变换量化带来的误差，对误差模型进行了简单介绍-Fourier transform quantization error caused a brief introduction on the error model.
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Size: 390144 |
Author: gt |
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Description: 用FFT快速傅立叶变换的方法，求取两个模拟信号的相位差。为C语言程序.本程序利用两个模拟信号，求取信号的相位差。-FFT fast Fourier transform method, the strike phase two analog signals. C language program
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Size: 2048 |
Author: 周周 |
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