搜索资源列表
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
软件转换的方法和代码
- 音频采样率转换相关，主要是软件转换的方法和代码-Audio sampling rate conversion-related, mainly software code conversion methods and
eg-fft
- fft1．用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图 2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选 3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa
VHDL_FPGA_FILTER
- 用VHDL语言设计基于FPGA器件的高采样率FIR滤波器,基于VHDL与CPLD器件的FIR数字滤波器的设计-Design using VHDL language FPGA devices based on high sampling rate FIR filter, based on VHDL and CPLD devices, the design of FIR digital filter
untitled1
- DPCM,由于语音信号的相邻抽样点之间有一定的幅度关联性，所以，可根据以前时刻的样值来预测现时刻的样值，只要传预测值和实际值之差，而不需要每个样值都传输。这种方法就是预测编码。-DPCM, as a result of voice signals between adjacent sampling rate of a certain relevance, we can kind of time based on previous values to predict the kind of val
28420006
- this article is about UWB Acquisition at Symbol Sampling Rate Using Reference Aided Match Filter and Adaptive Post Detection Integration
lvbofangfa
- 针对全数字软件接收机中抽取滤波器的设计,提出了一种适合在FPGA内实现的单级积分清洗的滤波器结构,这种结构解决了传统积分梳妆滤波器中可能出现的积分器溢出问题,同时还可进行非整数倍的抽取变换.给出了一种无乘法半带滤波器的IIR实现结构,并对该滤波器性能进行了仿真,结果表明在输出过采样率大于4时基本不会影响系统误码性能.-Software for all-digital receiver decimation filter design, presents a suitable FPGA integ
AD9910
- AD9910说明书。AD9910是一款内置14 bit DAC的直接数字频率合成器（DDS），支持高达1 GSPS的采样速率。AD9910采用高级DDS专利技术，在不牺牲性能的前提下可极大降低功耗。DDS/DAC组合构成数字可编程的高频模拟输出频率合成器，能够在高达400 MHz的频率下生成频率捷变正弦波形。-AD9910 manual. AD9910 is a built-in 14 bit DAC for direct digital frequency synthesizer (DDS),
decimationvariation
- When we decimate the signal, only the sampling rate decreases but the frequency content remains same
NointerchangeLMcommonFactor
- CASCADING OF UPSAMPLER(L) & DOWN SAMPLER(M) : we can change the sampling rate of the signal by a rational factor L/M. M followed by L & L followed by M cannot be interchanged when L and M contain a common integer factor, i.e., M and L have a commo
WT588D-huoyuan-V2.10
- 其中有WT588D 语音芯片的SPI-Flash 存储器容量、采样率和时间的对应关系-There WT588D voice chip SPI-Flash memory capacity, sampling rate and time correlation
VS1003
- VS1003 是一个单片MP3/WMA/MIDI音频解码器和ADPCM编码器。它包含一个高性能，自主产权的低功 耗DSP 处理器核VS_DSP4,工作数据存储器，为用户应用提供5KB 的指令RAM 和0.5KB 的数据RAM。 串行的控制和数据接口，4 个常规用途的I/O 口，一个UART，也有一个高品质可变采样率的ADC和立体 声DAC，还有一个耳机放大器和地线缓冲器。-The VS1003 is a the monolithic MP3/WMA/MIDI audio decode
Data-Sampling-System
- 数据采集系统性能的好坏主要取决于它的精度和速度。该数据采集系统在保证精度的条件下，还要尽可能地提高采样速度，以满足实时采集、实时处理和实时控制的要求。而且它将开发、数据采集、分析处理等融为一体的Windows风格的图形用户界面（GUI）代替了复杂繁琐的程序，使数据采集与分析处理变得简单、方便。-The data acquisition system performance is good or bad depends primarily on its accuracy and speed. Th
segy
- seg-y数据读取，包括采样点数、采样率、线号、道号、坐标、以及地震数据-seg-y read data, including sampling points, sampling rate, line number, channel number, coordinates, and seismic data
S7-300_RHB_e
- Siemens S7 200 VB Code & Sampling rate for SIme nae plac
3
- Abstract-The mobile radio channel can be simulated as a complex-valued random process with a time-varying variance. This paper describes an implementation of that process using a real-time Digital Signal Processing (DSP) technique. The simulato
WBAN-with-CS-Theory
- 压缩感知技术在体域网WBAN中的应用，很新的一篇文章，对于研究体域网和压缩感知技术的人员有很大的参考价值。-In this paper, we have investigated the benefit of applying the CS theory to data collection with low sampling rate in the WBANs.
AD9245-in-software-radio
- AD9245 是AD 公司推出的一款14 位高速模数转换器。AD9245 具有最高80MSPS 采样率、工作带宽500MHZ。文中介绍了AD9245 的主要特点及其典型的应用电路,并给出了一个软件无线电数字中频接收系统样机中的应用实例。-AD9245 is AD the company introduced a 14-speed ADC. AD9245 80MSPS with the highest sampling rate, bandwidth 500MHZ. This paper desc
DDC-and-Decimation-
- 数字采样及数字下变频技术是研究软件无线电接收机的重要内容之一。其中针对多种速率信号的采样，对 可变的信号符号率与固定的系统采样率进行实时匹配问题，是研究多速率信号数字化所遇到的难点问题之一。文中通过抽 取和内插技术的组合解决了这一问题。并在此基础上着重研究了高速抽取和内插的多项滤波结构，为数据率的快速匹配奠 定了基础。-Digital sampling and digital downconversion technology is an important part of rese
Sampling-of-a-Signal
- For a function that varying with time s(t) be a continuous function to be sampled, and sampling be performed by measuring the value of continuous function every T seconds, which is called sampling interval. This sampled function is given by S(nT),for