搜索资源列表
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
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
adcCaptureData
- this file is captured from an adc card with 14 bit resolution,sampling at 50MHz IF input with qpsk and bpsk with different baud rate as specified in the name of file-this file is captured from an adc card with 14 bit resolution,sampling at 50MHz IF
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
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
Short-duration-power_CS
- 根据压缩传感(Compressed Sensing，cs)N论，首次提出了短时电能质量扰动信号的压缩采样方法，该方法突破了奈奎斯特采样频率的限制，实现了低于奈奎斯特采样频率的低速率采样。文中对比分析了CS理论与传统采样理论，研究了cS短时电能质量信号压缩采样的实现方法，包括：测量矩阵的构建、稀疏基的选取和电能质量信号快速贝叶斯匹配追踪重构算法(FBMP)-Compressed sensing ( Compressed Sensing , cs ) N theory , first propose
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