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matlab例程 The software is capable to simulate space time code [1] for QPSK modulation using different number o
The software is capable to simulate space time code [1] for QPSK modulation using different number of state. Examples of generator matrix up to 256 stetes are provided. Variable signal to noise ratio (SNR) might be applied to produce bit error rate (BER) or frame error rate (FER) curves.
VHDL/FPGA/Verilog This approach, we feel, came very close to obtaining an image from the camera OV7620. Before we trie
This approach, we feel, came very close to obtaining an image from the camera OV7620. Before we tried to capture a camera signal, we successfully transferred a test image from the FPGA s onboard RAM modules through RS232 to the PC program. This file do it.
技术资料 基于S12X系列双核单片机的Flexray-CAN总线网关的设计与实现
采用集成外设协处理器XGATE内核的16位双核单片机MC9S12XEP100作为主控制器,设计并实现了可以连接2路CAN总线和1路双通道Flexray总线的Flexray-CAN网关.采用ADI公司的信号和电源隔离集成器件,在满足产品小型化、低功耗、低成本的基础上,实现了CAN和Flexray总线接口的电气隔离,增强了通信接口的抗干扰能力.通过双核处理技术来 ...
电源技术 GPON系统的APD偏置解决方案
 
Avalanche photo diode (APD) receiver modules arewidely used in fi ber optic communication systems. AnAPD module contains the APD and a signal conditioningamplifi er, but is not completely self contained. It stillrequires signifi cant support circuitry including a highvoltage, low noise po ...
数学计算 The code performs a number (ITERS) of iterations of the Bailey s 6-step FFT alg
The code performs a number (ITERS) of iterations of the
Bailey s 6-step FFT algorithm (following the ideas in the
CMU Task parallel suite).
1.- Generates an input signal vector (dgen) with size
n=n1xn2 stored in row major order
...
人工智能/神经网络 This applet illustrates the prediction capabilities of the multi-layer perceptrons. It allows to def
This applet illustrates the prediction capabilities of the multi-layer perceptrons. It allows to define an input signal on which prediction will be performed. The user can choose the number of input units, hidden units and output units, as well as the delay between the input series and the predicted ...
其他 NN Functions a program in Lisp to demonstrate working of an artificial neuron. (Enter an input vect
NN Functions
a program in Lisp to demonstrate working of an artificial neuron. (Enter an input vector X and weight vector W. Calculate weighted sum XW. Transform this using signal or activation functions like logistic, threshold, hyperbolic-tangent, linear, exponential, sigmoid or some other functio ...
技术资料 AN3070
使用STM32™的USART时，如何管理RS-485和IO-Link通信的驱动器使能信号
(Managing the Driver Enable signal for RS-485 and IO-Link communications with
the STM32™'s USART)
技术资料 JPEG压缩matlab源码
JPEG压缩解压缩的matlab源代码：
1) take an image (2D matrix) and devide it to 8x8 matrices
2) for each matrix (8x8) use the DCT conversion (from the signal
processing toolbox). you will get an (8x8) matrix as an answer
3) build an 8x8 matrix, which is the sum off all the matrices, such
tha ...
技术资料 基于STM32单片机的嵌入式语音识别系统设计
设计了一款以STM32F103为核心的自然语言识别系统,为满足实时语音识别系统对内存资源和运算速度的要求,基于硬件资源合理设计语音处理算法,在嵌入式平台上实现了对孤立词语的语音识别。首先根据背景噪声和语音信号的时域特征差异设定相应门限值,从而实现了对语音信号的端点检测。然后针对语音识别中传统梅尔倒谱系数对语音的 ...