This experiment uses the Blackfi n BF533/BF537 EZ-KIT to run a simple FIR fi lter on stereo channels at a sampling frequency of 48 kHz. The CYCLE register is embedded in the main program ( process_data.c) to benchmark the time needed to process two FIR fi lters. A background telemetry channel (BTC) is set up to display the cycle count.
標(biāo)簽： experiment Blackfi EZ-KIT channe
上傳時(shí)間： 2013-12-27
上傳用戶：baiom
This is IR (Infra-Red) learn module for home automation system. It can learn IR codes from different IR remotes, and then execute any assigned actions controlled by learned IR remote. This project was developed using Keil 8051 compiler. Processor - Atmel AT89C51 Frequency - 22.1184 Mhz (described as OSC_FREQ in "timer.h") Timer 0 - system timer (used for timeouts and delays) Also, look in folder /doc for additional information about IR codes formats and codes from different manufacturers.
標(biāo)簽： learn automation Infra-Red different
上傳時(shí)間： 2017-05-30
上傳用戶：無(wú)聊來(lái)刷下
This is a simple algorithm that downloads trading data from yahoo database. It is basically a large scale application of sqq.m which was originally submitted by Michael Boldin, link at acknowledgements. Some of the functionalities of the package: - User defined ticker list. - Function for downloading most recent SP500 composition in ticker list. - Control for bad data (e.g. a certain percentage of prices missing). - Choice of frequency of data (e.g. weekly prices). - Choice of starting and ending data. - Function for saving the whole data in a pre-formatted excel file together with a full reports on missing data.
標(biāo)簽： algorithm downloads basically database
上傳時(shí)間： 2017-06-03
上傳用戶：啊颯颯大師的
Spread-spectrum techniques are methods by which electromagnetic energy generated in a particular bandwidth is deliberately spread in the frequency domain, resulting in a signal with a wider bandwidth. These techniques are used for a variety of reasons, including the establishment of secure communications, increasing resistance to natural interference and jamming, and to prevent detec
標(biāo)簽： Spread-spectrum electromagnetic techniques particular
上傳時(shí)間： 2017-06-06
上傳用戶：royzhangsz
In engineering, compensation is planning for side effects or other unintended issues in a design. The design of an invention can itself also be to compensate for some other existing issue or exception. One example is in a voltage-controlled crystal oscillator (VCXO), which is normally affected not only by voltage, but to a lesser extent by temperature. A temperature-compensated version (a TCVCXO) is designed so that heat buildup within the enclosure of a transmitter or other such device will not alter the piezoelectric effect, thereby causing frequency drift. Another example is motion compensation on digital cameras and video cameras, which keep a picture steady and not blurry.
標(biāo)簽： compensation engineering unintended planning
上傳時(shí)間： 2013-12-11
上傳用戶：z754970244
This application report discusses the design of non-invasive optical plethysmography also called as pulsoximeter using the MSP430FG437 Microcontroller (MCU). The pulsoximeter consists of a peripheral probe combined with the MCU displaying the oxygen saturation and pulse rate on a LCD glass. The same sensor is used for both heart-rate detection and pulsoximetering in this application. The probe is placed on a peripheral point of the body such as a finger tip, ear lobe or the nose. The probe includes two light emitting diodes (LEDs), one in the visible red spectrum (660nm) and the other in the infrared spectrum (940nm). The percentage of oxygen in the body is worked by measuring the intensity from each frequency of light after it transmits through the body and then calculating the ratio between these two intensities.
標(biāo)簽： plethysmography non-invasive application discusses
上傳時(shí)間： 2014-01-17
上傳用戶：天誠(chéng)24
This paper will discuss the design of an asynchronous FIFO,Asynchronous FIFOs are widely used in the computer networking industry to receive data at a particular frequency and transmit them at another frequency. An asynchronous FIFO has two different clocks: one for read and one for write.
標(biāo)簽： Asynchronous asynchronous the discuss
上傳時(shí)間： 2013-12-09
上傳用戶：Thuan
This file is a function under matlab which allow to compute and plot fast fourier transform of a signal. We can observe the effect of the signal parameter can be changed such as frequency and N points.
標(biāo)簽： transform function compute fourier
上傳時(shí)間： 2017-06-27
上傳用戶：米卡
This file is a function under matlab which allow to read, play and plot audio signals from wav file. We can also extract the sampling frequency and coding bit number
標(biāo)簽： file function signals matlab
上傳時(shí)間： 2014-01-25
上傳用戶：diets
The document explains the concept of multiple-bandpass filtering and compacting of arbitrarily spaced frequency bands.
標(biāo)簽： multiple-bandpass arbitrarily compacting filtering
上傳時(shí)間： 2017-07-03
上傳用戶：pinksun9
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