Skip to main content
Share Your Experience: Take the 2024 Developer Survey

Questions tagged [hardware]

Questions about hardware required used for signal processing.

Filter by
Sorted by
Tagged with
0 votes
0 answers
49 views

Is it possible to cheaply convert analog to digital at the gigahertz sampling rate?

Consumer software-defined radio devices have become much cheaper and offer sample rates in the tens of million samples per second, but that still seems too low to parse WiFi or ethernet in-software. ...
Zaz's user avatar
  • 101
0 votes
0 answers
10 views

Is movesense magnetometer in NED or ENU reference frame? / How to determine magnetometer reference frame

I can't find an axis diagram for the movesense sensor, nor does it say on the spec sheet on the website - Is the magnetometer in the NED or ENU reference frame? On SO there is an answer that doesn't ...
Ariana P's user avatar
2 votes
1 answer
73 views

Ideas for self learning project

I have knowledge in DSP and some basic knowledge of RF. I wish to do a self-learning project that will incorporate the following: signal processing implemented on an FPGA. Interfacing the FPGA to an ...
Yair M's user avatar
  • 305
0 votes
1 answer
131 views

Decoding binary data from temperature / rain sensor

I have the following data from a generic rain gauge / temperature sensor captured using an Arduino validated against raw data captured using Audacity. Similar to this question Decoding of binary ...
TomW's user avatar
  • 11
4 votes
1 answer
321 views

STM32F7 Discovery board vs dsp kit tms320c6713 vs Rasberry Pi?

We want to design dsp kit Labs for our undergraduate students for following tasks/topics. 1)Sampling and Quantization of real time Audio Signals on DSP Kit ; analyze the effect of Aliasing and ...
jojo's user avatar
  • 83
11 votes
6 answers
5k views

How can I work on DSP using C/C++?

I have been working on MATLAB for signal processing for a while. Many companies from DSP for a communication background has asked me whether I know C/C++ very well. I am confused as to why the ...
Sukshith Shetty's user avatar
3 votes
2 answers
262 views

The transmission distance of a signal

I am no professional in this area so please forgive me if this question is too immature. And thanks in advance for any help and information. I want to know how to calculate the transmission distance ...
user59458's user avatar
0 votes
0 answers
30 views

What is the name of this plug? (with images)

I have speakers that connect with the plugs shown in the images below to a hifi system, but I would like to connect them instead directly to a computer. Before I can find some kind of adapter to make ...
blues's user avatar
  • 101
0 votes
1 answer
230 views

Lattice structure-Lattice coefficients-Sign positive or negative?

This is the question $$ H(z) = \frac{1}{2 + 1.4z^{-1} + 1.8z^{-2}} $$ My professor has told that we don't need to take those 2 values as negative and instead we can take them as positives(with the ...
achhainsan's user avatar
3 votes
1 answer
135 views

The power of signal processing when faced with hardware constraints

I am currently studying interferometry, but I have only just begun studying signal processing. I want to better understand the effect signal processing can have in maximising signal detection from ...
The Pointer's user avatar
0 votes
1 answer
95 views

Why I get another spectrum when upconvert an o-qpsk baseband signal with a bladerf compared to a hackrf device?

I have just start working with bladerf instead of former used hackrf hardware and I need to solve a problem. Currently I use the following bladerf hardware, libraries and firmware: bladerf (2.0 micro ...
calenberger's user avatar
0 votes
1 answer
674 views

general purpose microprocessor vs DSP(digital signal processor)?

I know that DSPs are specialized processors but i want to know what will happen if DSPs are replaced by general purpose processor in their applications? I know one application,mobile phone,will that ...
DSP_CS's user avatar
  • 1,870
1 vote
1 answer
375 views

simulator for dsp kit tms320c6713?without using actual hardware kit tms320c6713?

As you know, most universities across the globe are closed due to pandemic and people are unable to acess research facilites ,so in such a scenario one wants to improve his dsp hardware programming ...
DSP_CS's user avatar
  • 1,870
2 votes
1 answer
205 views

Selecting a Digital Signal Processor for a Specific Image Sensor

I am working on developing a camera and I am trying to select hardware for the camera. I believe that I may need a digital signal processor to compress image data before it is transmitted to a ...
CMH12's user avatar
  • 89
1 vote
1 answer
119 views

dB SPL readings differ from external sound level meter?

I'm trying to write a program that takes values from a MEMS microphone and calculates the dB of the incoming audio data. The microphone i'm using is this: https://www.mouser.es/datasheet/2/218/...
r0k1m's user avatar
  • 111
0 votes
0 answers
468 views

gnuradio extremely sluggish with QT (but seems OK with WX)

I am evaluating gnuradio with Ettus USRP X310 and 2xUBX-160 daugterboards, connected via GBit ethernet to a new Lenovo laptop running Win10 and gnuradio 3.7.13.5. I am testing it with the most basic ...
divB's user avatar
  • 473
1 vote
0 answers
286 views

What is the minimum and maximum cutoff frequencies for the antialiasing filter for this ADC?

https://www.analog.com/en/products/ad9675.html https://www.analog.com/media/en/technical-documentation/data-sheets/AD9675.pdf It says in the data sheet that the Anti-Aliasing Filter has : "...
Alex Nguyen's user avatar
0 votes
1 answer
109 views

Neural Network learning project based on 8 wave signals over 1 second at 1 sample every 10 ms ( hence 100Hz )

I'm currentely trying to train a neural network that can decide wether a pattern produced by the movement of a hand near capacitive sensors is as expected, or random. I have an MPR121 microchip linked ...
Osamoele's user avatar
0 votes
1 answer
43 views

Data measuring interface

I have an hardware related question. I want to create a measurement set-up so that I can record data for DSP analysis. When searching around I see I have a few different options. The ones I have ...
Jan-Bert's user avatar
  • 335
1 vote
1 answer
311 views

Suggestion for a DSP board to implement a Kalman filter in real-time at a rate of around 4MHz or higher

I have been attempting to implement a Kalman filter on an FPGA in VHDL and have got to the point that it works. However I have the issue that each variable requires 64 bits to be represented to get ...
SomeRandomPhysicist's user avatar
1 vote
1 answer
106 views

Spectrum Sensing HW

I am interested to use an existing hardware to perform a spectrum sensing/monitoring in the frequency range of 2.2–2.6 GHz. Taking into account that the 802.11ac channels are in the range of 2.4–2.5 ...
SenSen's user avatar
  • 113
0 votes
1 answer
497 views

Resampling scattered data with MATLAB's $\tt interp$ and $\tt resample$

I am recording acceleration data with an MPU6050 connected to a Arduino1 and stored on a SD. Here you can find the code. I need to calculate the FFT of an acceleration signal that was not sampled ...
Andrea Ciufo's user avatar
1 vote
1 answer
2k views

How to calculate FFT of a non-uniformly sampled signal?

Is it possible to calculate the FFT of a signal that was not sampled uniformly? I have an MPU6050 connected to an Arduino uno. I write the samples at the default frequency, approximately 20 ...
Andrea Ciufo's user avatar
6 votes
2 answers
374 views

Audio DSP HW Recommendation

I'm very new to DSP hardware, so I am taking it upon myself to learn it with regard to Audio and Acoustic Signal Processing. I've learned quite a bit of theory in a graduate DSP course, but absolutely ...
Mimmo's user avatar
  • 61
2 votes
1 answer
426 views

Architecture for high sample-rate FIR/IIR filter on FPGA or ASIC?

Assume we have a hardware (FPGA or ASIC) which can operate at a fixed processing frequency of $100\textrm{ MHz}$. Assume we have an input data stream of $1\textrm{GSPS}$ (which has been sampled using ...
dopamine's user avatar
0 votes
1 answer
86 views

Hardware advice for machine vision project

I am working in facial feature detection in video images. I was hoping to get some general advice about camera/lens technologies to determine if I can upgrade my camera/lens. Basically, the problem ...
user3079907's user avatar
1 vote
1 answer
155 views

Multichannel input/output evaluation board

I'm working on a project at school and the first step is to choose a dsp/evaluation board but I'm having trouble. The project is to create a system that can be used for a variety of audio applications ...
Ryan S's user avatar
  • 11
2 votes
0 answers
388 views

Is Karplus-Strong synthesis a reliable way to test pitch detection algorithms?

I'm using Arduino DUE (Cortex-M3 based board). I want to make a guitar sound using DAC (digital to analog converter). For instance, the note A2's fundamental frequency is 110 Hz (using A4 440 Hz as ...
David Badger's user avatar
2 votes
2 answers
1k views

DSP Hardware for Detecting an Audio "Click"

I am working on isolating a specific audio click in a factory type setting. After my initial analysis I determined that a 2-pole High Pass Filter set between 500 and 800Hz would work best for me. The ...
Novaura's user avatar
  • 21
5 votes
1 answer
116 views

Does the Quality of the Pictures Taken by a USB 3.0 Camera Depend on Cable Length?

I've got a JAI GO-5000-USB camera and have tried several cable lengths, ranging from 40cm to 5m. So far, I haven't observed many differences in the quality of the pictures I've taken. Since I want ...
Mickey's user avatar
  • 153
0 votes
1 answer
40 views

How to accurately count the time period (hardware)?

Input : Square wave which sweeps over time domain. (about 1 MHz) Output: The time period of high/low value. Like the timer does, I would like to know the actual time (in sec) when the input goes high ...
pakornosky's user avatar
2 votes
1 answer
378 views

Ear Test using MATLAB

I'm trying to test my ear frequency range by using MATLAB. The thing I could not understand is that I can hear the frequencies above 20 kHz. My sampling frequency is enough to satisfy the Nyquist ...
Toygan's user avatar
  • 177
2 votes
3 answers
191 views

Hardware Transfer Function Estimation

Suppose you have the ability to inject any arbitrary waveform into a piece of analog rf hardware and collect and digitize the output for analysis. If you wanted to characterize/estimate the transfer ...
random_dsp_guy's user avatar
4 votes
2 answers
564 views

3CCD or monochrome with Bayer filter?

I was wondering if any one with experience with both sensors can give some insight on this. I've heard there can be problems with alignment of the different signals using a 3CCD. However, when using ...
Geerten's user avatar
  • 1,371
3 votes
2 answers
6k views

DSP Benchmarks for ARM Cortex-M4 processor

Does anyone know where there are any benchhmark timings for the DSP functionality in the ARM CMSIS V2 running on a Cortex-M4 processor. I am trying to work out whether this processor is powerful ...
uɐɪ's user avatar
  • 161
16 votes
3 answers
3k views

How to decide what platform is best to implement real-time audio processing on?

When developing products I do all of my algorithm design in Matlab. They are usually pretty basic, an IIR or FIR filter or two, a couple FFTs, etc. When it comes time to move it to an embedded ...
Kellenjb's user avatar
  • 1,103