main logo

Digital Communications

I 10 migliori prodotti di novembre 2024
Ultimo aggiornamento: 18 novembre 2024
Waveshare
Waveshare
Waveshare 8-Ch Ethernet Relay Module (B) With Digital Input, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
Spedizione gratuita
star

96

QUALITÀ SUPERIORE

VEDI SU AMAZON
Amazon.it
#2

  • An industrial 8-ch relay module controlled via Ethernet port, with 8-ch digital input, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case. The Modbus POE ETH Relay (B) is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements.
  • Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically. Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. The relay supports digital input linkage control or toggle control
  • Supports DC 7~36V wide range power input and PoE power supply. Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status
  • Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit. Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤10A 250VAC/30VDC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. Applicable to Industrial Control, Smart Home, Smart Agriculture, Breeding / Farming
  • 66,99 € SU AMAZON
Ashish Kumar
Ashish Kumar
Digital Communication                            
star

66

QUALITÀ BUONA

VEDI SU AMAZON
Amazon.it
#10

  • This ultimate free unique application is for all students across the world. It covers 147 topics of Digital communication in detail. These 147 topics are divided in 5 units.
  • Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.
  • This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.
  • Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.
  • Some of topics Covered in this application are:
  • 1. Elements of Digital communication systems
  • 2. Advantages of digital communication systems
  • 3. Elements of PCM: Sampling, Quantization and coding
  • 4. Quantization error
  • 5. Compading in PCM systems
  • 6. Differential PCM systems (DPCM)
  • 7. Delta Modulation
  • 8. Adaptive delta modulation
  • 9. T1 carrier system
  • 10. Comparison of PCM and DM systems
  • 11. Noise in communication system
  • 12. Noise consideration in PCM system
  • 13. Line coding
  • 14. Line codes; RZ and NRZ
  • 15. Inter symbol interference
  • 16. Pulse shaping
  • 17. Nyquist Criterion
  • 18. Raised cosine spectrum
  • 19. Amplitude Shift Keying
  • 20. Frequency Shift Keying
  • 21. Coherent detection of ASK
  • 22. Non-coherent ASK detector
  • 23. Bandwidth and frequency spectrum of FSK
  • 24. Non coherent FSK detector
  • 25. Coherent FSK detector
  • 26. FSK detection using PLL
  • 27. Binary Phase Shift Keying
  • 28. Binary Phase Shift Keying
  • 29. Quadrature Phase Shift Keying
  • 30. Quadrature Phase Shift Keying
  • 31. Minimum Shift Keying
  • 32. M-ary Modulation
  • 33. Conditional Probability
  • 34. Joint Probability
  • 35. Statistical Independence
  • 36. Continuous Random Variables
  • 37. Discrete random variables
  • 38. Gaussian Probability Density Function
  • 39. Rayleigh Probability Density Function
  • 40. Rician Probability Density Function
  • 41. Mean and Variance
  • 42. Random Process
  • 43. Stationary and Ergodic process
  • 44. Correlation Coefficient
  • 45. Covariance
  • 46. Random Binary Wave
  • 47. Power Spectral Density
  • 48. Information and Entropy
  • 49. Conditional entropy and redundancy
  • 50. Shanon fano Coding
  • 51. Mutual Information
  • 52. Information loss due to noise
  • 53. Huffman coding
  • 54. Variable length coding
  • 55. Source coding
  • 56. Hamming bound
  • 57. The Generator matrix
  • 58. Cyclic codes
  • 59. Encoding of convolution codes
  • 0,00 € SU AMAZON