關於 spectrum spread ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. What is Spread Spectrum? - Definition from Techopedia

Spread spectrum is a technique used for transmitting radio or telecommunications signals. The term refers to the practice of spreading the ...

#12. Spread Spectrum Clocking using the CDCS502/503 - Texas ...

Spread Spectrum Clocking (SSC) is a common way to overcome EMI issues. This application report provides an overall view of the principles behind SSC.

#13. AN12879 - How to Enable Spread Spectrum for RT Family - NXP

Spread spectrum is a communication technology that turns the frequency spectrum of a transmission signal to a wider bandwidth than its original.

#14. Spread Spectrum Clocking and Clock Generators (SSCG)

Frequency references, whether crystal oscillators or silicon-based PLLs, can be a major source of EMI on circuit boards. Spread spectrum clocking is a technique ...

#15. A spread spectrum clock generator for EMI reduction

This paper described a new method to generate a spread spectrum clock for the purpose of EMI reduction. This method uses two phase-locked loops (PLL).

#16. RF451: 900 MHz 1 W Spread-Spectrum Radio - Campbell ...

The RF451 is a 902 to 928 MHz frequency-hopping spread-spectrum radio. The radio features high noise immunity, fast serial data transfer speeds, ...

#17. Spread spectrum communication - AccessScience

Spread spectrum signals are typically transmitted by electromagnetic waves in free space, with usage in both nonmilitary and military systems. The content above ...

#18. Self-encoded spread spectrum communications - IEEE Xplore

We present a novel spread spectrum communication system for the secure transmission of digital information. The approach is based on the unconventional ...

#19. Principles of Spread-Spectrum Communication Systems

This textbook provides a concise but lucid explanation of the fundamentals of spread-spectrum systems with an emphasis on theoretical principles.

#20. Spread Spectrum Oscillators産品| Avnet Asia Pacific

在Avnet APAC搜索Spread Spectrum Oscillators 產品於Oscillators。查詢價格、庫存、在線購買和 ... Spread Spectrum Oscillator 100MHz LVDS ±25ppm 6-Pin SMD T/R.

#21. Tutorial on Spread Spectrum Technology - EETimes

Spread -spectrum transmitters use similar transmit power levels to narrowband transmitters. Because spread-spectrum signals are so wide, they transmit at a much ...

#22. Performance Analysis of Spread Spectrum Techniques

Spread spectrum [1] is more precise: an RF communications system in which the baseband signal bandwidth is intentionally spread over a larger bandwidth by ...

#23. Spread Spectrum Clocking Datasheet - Tektronix

The Tektronix Spread Spectrum Clocking (SSC) license unlocks the SSC feature provided in the High Speed Serial application plug-in (available for the ...

#24. Introduction to Spread-Spectrum Communications - 博客來

書名：Introduction to Spread-Spectrum Communications，語言：英文，ISBN：0024316237，作者：Peterson, Roger L./ Ziemer, Rodger E./ Borth, David E.， ...

#25. SSC（Spread Spectrum擴散Clock）的對應狀況是什麼？｜哉 ...

Except for the products implemented with SSCG (Spread Spectrum Clock Generator), no SS clock generation function is supported. If you find the input clock ...

#26. 1 to 141 MHz, Spread-spectrum Oscillator - SiT9005 - SiTime

1 MHz to 141 MHz EMI reduction spread-spectrum programmable MEMS oscillator (SSXO). ±20, ±25, ±50 ppm frequency stability, up to 30 dB reduction, ...

#27. Dynamic Logistic Map Based Spread Spectrum Modulation in ...

Dynamic Logistic Map Based Spread Spectrum Modulation in Wireless Channels: 10.4018/IJAEC.2018040105: Generation of an efficient spreading code in Spread ...

#28. Spread Spectrum Modulation - Tutorialspoint

A collective class of signaling techniques are employed before transmitting a signal to provide a secure communication, known as the Spread Spectrum ...

#29. Spread Spectrum and VL-SNR - ST Engineering iDirect

Spread Spectrum is employed on our Evolution, Velocity, and Dialog networks to minimize adjacent satellite interference (ASI). Very Low Signal-to-Noise (VL-SNR) ...

#30. Spread Spectrum Transmission

Spread Spectrum Transmission ... The ratio between the bandwidth of the user signal and the transmit bandwidth is called the "spreading factor". ... However, under ...

#31. Si5332 Spread Spectrum and Other EMI Reduction Techniques

Spread spectrum clocking (SSC) is “frequency modulation” of a clock that is a very powerful tool for reducing EMI. As shown in the figure below, spread spectrum ...

#32. Spread Spectrum Communication Through Modulation of Chaos

This system has the advantage of transmitting a spread spectrum signal and is also more secure in the sense that better parameter matching is required in ...

#33. Spread-Spectrum Crystal Oscillator (SSXO) - Diodes ...

SSXO uses PLL and Spread-Spectrum Clock Generator (SSCG) to synthesize and modulate the frequency of input crystal. Low electromagnetic interference (EMI).

#34. Definition of spread spectrum | PCMag

A radio technique that continuously alters its transmission pattern either by constantly changing carrier frequencies or by constantly changing the data ...

#35. A Technology Introduction and Tutorial - Spread Spectrum ...

Spread Spectrum transmitters use similar transmit power levels to narrow band transmitters. Because Spread Spectrum signals are so wide, they transmit at a much ...

#36. A spread-spectrum clock generator using phase interpolation ...

A design, layout and simulation of a spread-spectrum clock generator (SSCG) is presented. The SSCG modulates the clock frequency used to switch the digital ...

#37. Reliable Spread Spectrum Communication Systems by Using ...

We employ a single Low-Density Parity Check (LDPC) code for the both channel coding and direct sequence spectrum spreading. We show that the BER ...

#38. Spectrum Spread - 10 oz, Nutrition Information | Innit

Get calories and nutrition facts on Spectrum Spread - 10 oz including the amount of fat, cholesterol and protein per serving, or find healthy food ...

#39. A Multiple-Access Time and Frequency Spectrum-Spreading ...

Spread spectrum techniques are employed for secure communications, increasing resistance to interference, noise, and jamming.

#40. Multi-Carrier Spread-Spectrum | Khaled Fazel | Springer

[1-2]. A multiple access scheme based on direct sequence spread spectrum, known as direct sequence code division multiple access (DS-CDMA) relies on spreading ...

#41. Spread Spectrum Communications - Introduction

Spread spectrum system, originally developed for military applications, is extremely resistant to unauthorized detection, jamming, ...

#42. Spread spectrum transceiver module utilizing multiple mode ...

The present invention relates generally to communication networks utilizing spread spectrum radio transceivers, and, more specifically, to multi-hop RF networks ...

#43. (PDF) Design and Develop Wireless System Using Frequency ...

PDF | On Nov 1, 2006, Yahya Abid and others published Design and Develop Wireless System Using Frequency Hopping Spread Spectrum | Find, read and cite all ...

#44. spread spectrum用于句子| 剑桥词典中的例句

The same data signal is also phase modulated onto the carrier using a 512-bit long pseudorandom sequence (direct-sequence spread spectrum modulation). 来自.

#45. PhaseLink Application Note

A simple description of spread spectrum modulation is the movement of the clock output frequency back and forth to spread the RF power of interference caused by ...

#46. SM.1055 - The use of spread spectrum techniques - ITU

Spread -spectrum, direct sequence, frequency hopping. The ITU Radiocommunication Assembly, considering a) that spread spectrum systems can offer improved ...

#47. Pages - Spread Spectrum Communication Techniques - DAU

Spread Spectrum signals have a low probability of being intercepted or detected since the power in the transmitted wave is "spread" over a large bandwidth or ...

#48. Spectrum spreading and encryption of underwater optical ...

Abstract. An underwater optical communication system using spread spectrum with OFDM modulation was demonstrated for the first time.

#49. Using Spread-Spectrum Techniques | DigiKey - Hong Kong

Use spread-spectrom techniques to manage switching power supply EMI and noise levels with IC's from Linear Technology corp and Texas ...

#50. ISM vs. Spread Spectrum -- Avoiding the FCC - Microwave ...

Spread Spectrum -- Avoiding the FCC Mitchell Lazarus Fletcher Heald & Hildreth PLC Arlington, VA T he Federal Communications Commission ...

#51. Compressive detection of frequency-hopping spread spectrum ...

Compressive detection of frequency-hopping spread spectrum signals ... risk of never overlapping with the transmitted signal depending on ...

#52. The spread of CTX-M-type extended-spectrum beta-lactamases

CTX-M-type enzymes are a group of class A extended-spectrum beta-lactamases (ESBLs) that are rapidly spreading among Enterobacteriaceae worldwide.

#53. A Spread-Spectrum Clock Generator Using Fractional-N PLL ...

作品名稱, A Spread-Spectrum Clock Generator Using Fractional-N PLL Controlled Delta-Sigma Modulator for Serial-ATA III. 作品名稱（其他語言）.

#54. Spread Spectrum Communications

This course presents an analysis of the performance and design of spread-spectrum communication systems. Both direct-sequence and frequency-hopping systems ...

#55. Tutorial on Spread Spectrum Technology - EDN

Spread -spectrum signals are intentionally made to be a much wider band than the information they are carrying to make them more noise-like.

#56. Fundamentals of Spread Spectrum Modulation - Morgan ...

After reviewing basic digital modulation techniques, the principal forms of spread spectrum modulation are described. One of the most important components of a ...

#57. Physical layer security based on spread‐spectrum ...

This paper proposes a watermark-based blind physical layer security utilizing a jamming receiver in conjunction with the spread spectrum ...

#58. Combination of OFDM and spread spectrum for high data rate ...

spread spectrum for high data rate UWB: optimization of the spreading length. 2007 IEEE. International Conference on Ultra-WideBand, ...

#59. spectrum spread 中文 - 查查綫上辭典

spectrum spread 中文::頻譜擴展…，點擊查查權威綫上辭典詳細解釋spectrum spread的中文翻譯，spectrum spread的發音，音標，用法和例句等。

#60. DS1090 Spread-Spectrum EconOscillator™ - Maxim | Mouser

Maxim Integrated DS1090 Spread-Spectrum EconOscillator™ is a dithered oscillator intended for use as an external clock for switched-mode power supplies and ...

#61. Design, Implementation, and Evaluation of a Hybrid DS/FFH ...

spectrum system under widely varying design parameters. Keywords—Hybrid spread-spectrum; direct-sequence; frequency-hopping; interference; jamming; ...

#62. Spread Spectrum in Mobile Computing - javatpoint

In other words, "Spread Spectrum is a technique in which the transmitted signals of specific frequencies are varied slightly to obtain greater bandwidth as ...

#63. Long-Range Acoustic Communication Using Differential Chirp ...

Keywords: chirp spread spectrum; differential coding; long-range acoustic communication; time– bandwidth product; lake experiment; ...

#64. T3400 spread spectrum clock - Precision Fixed Workstations

Solved: Hello, I need to insert PCIe card to Precision T3400. To work with PCIe card, It is needed to turn off spread spectrum clock (SSC) ...

#65. 展頻時脈產生器Spread Spectrum Clock Generator ( SSCG )

Spread Spectrum Clock Generator ( SSCG ). 電機系 高少谷 助理教授. 1.前言. 展頻時脈的技術是頻率調變( FM )的一種應用，相反地，頻率調變通常會伴隨產生展頻的效果 ...

#66. spread-spectrum multiple access | communications | Britannica

…is sometimes referred to as spread-spectrum multiple access (SSMA), because the process of multiplying the signal by the code sequence causes the power of ...

#67. What is a Spread Spectrum? - Computer Hope

In telecommunications, spread spectrum is a technique where a signal's original bandwidth is spread across frequencies, widening its ...

#68. SST - Spread Spectrum Technologies. American High Fidelity

Spread Spectrum Technologies, founded by legendary designer and engineer James Bongiorno, has always embodied the essence of high-end audio: ...

#69. What is Direct Sequence Spread Spectrum? - everything RF

Direct-Sequence Spread Spectrum (DSSS) is a modulation technique used in telecommunications to reduce interference in signals during ...

#70. Spread spectrum SERS allows label-free detection of ... - Nature

Due to the spectrum spreading properties of the PN code, coded light, and coded SERS signals, the coded fluorescence signals are spread out in ...

#71. The IET Shop - Spread Spectrum in Communication

#72. Development and application of spread-spectrum ultrasonic ...

Spread -spectrum techniques were primarily developed for the military applications of signal hiding, interference suppression, and anti-jamming [26]. For a long ...

#73. Data Coding Theory/Spectrum Spreading - Wikibooks

1 Spread Spectrum · 2 Why CDM? · 3 Direct CDM · 4 Benefits of CDM. 4.1 Spreading Code; 4.2 Increased Bitrate; 4.3 Security; 4.4 Multiplexing · 5 direct CDM (DSS) · 6 ...

#74. Correlation analysis for spread-spectrum induced-polarization ...

This processing is applied to the data acquired using a new frequency-domain IP method called the spread-spectrum induced-polarization (SSIP) approach.

#75. Performance analysis of direct-sequence spread-spectrum ...

Direct-sequence spread-spectrum signals collected from the TREX04 experiment are analyzed to determine the bit-error-rate (BER) as a function of the input ...

#76. Spread Spectrum

Spread Spectrum. ❑ Input is fed into a channel encoder o Produces analog signal with narrow bandwidth. ❑ Signal is further modulated using sequence of ...

#77. Interference Suppression in Bandwidth Hopping Spread ...

Bandwidth hopping spread spectrum (BHSS) has recently been proposed as a spectrum-efficient technique to combat jamming.

#78. Understanding Spread-Spectrum RF Communication

What changes is the peak power, because the transmitted power is distributed over a wider frequency band. How to Spread a Spectrum. Changing a standard RF ...

#79. 252845 Spread Spectrum Computer Clocks - Federal ...

Answer: It is permissible to use a Spread Spectrum Clock Generator (SSCG) for a digital device. When measuring the emissions from a digital device with a ...

#80. Using Spread Spectrum Techniques to Reduce EMI - In ...

Digital and power electronic systems can reduce the radiated and conducted emissions profile using spread spectrum techniques.

#81. Analysis, optimization, and implementation of a hybrid DS/FFH ...

Hybrid spread-spectrum (HSS) systems, which combine direct-sequence (DS) and frequency-hopping (FH) spread-spectrum (SS) techniques, ...

#82. Spread Spectrum Clocks - Microcontroller Tips

One way of reducing the interference caused by digital clocks is to use spread spectrum clocking.

#83. Spread Spectrum - Finjan Blog

Spread spectrum is a type of wireless communication in which there's a deliberate variation made in the frequency of a transmitted signal.

#84. NCV890204: Automotive Switching Regulator, Buck, 2.0 A, 2 ...

NCV890204: Automotive Switching Regulator, Buck, 2.0 A, 2 MHz, Spread Spectrum · Audio · Infotainment · Safety − Vision Systems · Instrumentation.

#85. Do Altera devices support spread-spectrum clock input signals?

Yes, provided the spread-spectrum clock feeds a phase-locked loop (PLL) in any of the following Altera devices: FLEX 10KE APEX 20K APEX 20KE APEX II Mercury ...

#86. Spread-Spectrum Clock Generation in Spartan-6 FPGAs - Xilinx

Spread -spectrum clocking can be used to address electromagnetic compatibility (EMC) issues within these consumer devices. This application note ...

#87. STM32 MCUs spread-spectrum clock generation principles ...

The STM32F2 Series, STM32F4 Series and STM32F7 Series embed a SSCG (spread- spectrum clock generation) in their main PLL (phase-locked loop) ...

#88. Spread Spectrum -- from Eric Weisstein's World of Physics

The direct sequence spread spectrum method uses a linear-feedback shift register sequence. The Fourier transform of an LFSR sequence is a discretized ...

#89. Spread spectrum modulation terms and definitions for wireless ...

This also makes the signal more robust and resistant to interference and interception. Characteristics of spread spectrum modulation. Spread ...

#90. Wideband SIGINT Application: Spread-Spectrum Technology

Spread -spectrum systems use a spreading algorithm based on a pseudo-noise (PN) code to spread a radio signal across a wide bandwidth.

#91. Multi-Carrier and Spread Spectrum Systems

In this chapter, the different concepts of the combination of multi-carrier transmission with spread spectrum, namely MC-CDMA and MC-DS-CDMA are analyzed.

#92. Multi-Carrier Spread-Spectrum & Related Topics: Third ...

The SS-OFDM modulation signal Sk is generated by spectrum spreading to OFDM signal given in (1) by using a common PN code pK. The SS-OFDM modulation signal ...

#93. An Introduction to Spread Spectrum Techniques - Air Power ...

This technology comprises a collection of ideas which are termed Spread Spectrum Techniques (SST). Spread Spectrum techniques have some powerful properties ...

#94. Fundamentals of Spread Spectrum Modulation

9 SUMMARY In this lecture, the fundamental concepts of spread spectrum modulation have been presented. Spread spectrum modulation can be defined as any ...

#95. Spread Spectrum and CDMA: Principles and Applications

Spread spectrum and CDMA are cutting - edge technologies widely used in operational radar , navigation and telecommunication systems and play a pivotal role ...

#96. Principles of Spread-Spectrum Communication Systems

Meyr H, Polzer G. Performance analysis for general PN spread-spectrum acquisition techniques. IEEE Trans Commun. 1983;31:1317–9. Miller LE, Lee JS, ...