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通讯编程文档 SPREAD SPECTRUM MODULATION TECHNIQUES -spread spectrum - those modulation methods that are producin
SPREAD SPECTRUM MODULATION TECHNIQUES
-spread spectrum - those modulation methods that are producing a signal whose
spectrum is more wider than of the data signal, the occupied frequency band being
independent by the signal of data band.
-The signals with spread spectrum of direct sequence type BPSK ...
其他书籍 Frequency domain characterization of los nonfading indoor wireless LAN channel employing frequency a
Frequency domain characterization of los nonfading indoor wireless LAN channel employing frequency and polarization diversity in the 63.4 to 65.4GHz band
其他书籍 A basic Fourier transform identity coupled with an iterative convergence algorithm provides a powerf
A basic Fourier transform identity coupled with an iterative convergence algorithm provides a powerful method to align band-limited signals.
网络 檔案傳輸協定(FTP)為目前相當普遍與廣泛使用之網路 應用。然而在傳統檔案傳輸協定之設計下
檔案傳輸協定(FTP)為目前相當普遍與廣泛使用之網&#63799 應用。然而在傳統檔案傳輸協定之設計下,資&#63934 傳輸透過Out-of-Band(OOB)之機制,意即透過控制頻道(control channel)傳輸指&#63912 ,而實際資&#63934 傳輸則另外透過特定之通訊埠以及TCP&#63898 線,進&#64008 傳送。如此一&#63789 可確保資&#63934 傳輸之可靠 ...
无线通信 dual-band microstrip antenna
一种双频微带天线方案的分析与设计
论文 基于频率插值的4.0kbps 语音编码器的性能和设计(英文)
The 4.0 kbit/s speech codec described in this paper is based on a
Frequency Domain Interpolative (FDI) coding technique, which
belongs to the class of prototype waveform Interpolation (PWI)
coding techniques. The codec also has an integrated voice
activity detector (VAD) and a noise reduction capabi ...
软件 AD826
High-Speed, Low-Power
Dual Operational Amplifier
The AD826 features high output current drive capability of
50 mA min per amp, and is able to drive unlimited capacitive
loads. With a low power supply current of 15 mA max for both
amplifiers, the AD826 is a true general p ...
书籍 Distributed Antenna Systems
The rapid growth in mobile communications has led to an increasing demand for wide-
band high data rate communications services. In recent years, Distributed Antenna
Systems (DAS) has emerged as a promising candidate for future (beyond 3G or 4G)
mobile communications, as illustrated by projects such ...
书籍 Essentials+of+LTE+and+LTE-A
The next-generation wireless broadband technology is changing the way
we work, live, learn, and communicate through effective use of state-
of-the-art mobile broadband technology. The packet-data-based revolu-
tion started around 2000 with the introduction of 1x Evolved Data Only
(1xEV-DO) and 1x Ev ...
书籍 HSDPAHSUPA+for+UMTS+High+Speed+Radio+Access
The first Third Generation Partnership Project (3GPP) Wideband Code Division
Multiple Access (WCDMA) networks were launched during 2002. By the end of 2005
there were 100 open WCDMA networks and a total of over 150 operators having
frequency licenses for WCDMA operation. Currently, the WCDMA network ...