Multi-Carrier+Spread+Spectrum+2007
Since the principle of multi-carrier code division multiple access (MC-CDMA) was simultaneously prop...
Since the principle of multi-carrier code division multiple access (MC-CDMA) was simultaneously prop...
This book is intended for the graduate or advanced undergraduate engineer. The primary motivation fo...
This reference design describes the design of a 3-phase AC induction vector control drive with posit...
普通GPS接收機(jī)在特殊環(huán)境下,如在高樓林立的城市中心,林木遮擋的森林公路,特別是在隧道和室內(nèi)環(huán)境的情況下,由于衛(wèi)星信號非常微弱,載噪比(Carrier Noise Ratio,C/No)通常都在34d...
偏移正交相移鍵控(OQPSK:Offset Quadrature Phase Shift Keying)調(diào)制技術(shù)是一種恒包絡(luò)調(diào)制技術(shù),具有頻譜利用率高、頻譜特性好等特點(diǎn),廣泛應(yīng)用于衛(wèi)星通信和移動(dòng)通信領(lǐng)...
Phase–locked loop (PLL) frequency synthesizers are commonlyfound in communication gear today. Th...
偏移正交相移鍵控(OQPSK:Offset Quadrature Phase Shift Keying)調(diào)制技術(shù)是一種恒包絡(luò)調(diào)制技術(shù),具有頻譜利用率高、頻譜特性好等特點(diǎn),廣泛應(yīng)用于衛(wèi)星通信和移動(dòng)通信領(lǐng)...
General Description The LM621 is a bipolar IC designed for commutation of brushless DC motors. The...
普通GPS接收機(jī)在特殊環(huán)境下,如在高樓林立的城市中心,林木遮擋的森林公路,特別是在隧道和室內(nèi)環(huán)境的情況下,由于衛(wèi)星信號非常微弱,載噪比(Carrier Noise Ratio,C/No)通常都在34d...
·【英文題名】 Research of Speed Regulate System of Three Phase BLDCM Based on DSP 【作者中文名】 劉桂芬; 【導(dǎo)師】 孟慶春; 【...