a big Java source Code Exemples
標(biāo)簽: Exemples source Java Code
上傳時間: 2013-11-25
上傳用戶:wangyi39
The idea of writing this book entitled “Cognitive Networked Sensing and big Data” started with the plan to write a briefing book on wireless distributed computing and cognitive sensing. During our research on large-scale cognitive radio network (and its experimental testbed), we realized that big data played a central role. As a result, the book project reflects this paradigm shift. In the context, sensing roughly is equivalent to “measurement.”
標(biāo)簽: Cognitive Networked Sensing Data big and
上傳時間: 2020-05-26
上傳用戶:shancjb
·認(rèn)知無線電原理與應(yīng)用 北京郵電大學(xué)出版社 高清PDF內(nèi)容簡介近幾年來,國際學(xué)術(shù)界和IEEE標(biāo)準(zhǔn)化組織愈來愈對認(rèn)知無線電(Cognitive Radio,CR)技術(shù)感興趣,稱其為未來無線通信領(lǐng)域的“下一個大事件”(Next big了hing)。本書通過5章內(nèi)容來闡述認(rèn)知無線電及實現(xiàn)認(rèn)知無線電的代表性技術(shù)途徑,介紹超寬帶認(rèn)知無線電和IEEE 802.22標(biāo)準(zhǔn)。第1章主要介紹Mitola提出的認(rèn)知無線電
標(biāo)簽: 認(rèn)知無線電
上傳時間: 2013-06-19
上傳用戶:prczsf
Who has never experienced oscillations issues when using an operational amplifier? Opampsare often used in a simple voltage follower configuration. However, this is not the bestconfiguration in terms of capacitive loading and potential risk of oscillations.Capacitive loads have a big impact on the stability of operational amplifier-basedapplications. Several compensation methods exist to stabilize a standard op-amp. Thisapplication note describes the most common ones, which can be used in most cases.The general theory of each compensation method is explained, and based on this, specific
標(biāo)簽: 半導(dǎo)體 運放 穩(wěn)定性
上傳時間: 2013-10-28
上傳用戶:chenbhdt
MMC/SD卡以其優(yōu)越的性能,在單片機嵌入式設(shè)備中得到廣泛應(yīng)用。將MMC/SD卡作為外部掉電存儲介質(zhì)應(yīng)用于音頻信號發(fā)生器中,通過8051F330單片機上的SPI接口,實現(xiàn)單片機—MMC/SD卡的存儲擴展,設(shè)計了此硬件平臺上的MMC/SD卡的單片機驅(qū)動程序,并給出了相應(yīng)的程序代碼,滿足音頻信號發(fā)生器的大容量存儲要求。 Abstract: MMC/SD card is more and more widely used in the single chip embedded devices for their excellent performances.This article introduces the application of MMC/SD card as the external power down storage medium in audio signal generator. The extension technology especially for storage of single chip-MMC/SD card via SPI interfaces in 8051F330 single chip, including designs single chip drive program of MMC/SD card based on hardware platform,and also gives the key coding of the program. The implementation of big capacity storage is meaningful in audio signal generator.
標(biāo)簽: 8051F330 音頻信號 發(fā)生器
上傳時間: 2014-12-27
上傳用戶:黃華強
ARM7 是一種低電壓,通用32 位RISC 微處理器單元,可作一般應(yīng)用或嵌入到ASIC 或CSIC中,其簡潔一流的設(shè)計特別適用于電源敏感的應(yīng)用中。ARM7 的小尺寸使它特別適合集成到比較大的客戶芯片中,此芯片中也可以包含RAM, ROM, DSP,邏輯控制和其他代碼。 增強特性:ARM7 和ARM6 有相似性,但增加了以下功能:基于亞微米的制程,增加了速度,減少了電源消耗3V 操作,很小的電源消耗,并同5V 系統(tǒng)兼容較高的時鐘對所以程序執(zhí)行較快。特性總結(jié):l 32 位的RISC 結(jié)構(gòu)處理器(包括32 位地址線和數(shù)據(jù)線);l Little/big Endian 操作模式;l 高性能RISC17 MIPS sustained @ 25 MHz (25 MIPS peak)@ 3Vl 較低的電壓損耗0.6mA/MHz@ 3V fabricated in .8 m CMOS全靜態(tài)操作l 適用于對電源比較敏感的應(yīng)用中l(wèi) 快速中斷響應(yīng)l 適用于實時系統(tǒng)l 支持虛擬內(nèi)存l 支持高級語言l 簡單但功能強大的指令系統(tǒng)
標(biāo)簽: ARM7 數(shù)據(jù)手冊
上傳時間: 2013-10-24
上傳用戶:座山雕牛逼
ARM通訊 H-JTAG 是一款簡單易用的的調(diào)試代理軟件,功能和流行的MULTI-ICE 類似。H-JTAG 包括兩個工具軟件:H-JTAG SERVER 和H-FLASHER。其中,H-JTAG SERVER 實現(xiàn)調(diào)試代理的功能,而H-FLASHER則實現(xiàn)了FLASH 燒寫的功能。H-JTAG 的基本結(jié)構(gòu)如下圖1-1所示。 H-JTAG支持所有基于ARM7 和ARM9的芯片的調(diào)試,并且支持大多數(shù)主流的ARM調(diào)試軟件,如ADS、RVDS、IAR 和KEIL。通過靈活的接口配置,H-JTAG 可以支持WIGGLER,SDT-JTAG 和用戶自定義的各種JTAG 調(diào)試小板。同時,附帶的H-FLASHER 燒寫軟件還支持常用片內(nèi)片外FLASH 的燒寫。使用H-JTAG,用戶能夠方便的搭建一個簡單易用的ARM 調(diào)試開發(fā)平臺。H-JTAG 的功能和特定總結(jié)如下: 1. 支持 RDI 1.5.0 以及 1.5.1; 2. 支持所有ARM7 以及 ARM9 芯片; 3. 支持 THUMB 以及ARM 指令; 4. 支持 LITTLE-ENDIAN 以及 big-ENDIAN; 5. 支持 SEMIHOSTING; 6. 支持 WIGGLER, SDT-JTAG和用戶自定義JTAG調(diào)試板; 7. 支持 WINDOWS 9.X/NT/2000/XP; 8.支持常用FLASH 芯片的編程燒寫; 9. 支持LPC2000 和AT91SAM 片內(nèi)FLASH 的自動下載;
標(biāo)簽: H-JTAG 調(diào)試軟件
上傳時間: 2014-12-01
上傳用戶:Miyuki
ARM通訊 H-JTAG 是一款簡單易用的的調(diào)試代理軟件,功能和流行的MULTI-ICE 類似。H-JTAG 包括兩個工具軟件:H-JTAG SERVER 和H-FLASHER。其中,H-JTAG SERVER 實現(xiàn)調(diào)試代理的功能,而H-FLASHER則實現(xiàn)了FLASH 燒寫的功能。H-JTAG 的基本結(jié)構(gòu)如下圖1-1所示。 H-JTAG支持所有基于ARM7 和ARM9的芯片的調(diào)試,并且支持大多數(shù)主流的ARM調(diào)試軟件,如ADS、RVDS、IAR 和KEIL。通過靈活的接口配置,H-JTAG 可以支持WIGGLER,SDT-JTAG 和用戶自定義的各種JTAG 調(diào)試小板。同時,附帶的H-FLASHER 燒寫軟件還支持常用片內(nèi)片外FLASH 的燒寫。使用H-JTAG,用戶能夠方便的搭建一個簡單易用的ARM 調(diào)試開發(fā)平臺。H-JTAG 的功能和特定總結(jié)如下: 1. 支持 RDI 1.5.0 以及 1.5.1; 2. 支持所有ARM7 以及 ARM9 芯片; 3. 支持 THUMB 以及ARM 指令; 4. 支持 LITTLE-ENDIAN 以及 big-ENDIAN; 5. 支持 SEMIHOSTING; 6. 支持 WIGGLER, SDT-JTAG和用戶自定義JTAG調(diào)試板; 7. 支持 WINDOWS 9.X/NT/2000/XP; 8.支持常用FLASH 芯片的編程燒寫; 9. 支持LPC2000 和AT91SAM 片內(nèi)FLASH 的自動下載;
標(biāo)簽: H-JTAG 調(diào)試軟件
上傳時間: 2013-11-19
上傳用戶:水中浮云
A windows BMP file is a common image format that Java does not handle. While BMP images are used only on windows machines, they are reasonably common. Reading these shows how to read complex structures in Java and how to alter they byte order from the big endian order used by Java to the little endian order used by the windows and the intel processor.
標(biāo)簽: BMP windows common format
上傳時間: 2013-12-27
上傳用戶:gaojiao1999
ARM下 Implement matrix multiplication of 2 square matrices, with data read from an input file and printed both to the console and to an output file. • Assume a file with correct data (no garbage, characters, etc.). • you must check and provide appropriate execution for 2 extra cases, namely when the matrix size given is either “0” , or when the size is greater than the maximum handled of “5” . In these 2 cases you must implement the following behaviour: o If size = 0, then print a message “Size = 0 is unacceptable” and continue by reading the next size for the next 2 matrices (if not end of file). o If size >5, then print two messages: “Size is too big - unacceptable”. Then read and discard the next (size2 ) integers and continue by reading the next size for the next 2 matrices (if not end of file).
標(biāo)簽: multiplication Implement matrices matrix
上傳時間: 2014-08-30
上傳用戶:dsgkjgkjg
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