thetaT=0 T平臺波束斜視角 thetaT=thetaT*pi/180 rad thetaR=0 R平臺波束斜視角 thetaR=thetaR*pi/180 c=3e8 光速 fc=1.5e9 載頻 lambda=c/fc 波長
標(biāo)簽: thetaT thetaR 180 pi
上傳時(shí)間: 2013-12-24
上傳用戶:hongmo
A user-space device driver can do many of the things that kernel drivers can t, such as perform a long-running computation, block while waiting for an event, or read files from the file system. Unlike kernel drivers, a user-space device driver can use other device drivers--that is, access the network, talk to a serial port, get interactive input from the user, pop up GUI windows, or read from disks. User-space drivers implemented using FUSD can be much easier to debug it is impossible for them to crash the machine, are easily traceable using tools such as gdb, and can be killed and restarted without rebooting even if they become corrupted. FUSD drivers don t have to be in C--Perl, Python, or any other language that knows how to read from and write to a file descriptor can work with FUSD. User-space drivers can be swapped out, whereas kernel drivers lock physical memory.
標(biāo)簽: user-space can drivers perform
上傳時(shí)間: 2014-01-01
上傳用戶:saharawalker
Windows Embedded CE 6.0 基礎(chǔ)開發(fā)電子書(英文原版 CHM格式)
標(biāo)簽: Embedded Windows 6.0 CHM
上傳時(shí)間: 2017-06-25
上傳用戶:lhc9102
M i c r o s o f t公司編譯了一個(gè)所有可能的錯(cuò)誤代碼的列表,并且為每個(gè)錯(cuò)誤代碼分配了一個(gè)3 2 位的號碼。Wi n E r r o r. h 頭文件包含了M i c r o s o f t 公司定義的錯(cuò)誤代碼的列 表。
上傳時(shí)間: 2013-12-08
上傳用戶:凌云御清風(fēng)
模擬退火算法的基本思想是從一給定解開始,從鄰域中隨機(jī)產(chǎn)生另一個(gè)解,接受Metropolis準(zhǔn)則允許目標(biāo)函數(shù)在有限范圍內(nèi)變壞,它由一控制參數(shù)t決定,其作用類似于物理過程中的溫度T,對于控制參數(shù)的每一取值,算法持續(xù)進(jìn)行“產(chǎn)生—判斷—接受或舍去”的迭代過程,對應(yīng)著固體在某一恒定溫度下的趨于熱平衡的過程,當(dāng)控制參數(shù)逐漸減小并趨于0時(shí),系統(tǒng)越來越趨于平衡態(tài),最后系統(tǒng)狀態(tài)對應(yīng)于優(yōu)化問題的全局最優(yōu)解,該過程也稱為冷卻過程,由于固體退火必須緩慢降溫,才能使固體在每一溫度下都達(dá)到熱平衡,最終趨于平衡狀態(tài),因此控制參數(shù)t經(jīng)緩慢衰減,才能確保模擬退火算法最終優(yōu)化問題的整體最優(yōu)解。
標(biāo)簽: Metropolis 控制 參數(shù) 模擬退火算法
上傳時(shí)間: 2013-12-25
上傳用戶:cmc_68289287
t檢驗(yàn)的fortran程序 看是否對大家有幫助
上傳時(shí)間: 2017-06-27
上傳用戶:gtf1207
主要學(xué)習(xí)ATmega8的T/C0、T/C1 和T/C2 三個(gè)定時(shí)/計(jì)數(shù)器的應(yīng)用,并利用protues進(jìn)行仿真調(diào)試。
標(biāo)簽: ATmega8 定時(shí) 計(jì)數(shù)器
上傳時(shí)間: 2013-12-17
上傳用戶:ls530720646
主機(jī)板電路圖 有需要 可以看看囉 有點(diǎn)舊 但是很實(shí)用唷~~
標(biāo)簽:
上傳時(shí)間: 2017-06-30
上傳用戶:dsgkjgkjg
Specification (GB)_TTI Messages via Traffic Message Coding-Location Referencing for ALERT-C (GB-T 20612.3-2006, 200611)
標(biāo)簽: Coding-Location Specification Referencing Messages
上傳時(shí)間: 2014-10-30
上傳用戶:362279997
WCDMA是數(shù)位通訊重要的調(diào)變方式之一,本書主要介紹WCDMA在UMTS/HSPA(2G/3G)和LTE(4G)的應(yīng)用
上傳時(shí)間: 2017-07-05
上傳用戶:kristycreasy
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