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ICETEK-AM

  • 轉載自Rulph Chassaing的源代碼,內(nèi)有函數(shù)Adaptc,AdaptIDFIR,adaptidFIRw,AdaptIDIIR, Adaptnoise,Adaptnoise_pcm,Adap

    轉載自Rulph Chassaing的源代碼,內(nèi)有函數(shù)Adaptc,AdaptIDFIR,adaptidFIRw,AdaptIDIIR, Adaptnoise,Adaptnoise_pcm,Adaptpredict, Adaptpredict_pcm,Aliasing,AM,DFT,Dotp4, dotp4clasm,Dotpintrinsic,Dotpipedfix, Dotpnp,Echo_control,Factclasm,Fastconvosim, FFTsinetable,FIR_pcm,FIRcirc_ext,loop_intr_pcm, Noise_gen,Twosumlasmfloat,sweep8000, SinegenDE,Scram16k,PLL.等近100個

    標簽: Adaptnoise_pcm adaptidFIRw AdaptIDFIR AdaptIDIIR

    上傳時間: 2014-01-06

    上傳用戶:李彥東

  • 計算全息close all clc clear A=zeros(64) A(15:20,20:40)=1 A(15:50,20:25)=1 A(45:50,20:40)=1 A(30:34,

    計算全息close all clc clear A=zeros(64) A(15:20,20:40)=1 A(15:50,20:25)=1 A(45:50,20:40)=1 A(30:34,20:35)=1 % ppp=exp(rand(64)*pi*2*i) A=A.*ppp % Author s email: zjliu2001@163.com figure imshow(abs(A),[]) Fa=fft2(fftshift(A)) Fs=fftshift(Fa) Am=abs(Fs) % amplitude Ph=angle(Fs) % phase s=11 % 這表示邊長嗎? cgh=zeros(64*s) th=max(max(abs(Fs)))

    標簽: 20 close clear zeros

    上傳時間: 2014-10-13

    上傳用戶:wweqas

  • 本系統(tǒng)以51單片機為控制核心

    本系統(tǒng)以51單片機為控制核心,由正弦信號發(fā)生模塊、功率放大模塊、調(diào)幅(AM)、調(diào)頻(FM)模塊、數(shù)字鍵控(ASK,PSK)模塊以及測試信號發(fā)生模塊組成。采用數(shù)控的方法控制DDS芯片AD9850產(chǎn)生0Hz-30MHz正弦信號,經(jīng)濾波、放大和功放模塊放大至6v并具有一定的驅動能力。測試信號發(fā)生模塊產(chǎn)生的1kHz正弦信號經(jīng)過調(diào)幅(AM)模塊、調(diào)頻(FM)模塊,對高頻載波進行調(diào)幅或調(diào)頻。二進制基帶序列信號送入數(shù)字鍵控模塊,產(chǎn)生二進制PSK或ASK信號,同時對ASK信號進行解調(diào),恢復出原始數(shù)字序列。 另外,本系統(tǒng)從簡單、調(diào)整方便、功能完備為出發(fā)點,基本實現(xiàn)了設計中的要求,波形輸出較穩(wěn)定,且精度較高。本設計還配備有LED顯示屏、鍵盤,提供了友好的人機交互界面。

    標簽: 51單片機 控制 核心

    上傳時間: 2017-01-04

    上傳用戶:hewenzhi

  • 用正交調(diào)制方法實現(xiàn)模擬調(diào)制

    用正交調(diào)制方法實現(xiàn)模擬調(diào)制,包括AM,DSB,SSB,LSB,FM,AM-FM等,實現(xiàn)后,顯示時域波形和功率譜密度

    標簽: 正交調(diào)制 模擬 調(diào)制

    上傳時間: 2013-12-24

    上傳用戶:lizhizheng88

  • DRM(Digital Radio Mondiale)系統(tǒng)采用OFDM調(diào)制方式

    DRM(Digital Radio Mondiale)系統(tǒng)采用OFDM調(diào)制方式, 引入了先進的信源信道編碼和調(diào)制技術,使得AM波段的音頻廣播質(zhì)量大大提高,在保持現(xiàn)有10kHz帶寬時接近了FM廣播的質(zhì)量[5]

    標簽: Mondiale Digital Radio OFDM

    上傳時間: 2017-01-17

    上傳用戶:xiaohuanhuan

  • A "code-what"? Unless you have spent some time working in the area of reverse engineering, chances a

    A "code-what"? Unless you have spent some time working in the area of reverse engineering, chances are you have not heard of the term "codecave" before. If you have heard of it, you might not have read a clear definition of it or quite understand what it is or why it is useful. I have even asked seasoned assembly programmers about the term before and most of them had not heard of it. If it is new to you, do not worry, you are not the only one. It is a term that is scarcely used and is only useful in a reverse engineering context. Furthermore, is it "codecave" or "code cave"? I am not quite sure, but I will try my best to refer to it consistently as a "codecave". A space may sneak in there from time to time

    標簽: engineering code-what chances reverse

    上傳時間: 2014-01-17

    上傳用戶:hn891122

  • DS1302 是 DALLAS 公司推出的涓流充電時鐘芯片 內(nèi)含有一個實時時鐘/日歷和 31 字節(jié)靜態(tài) RAM 通過簡 單的串行接口與單片機進行通信 實時時鐘/日歷電路提供秒 分 時 日 日期 月

    DS1302 是 DALLAS 公司推出的涓流充電時鐘芯片 內(nèi)含有一個實時時鐘/日歷和 31 字節(jié)靜態(tài) RAM 通過簡 單的串行接口與單片機進行通信 實時時鐘/日歷電路提供秒 分 時 日 日期 月 年的信息 每月的天 數(shù)和閏年的天數(shù)可自動調(diào)整 時鐘操作可通過 AM/PM 指示決定采用 24 或 12 小時格式 DS1302 與單片機之 間能簡單地采用同步串行的方式進行通信 僅需用到三個口線 1 RES 復位 2 I/O 數(shù)據(jù)線 3 SCLK 串行時鐘 時鐘/RAM 的讀/寫數(shù)據(jù)以一個字節(jié)或多達 31 個字節(jié)的字符組方式通信 DS1302 工作時功耗很 低 保持數(shù)據(jù)和時鐘信息時功率小于 1mW

    標簽: DALLAS 1302 RAM 實時時鐘

    上傳時間: 2014-06-06

    上傳用戶:weixiao99

  • Instead of finding the longest common subsequence, let us try to determine the length of the LCS.

    Instead of finding the longest common subsequence, let us try to determine the length of the LCS. 􀂄 Then tracking back to find the LCS. 􀂄 Consider a1a2…am and b1b2…bn. 􀂄 Case 1: am=bn. The LCS must contain am, we have to find the LCS of a1a2…am-1 and b1b2…bn-1. 􀂄 Case 2: am≠bn. Wehave to find the LCS of a1a2…am-1 and b1b2…bn, and a1a2…am and b b b b1b2…bn-1 Let A = a1 a2 … am and B = b1 b2 … bn 􀂄 Let Li j denote the length of the longest i,g g common subsequence of a1 a2 … ai and b1 b2 … bj. 􀂄 Li,j = Li-1,j-1 + 1 if ai=bj max{ L L } a≠b i-1,j, i,j-1 if ai≠j L0,0 = L0,j = Li,0 = 0 for 1≤i≤m, 1≤j≤n.

    標簽: the subsequence determine Instead

    上傳時間: 2013-12-17

    上傳用戶:evil

  • 用matlab7·0軟件對通信信號進行調(diào)制simulink仿真

    用matlab7·0軟件對通信信號進行調(diào)制simulink仿真,它包括am,pm,fm,ask,psk.rar

    標簽: simulink matlab7 軟件 調(diào)制

    上傳時間: 2014-01-21

    上傳用戶:youlongjian0

  • This algorithm is to count the dark colored pixels in the input image. This can be used in goods sor

    This algorithm is to count the dark colored pixels in the input image. This can be used in goods sorting like rice, paddy etc... in paddy or rice or other goods or products to sort out the bad or defect one we can use this algorithm. I had done this for my Masters Degree as a small part and now i am releasing for you. rajesh.f, Kanayakumari district, India. contact me: rajesh1983jan10@yahoo.com

    標簽: This algorithm the colored

    上傳時間: 2017-05-02

    上傳用戶:liglechongchong

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