For preparing for the researches of text digital watermarking and advantaging other researchers" development when using the Chinese mathematical expression theory, this paper designs and realizes a development platform of Chinese mathematical expression. It has been proved by experiments that the platform"s function, execution speed and stability can satisfy the requirements of conversion and operation of enormous data.This research found out that the structure information of Chinese have plenty redundant information that can be used by the Chinese mathematical expression for the digital watermarking, the data embedded can possess better robustness. Based on this finding, this paper designs a kind of text digital watermarking method of embedding watermarking by using Chinese structure, and realizes the method by using the Chinese mathematical expression platform.Considering the watermarking embedding algorithms importance to the robustness of the text digital watermarking, this paper makes fully use of the advantage of the Chinese mathematical expression theory to design a kind of layered text method, which has being realized by using the Chinese mathematical expression platform. The layered text method can handle the text as a solid structure, and the embedding data havepreferable robustness.Finally, based on the researches of the text digital watermarking method and the text layered method, this paper integrates the method of making use of the Chinese structure embedding watermarking with the robust algorithm based on text layered, and realizes a brand-new text digital watermarking method. Proved by lots of experiments, this brand-new method has good robustness and better invisibility.

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The cost that this graph is mobile phone hardware follows the comparison of cost of software of mobile phone platform, everybody can see mobile phone cost or pretty are tall 2003, mobile phone operating system holds the cost of 10% whole mobile phones at that time, but come down a few years, the hardware price of mobile phone platform is to go down, dropping every year downward, the likelihood still is in surely over there by the price of software, occupy the dimensions of 10% to grow to be occupied this year only from before 25%, so this to a lot of users, I believe to any user it is very big expense, why mobile phone platform cannot quite free, why cannot fall this price lowlier quite, let more user enjoy the service of Internet, this is the platform that Gu Ge follows a lot of companies to roll out Andrord together, a moment ago David Axmark had said the benefit that opens a source.

這個圖是手機硬件的成本跟手機平臺軟件成本的比較免费黄色网站有哪一些，大家可以看到2003年手機成本還是蠻高的狂野欧美乱A片，那個時候手機操作系統(tǒng)占到10%整個手機的成本，可是幾年下來99irav.6，手機平臺的硬件價格是下去了视频偷拍网，每年都在往下掉，可能受到軟件的價格還是定在那里亚洲黄网专区在线观看，從原來只占10%的規(guī)模成長到今年占到25%日韩深夜在线，所以這一點對于很多用戶，我相信對于任何一個用戶都是很大的開銷中文自拍日韩视频在线观看免费，為什么手機平臺不能夠免費无码日韩人妻视频，為什么不能夠把這個價格降得更低，讓更多用戶享受到互聯(lián)網(wǎng)的服務(wù)影音先锋强奸，這個就是谷歌跟很多公司一起推出Andrord的平臺AAA无码久久久精品毛片，開源的好處剛才David Axmark已經(jīng)講了。

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The experimental goal is to use SOPC-NIOSII EDA / SOPC system platform for real-time moving object detection system in this paper. After the inputs of image penetrated the CMOS Sensor to receive the data of the image makes the RGB form the transformation. The CPU processes operation of image detects. After the processed of image deliveres to VGA displayed output of real-time image. We use example programs of DE2 platfrom to achieve entire hardware on experiment board of SOPC-NIOSII EDA / SOPC System platform. On system of dectect image we divided into two parts : hardware and software. We use Verrilog of HDL to modify code in hardware. To use Custom IP of SOPC Builder produced IP of our need. We need a interface to connect in the COMS Sensor to FPGA and FPGA to VGA among. The code synthesize to create a programming file of *.S by Quartus II. Then, to use USB BLASTER of SOPC-NIOSII EDA/SOPC System platform programmed on FPGA. We use NIOS II IDE to assign DMA address in sofaware. We use SOPC-NIOSII EDA / SOPC System platform of Hum-Heng Technology co.

中文摘要本論文實驗?zāi)繕?biāo)是在於利用SOPC-NIOSII EDA/SOPC系統(tǒng)平臺來實現(xiàn)即時移動物體偵測的系統(tǒng)，影像輸入透過CMOS Sensor接收影像的資料經(jīng)過RGB格式的轉(zhuǎn)換国产清纯，再經(jīng)過處理器處理影像偵測的運算黄色网站毛片网站，最后再將處里后的影像資料傳送給VGA做即時的影像輸出，我們使用DE2平臺的測試范例程式轉(zhuǎn)換在SOPC-NIOSII EDA/SOPC系統(tǒng)平臺實驗板來實現(xiàn)整個的硬體久久精品兔费99国产精品，我們將影像偵測系統(tǒng)分為硬體和軟體二部份久久99久久992019，硬體部分我們使用Verilog硬體描述語言修改撰寫，利用SOPC Builder的自訂IP產(chǎn)生我們所需的IP 国产特a毛片，在COMS Sensor到FPGA跟FPGA到VGA中間我們需要一個interface來進行連接亚洲毛片在线直播大全，經(jīng)由Quartus II來合成產(chǎn)生*。sof的燒入檔后插入黄色视频，然后利用SOPC-NIOSII EDA/SOPC系統(tǒng)平臺專用的USB BLASTER來燒入到FPGA上2021免费三级片，軟體部分我們使用NIOSII IDE來定址我們DMA位址，主板我們采用華亨科技公司的SOPC-NIOSII EDA/SOPC系統(tǒng)平臺亚洲三级片久久91。

Chapter 1 introduces the OTA technology, current state of mobile value-added service platform and research contents and meaning of this article. Chapter 2 describers the relevant protocols of mobile value-added service platform, such as WAP, PAP, PUSH OTA. Chapter 3 discusses system architecture, contents management, OMA DRM, users management, devices management, download mode and process, WAP PUSH and billing of the platform. Chapter 4 gives the implementation of the platform, mainly describes the implementation of WAP portal, contents download and billing.

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The paper investigates both block-type pilot linear minimum mean square error algorithm and IEEE802.16 OFDM channel estimation analysis. Simulation results confirm the block-type pilot structure is more suitable for IEEE802.16 system. An optimal pilot setting algorithm, based on space frequency domain, is explored and the pilot chart is presented. The proposed algorithm finds its application in MIMO-OFDM. Simulation results show the algorithm presents a good approximation to the perfect channel state information curve, with about 2dB difference in SNR. The simulation results also demonstrate the algorithm achieves fairly high stability in the environment of fast fading, performance of the proposed algorithm is better that of pilot training channel estimation.3. Taking into account the characteristics of IEEE802.16 OFDM system, OFDM system simulation platform is constructed in Matlab, exploiting simulink as a tool. OFDM modulation and demodulation simulation system are configured on LabVIEW platform. All the system signal processing is simulated, including defining system parameters, designing modulation model, and verifying all the proposed algorithms under different environments, such as white Gaussian noise, multi-path fading, with or without guard interval etc. Bit error performance is evaluated. The research provides valid theoretical basis for practical OFDM system performance evaluation.4. Taking advantage of software radio, the paper designs a hardware platform with both 256-IFFT/FFT and 512-IFFT/FFT OFDM schemes co-existing in one platform. You can predetermine one from the two schemes to carry out almost the same model function with different system performance and parameter setting.5. Referring to IEEE802.16 standard, the paper proposes a design method for generating signals and frames suitable for laboratory investigations implemented in laboratory environment.6. Based on 6701evm digital evaluation card, combined with analogy front-end, the paper designs a DSP software model to deal with baseband signal processing. An overall OFDM scheme, with modulation and demodulation function, is accomplished.

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