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Description: FTP的工作方式：Active FTP 及 Passive FTP
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Size: 39936 |
Author: fancysky@pchome.com.tw |
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Description: 每一个Ftp发送之后，Ftp服务器都会返回一个字符串，其中包括一个返回代码和一串说明信息。这个返回码主要是用于判断命令是否被成功执行了。除此之外，还有一个非常重要的命令的返回。当发送PASV之后，返回“227 Entering Passive Mode (127,0,0,1,4,18)”。这意味着在服务器上有一个端口被开放，他将为我们后面接着的数据传输作好准备，但是我们如何知道该端口号呢，就在(127,0,0,1,4,18)中，前面四位指服务器的地址，关键是最后两位，将最后第二位乘256再加上最后一位的值就是我们的端口号，也就是4*256+18。取得端口号之后我们就可以用socket连接到这里。这为我们后面的工作作好准备了，因为我们的取得列表，上传，下载文件都要依靠它来实现-err
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Size: 2048 |
Author: 方波 |
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Description: PKE（被动无钥门禁系统，汽车车门控制）整个系统遥控部分源代码。-PKE (passive-keyless-entry system, car door control) remote part of the whole system source code.
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Size: 427008 |
Author: masen |
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Description: Aiming at the application of passive trackinn based on sensor array, a new passive trackinn usinn sensor array
based on particle filter was proposed. Firstly, the“fake points" could be almost entirely and exactly deleted with the aids of the
sensor array at the expense of an additional sensor. Secondly, considered the fact that the measurements notten from each array
were independent in passive trackinn system, a novel sequential particle filter usinn sensor array with improved distribution was proposed. At last, in a simulation study we compared this approach a坛orithm with traditional trackinn methods. The simulation re-sups show that the proposed method can nreatly improve the state estimation precision of sensor array passive trackinn system.
-Aiming at the application of passive trackinn based on sensor array, a new passive trackinn usinn sensor arraybased on particle filter was proposed. Firstly, the
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Size: 87040 |
Author: 阳关 |
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Description: 基于无源时差定位系统的机动目标跟踪IMM算法
-Passive TDOA location system based on the IMM algorithm for maneuvering target tracking
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Size: 4096 |
Author: 刘停 |
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Description: 介绍了被动雷达探测系统测向方法,提出了被动测向系统信号处理器的设计方法. 采用DSP(数字
信号处理器) + FPGA(现场可编程门阵列) 结构,使得系统的处理速度大大提高,而且集成度高、可靠性好、使
用灵活,具有很强的应用价值和参考价值.-Introduction of the passive radar detection system to test methods of measuring the passive signal processor to the system design method. The use of DSP (digital signal processor)+ FPGA (field programmable gate array) structure, making the system processing speed greatly enhanced, and high integration, reliability, and the use of flexible, has a strong value and reference value.
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Size: 165888 |
Author: 王功臣 |
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Description: 本书介绍雷达对抗原理，包括雷达对抗概述、雷达信号频率的测量、雷达的方向测量和定位、雷达侦察的信号处理、雷达侦察作用距离与截获概率、遮盖性干扰、欺骗性干扰、干扰机组成及干扰能量的计算以及对雷达的无源对抗技术-The book introduced the principle of radar confrontation, including an overview of radar confrontation, radar signal frequency measurement, the direction of the radar measurements and positioning, radar signal processing, radar detection and interception of the probability range, to cover sexual harassment, deceptive jamming, jammer component and interference with the energy calculation as well as against the passive radar technology
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Size: 6046720 |
Author: zhang |
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Description: A passive optical network (PON) is a point-to-multipoint, fiber to the premises network architecture in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises, typically 32-128. A PON consists of an Optical Line Termination (OLT) at the service provider s central office and a number of Optical Network Units (ONUs) near end users. A PON configuration reduces the amount of fiber and central office equipment required compared with point to point architectures
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Size: 47104 |
Author: snowave28 |
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Description: 硬件滤波器设计工具，用于有源和无源滤波器设计-Hardware filter design tool for active and passive filter design
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Size: 2482176 |
Author: 王朝 |
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Description: Filter Wiz v3.0f 一个很不错的进行有源和无源滤波器设计的软件-Filter Wiz v3.0f for a very good active and passive filter design software
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Size: 1252352 |
Author: 潘某 |
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Description: design of passive rfid
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Size: 100352 |
Author: todd |
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Description: 这是无源雷达中如何消除直达波的源程序，供大家参考，希望对大家有用。-This is how the elimination of passive radar direct wave of the source code for reference, in the hope that useful to everyone.
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Size: 1024 |
Author: 王红海 |
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Description: passive component schematic library for altium
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Size: 10240 |
Author: efe |
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Description: 毫米波图像存在分辨率低的缺点，该程序在WRLA算法的基础上，进一步采用投影算法，能有效改善毫米波图像的分辨率-Images acquired from Passive Millimeter-Wave (PMMW) radiometer have poor resolution due to limited aperture dimension. Therefore, Super-Resolution Algorithm (SRA) is a key component for PMMW imager. SRA realizes spectrum extrapolation, however, spectrum in-band is deteriorated too. Wiener-Richardson-Lucy Algorithm (WRLA) recovers spectrum in-band by Wiener filter, and extrapolates spectrum out-of-band by Richardson-Lucy Algorithm (RLA). WRLA can avoid spectrum deterioration in passband, but its ability for spectrum extrapolation is limited also. We propose an improved algorithm to solve this problem. This algorithm, which has built constraints according to characteristics of PMMW imaging, uses Projection-Onto-Convex-Sets (POCS) technique to enhance the WRLA s performance, so it is termed as POCS-WRLA.
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Size: 19456 |
Author: 姜正茂 |
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Description: White Paper: Passive vs Active RFID
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Size: 57344 |
Author: Oliver |
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Description: MATLAB实现的无源RC、LC滤波器设计系统。可设计LP、HP、BP、BS四种滤波器，附带设计结果-MATLAB realization of passive RC, LC filter design system. Can be designed LP, HP, BP, BS in four filters, with the design results
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Size: 45056 |
Author: wangzhen |
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Description: rfid passive. thinks that is fullof info for you and can help you in your project.
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Size: 3419136 |
Author: turgilo |
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Description: P0f v2 is a versatile passive OS fingerprinting tool. P0f can identify the
operating system on:
- machines that connect to your box (SYN mode),
- machines you connect to (SYN+ACK mode),
- machine you cannot connect to (RST+ mode),
- machines whose communications you can observe.
P0f can also do many other tricks, and can detect or measure the following:
- firewall presence, NAT use (useful for policy enforcement),
- existence of a load balancer setup,
- the distance to the remote system and its uptime,
- other guy s network hookup (DSL, OC3, avian carriers) and his ISP.
-P0f v2 is a versatile passive OS fingerprinting tool. P0f can identify the
operating system on:
- machines that connect to your box (SYN mode),
- machines you connect to (SYN+ACK mode),
- machine you cannot connect to (RST+ mode),
- machines whose communications you can observe.
P0f can also do many other tricks, and can detect or measure the following:
- firewall presence, NAT use (useful for policy enforcement),
- existence of a load balancer setup,
- the distance to the remote system and its uptime,
- other guy s network hookup (DSL, OC3, avian carriers) and his ISP.
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Size: 58368 |
Author: rebbe |
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Description: 雷达阵列信号信号处理工具箱,包括主动雷达和被动雷达雷达信号的建模与仿真,还有不少好的例子.-Radar Array Signal Signal Processing Toolbox, including the active radar and passive radar signal modeling and simulation, there are many good examples.
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Size: 6760448 |
Author: 赵宜楠 |
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Description: This is a simulink program for designing Low pass and High pass simple circuit Passive Filters
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Size: 19456 |
Author: Ahmed |
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