analyzed
共 58 篇文章
analyzed 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 58 篇文章，持续更新中。
The Capacity of a MIMO channel with nt transmit antenna and nr recieve antenna is analyzed. The p
The
Capacity of a MIMO channel with nt transmit antenna and nr recieve
antenna is analyzed. The power in parallel channel (after
decomposition) is distributed as water-filling algorithm
Abstract：Noise frequency modulation(FM)jamming。which belongs to blanket jamming。is already become t
Abstract：Noise frequency modulation(FM)jamming。which belongs to blanket jamming。is already become
the main form ofnoise jamming at present。because the wideband was gained by it．Tne spectnlnl ofnoise
A general technique for the recovery of signi cant image features is presented. The technique is ba
A general technique for the recovery of signi cant
image features is presented. The technique is based on
the mean shift algorithm, a simple nonparametric pro-
cedure for estimating density gradien
observable distribution grid are investigated. A distribution grid is observable if the state of th
observable distribution grid are investigated. A distribution
grid is observable if the state of the grid can be fully determined.
For the simulations, the modified 34-bus IEEE test feeder is used.
This paper describes a bus mastering implementation of the PCI Express protocol using a Xilinx FPGA.
This paper describes a bus mastering implementation of the PCI Express protocol using a Xilinx FPGA. While the theoretical peak performance of PCI Express is quite high, attaining that performance is
基于LabVIEW和单片机的空调温度场测量系统的研究
<P>基于LabVIEW和单片机的空调温度场测量系统的研究:室内温度是空调系统舒适性的重要指标,对其及时、准确地测量显得非常重要。介绍单片机AT89C51 和数字式、单总线型温度传感器DS18B20 组成矩形测量网络采集空调室内40 点温度,LabVIEW作为开发平台,二者之间通过串口实现数据通信,利用LabVIEW强大的数据处理和显示功能对采集的空调温度场数据进行实时处理、分析和显示,详细介绍了
差分電路中單端及混合模式S-參數的使用
<P>Single-Ended and Differential S-Parameters</P>
<P>Differential circuits have been important in<BR>communication systems for many years. In the past,<BR>differential communication circuits operated
IN highly scattered enviroment
IN highly scattered enviroment，the Capacity of a MIMO channel with nt transmit antenna and nr recieve antenna is analyzed. The power in parallel channel (after decomposition) is distributed as water-f
reviews radar waveforms,including CW, pulsed, and LFM. High Range Resolution (HRR) waveforms and ste
reviews radar waveforms,including CW, pulsed, and LFM. High Range Resolution (HRR) waveforms and stepped frequency waveforms are also analyzed.
In this letter, the error performance of an ultra-wideband (UWB) system with a hybrid pulse amplitud
In this letter, the error performance of an ultra-wideband (UWB) system with a hybrid pulse amplitude and position modulation (PAPM) scheme over indoor lognormal fading channels is analyzed. In the PA
This is a simulator written in Tcl to simulate a network node carrying GSM and GPRS traffics with Qo
This is a simulator written in Tcl to simulate a network node carrying GSM and GPRS traffics with QoS mechanisms. The payload type including circuit-switched voice, VoIP and web traffic, and the perfo
In this correspondence, the computational complexity of this sphere-decoding based MSDD is analyzed
In this correspondence, the computational
complexity of this sphere-decoding based MSDD is analyzed.
快速跳频通信系统同步技术研究
同步技术是跳频通信系统的关键技术之一，尤其是在快速跳频通信系统中，常规跳频通信通过同步字头携带相关码的方法来实现同步，但对于快跳频来说，由于是一跳或者多跳传输一个调制符号，难以携带相关码。对此引入双跳频图案方法，提出了一种适用于快速跳频通信系统的同步方案。采用短码携带同步信息，克服了快速跳频难以携带相关码的困难。分析了同步性能，仿真结果表明该方案同步时间短、虚警概率低、捕获概率高，同步性能可靠。
基于ATmgea8单片机的加热控制系统
<DD> 介绍基于ATmega8型单片机的温度测量及加热控制系统。分析系统的工作原理，详尽讨论系统的硬件电路和软件流程。实验证明，该系统工作可靠，稳定性高。 </DD>
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<DT>Abstract:
<DD> The new temperature measuring and heating control system based
基于FPGA+DSP模式的智能相机设计
针对嵌入式机器视觉系统向独立化、智能化发展的要求，介绍了一种嵌入式视觉系统--智能相机。基于对智能相机体系结构、组成模块和图像采集、传输和处理技术的分析，对国内外的几款智能相机进行比较。综合技术发展现状，提出基于FPGA+DSP模式的硬件平台，并提出智能相机的发展方向。分析结果表明，该系统设计可以实现脱离PC运行，完成图像获取与分析，并作出相应输出。
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基于FPGA+DSP模式的智能相机设计
针对嵌入式机器视觉系统向独立化、智能化发展的要求，介绍了一种嵌入式视觉系统--智能相机。基于对智能相机体系结构、组成模块和图像采集、传输和处理技术的分析，对国内外的几款智能相机进行比较。综合技术发展现状，提出基于FPGA+DSP模式的硬件平台，并提出智能相机的发展方向。分析结果表明，该系统设计可以实现脱离PC运行，完成图像获取与分析，并作出相应输出。
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一种8位单片机中ALU的改进设计
<P>文章提出了一种精简指令集8 位单片机中, 算术逻辑单元的工作原理。在此基础上, 对比传统PIC 方案、以及在ALU 内部再次采用流水线作业的332 方案、44 方案, 并用Synopsys 综合工具实现了它们。综合及仿真结果表明, 根据该单片机系统要求, 44 方案速度最高, 比332 方案可提高43.9%, 而面积仅比最小的332 方案增加1.6%。在分析性能差异的根本原因之后, 阐明了该
基于UC3854A控制的PFC中分岔现象仿真研究
<DD> 为深入了解基于UC3854A控制的PFC变换器中的动力学特性，研究系统参数变化对变换器中分岔现象的影响，在建立Boost PFC变换器双闭环数学模型的基础上，用Matlab软件对变换器中慢时标分岔及混沌等不稳定现象进行了仿真。在对PFC变换器中慢时标分岔现象仿真的基础上，分析了系统参数变化对分岔点的影响，并进行了仿真验证。仿真结果清晰地显示了输入整流电压的幅值变化