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技术管理 This document represents the first stage in a process of taking the National Strategy for Police Inf
This document represents the first stage in a process of taking the National Strategy for Police Information Systems (NSPIS) forward. It defines the mechanisms to ensure that we (and our partners) have access to the right information, in the right form, in the right time at an appropriate cost. The ...
邮电通讯系统 构建了正交频分复用(OFDM)系统的仿真模型,给出了具体信道的参数。在不同信道传输环境下,对不同调制方式和 不同移动速度下的OFDM系统性能进行了分析比较,在仿真结果的基础上给出了OFDM系统抗多普
构建了正交频分复用(OFDM)系统的仿真模型,给出了具体信道的参数。在不同信道传输环境下,对不同调制方式和
不同移动速度下的OFDM系统性能进行了分析比较,在仿真结果的基础上给出了OFDM系统抗多普勒频移的参考方案,采
用的信道模型基于ITU - RM. 1225 ChannelB瑞利(Rayleigh)衰落信道。最后,在基于COST 207的信道模型下,对四 ...
软件设计/软件工程 Scotia Airlines is a new budget airline operating between Glasgow Airport and the Western Isles. It
Scotia Airlines is a new budget airline operating between Glasgow Airport and the Western
Isles. It operates two 24-seater light passenger aircraft and requires a flight booking system.
Because Scotia offers low cost air travel, there is a need to treat each flight as single cost centre
and to be ab ...
通讯编程文档 The SST89E516RDx and SST89V516RDx are members of the FlashFlex51 family of 8-bit microcontroller pr
The SST89E516RDx and SST89V516RDx are members
of the FlashFlex51 family of 8-bit microcontroller products
designed and manufactured with SST’s patented and proprietary
SuperFlash CMOS semiconductor process technology.
The split-gate cell design and thick-oxide tunneling
injector offer significant c ...
数值算法/人工智能 遗传算法和“货郎担” 问题: "The traveling salesman problem, or TSP for short, is this: given a finite number of
遗传算法和“货郎担” 问题:
"The traveling salesman problem, or TSP for short, is this: given a finite number of cities along with the cost of travel between each pair of them, find the cheapest way of visiting all the cities and returning to your starting point."
单片机开发 SimpliciTI™ -1.0.3.exe for CC11xx and CC25xx SimpliciTI is a simple low-power RF network proto
SimpliciTI&#8482 -1.0.3.exe for CC11xx and CC25xx
SimpliciTI is a simple low-power RF network protocol aimed at small (<256) RF networks. Such networks typically contain battery operated devices which require long battery life, low data rate and low duty cycle and have a limited number of nodes talk ...
单片机开发 SimpliciTI™ -1.0.4.exe for CC2430 SimpliciTI is a simple low-power RF network protocol aimed
SimpliciTI&#8482 -1.0.4.exe for CC2430
SimpliciTI is a simple low-power RF network protocol aimed at small (<256) RF networks. Such networks typically contain battery operated devices which require long battery life, low data rate and low duty cycle and have a limited number of nodes talking direct ...
VHDL/FPGA/Verilog 用fpga实现的DA转换器
用fpga实现的DA转换器，有说明和源码，VDHL文件。
A PLD Based Delta-Sigma DAC
Delta-Sigma modulation is the simple, yet powerful,
technique responsible for the extraordinary
performance and low cost of today s audio CD
players. The simplest Delta-Sigma DAC consists of a
Delta-Sigma modulator and a one ...
企业管理 Joomla 收费插件：企业客户管理系统。 Our suite of components and tools are architected and programmed specifical
Joomla 收费插件：企业客户管理系统。
Our suite of components and tools are architected and programmed specifically for Joomla, the award winning CMS.
jForce will provide you with:
jAccounts – for your invoicing and billing needs
jContacts – a new way to manage your sales funnel and business lead ...
其他 For solving the following problem: "There is No Free Lunch" Time Limit: 1 Second Memory Limit: 3
For solving the following problem:
"There is No Free Lunch"
Time Limit: 1 Second Memory Limit: 32768 KB
One day, CYJJ found an interesting piece of commercial from newspaper: the Cyber-restaurant was offering a kind of "Lunch Special" which was said that one could "buy one get two for free". That ...