高效的k-means算法实现，使用了k-d树与局部搜索等提高k-means算法的执行效率，同时包含示例代码，用c++代码实现。 Effecient implementation of k-means algorith, k-d tree and local search strategy are implementd to improve the effeciency, samples are included to show how to use it. All codes are implemented in C++.
上传时间： 2016-03-28
上传用户：yulg
The core of Java(TM) technology, the Java virtual machine is an abstract computing machine that enables the Java(TM) platform to host applications on any computer or operating system without rewriting or recompiling. Anyone interested in designing a language or writing a compiler for the Java virtual machine must have an in-depth understanding of its binary class format and instruction set. If you are programming with the Java programming language, knowledge of the Java virtual machine will give you valuable insight into the Java platform s security capabilities and cross-platform portability. It will increase your understanding of the Java programming language, enabling you to improve the security and performance of your programs.
标签： machine Java technology computing
上传时间： 2016-05-03
上传用户：zhenyushaw
Abstract-The effect of the companding process on QAM signals has been under investigation for the past several years. The compander, included in the PCM telephone network to improve voice performance, has an unusual affect on digital QAM data signals which are transmitted over the same channel. The quantization noise, generated by the companding process which is multiplicative (and asymmetric), degrades the detectability performance of the outermost points of the QAM constellation more than that of the inner points. The combined effect of the companding noise and the inherent white gaussian noise of the system, leads us to a re-examination of signal constellation design. In this paper we investigate the detectability performance of a number of candidates for signal constellations including, a typical rectangular QAM constellation, the same constellation with the addition of a smear-desmear operation, and two new improved QAM constellation designs with two-dimensional warpi
标签： investigation Abstract-The companding the
上传时间： 2013-12-20
上传用户：英雄
螺旋桨PID控制 In response to constant pressure to design more efficient, faster, smaller, and better systems, engineers are constantly looking for ways to improve existing designs or replace them with better ones. Facing large fuel costs, the aerospace industry in particular has been researching alternative designs to increase fuel efficiency and performance. One such alternative is the development of reconfigurable aircraft wings. These wings would be able to adapt to the current environment increasing lift or reducing drag when appropriate.
标签： efficient response constant pressure
上传时间： 2016-11-22
上传用户：trepb001
The invention of the compound additive for alkaline PH value of more than 13 strong base will not only be able to prevent soil acidification, can effectively improve the soil acidic, as well as the rich soil of minerals, in the air to absorb the carbon and nitrogen for The use of plants.
标签： invention compound additive alkaline
上传时间： 2013-12-08
上传用户：xauthu
This is a GMM related paper written by Dar-Shyan Lee, and useful as well as convenient for programmer to read and research GMM files and improve the efficiency of GMM algorithm
标签： convenient Dar-Shyan programme related
上传时间： 2017-04-20
上传用户：wweqas
The GIFT (the GNU Image-Finding Tool) is a Content Based Image Retrieval System (CBIRS: http://en.wikipedia.org/wiki/CBIR). It enables you to do Query By Example (QBE: http://en.wikipedia.org/wiki/QBE) on images, giving you the opportunity to improve query results by relevance feedback. For processing your queries the program relies entirely on the content of the images, freeing you from the need to annotate all images before querying the collection.
标签： Image-Finding Retrieval Content System
上传时间： 2014-01-11
上传用户：咔乐坞
MTK flash TOOL源程序代码 ========== FlashTool v3.1.05 (2007/05/15) ======= Bug fixes: 1. [DA] Fix that DA cannot be loaded on MT6225 for exceeding internal SRAM size. 2. [DA] Fix that NAND download/read-back issue on MT6225 because buffer is linked on TCM. New features: 1. [DA] Supports new NOR Flash device [SPANSION] S29WS128P [SPANSION] S29WS256P [TOSHIBA] TV00560002DDGB 2. [DA] Supports OTP driver for below NOR Flash device [SPANSION] S29WS128P [SPANSION] S29WS256P Enhancements: 1. [DA] Provide Customized FlashTest_AllInOne_DA.bin. 2. [DA] NFB can auto format after first download. 3. [DA] improve DA download algorithm: next sector will be erased only when a sector is fully programmed. 4. [DA] improve DA download algorithm: enable recovery mechanism when press STOP button. 5. [DA] improve MT6223 Download Speed.
上传时间： 2014-01-04
上传用户：xg262122
A very simple ftp server s source code for demonstration. * It supports PASV/PORT modes and following operations: * ls,pwd,cwd,get,put,dele. * I have tested it using following ftp clients: * 1. Windows XP s command line ftp client, * 2. IE 6.0, * 3. Redhat 9.0 s ftp client, * 4. CuteFTP 8, * I ll introduce more functions and improve its performance
标签： demonstration supports followi simple
上传时间： 2013-12-22
上传用户：wl9454
Faster, better, and cheaper is the name of the game for machine designers. Demands for higherperformance and increasingly efficient machines designed in a shorter amount of time with smaller design teams are challenging machine designers to improve their machine design processes.
标签： higherperform for designers the
上传时间： 2017-08-13
上传用户：libenshu01
