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网上图书销售系统设计,JSP设计,方案详细.
网上图书销售系统设计,JSP设计,方案详细.
- 2022-07-03 00:02:24下载
- 积分:1
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测试PWM占空利用CCP1和XTAL = 20 MHz,PIC16F877A编译器:CCS C 4…
TEST PWM duty with PIC16F877A using CCP1 with xtal = 20 MHz, compiler: CCS C 4.068
- 2023-08-21 11:10:03下载
- 积分:1
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在电子技术中,频率是最基本的参数之一,又与许多电参量的测量方案、测量结果都有十分密切的关系,因此频率的测量就显得更为重要。测量频率的方法有多种,其中电子计数器测...
在电子技术中,频率是最基本的参数之一,又与许多电参量的测量方案、测量结果都有十分密切的关系,因此频率的测量就显得更为重要。测量频率的方法有多种,其中电子计数器测量频率具有精度高、使用方便、测量迅速,以及便于实现测量过程自动化等优点,是频率测量的重要手段之一。在本次毕业设计中我们选择使用单片机来制作数字频率计,并在实际制作中采用了直接测频法。利用延时产生的时基门控信号来控制闸门,通过在单位时间内计数器记录下的脉冲个数计算出输入信号的频率,最终送入LCD中显示。这样制作出来的频率计不仅可以满足设计题目的参数要求,而且具有了单片机的稳定性和成熟性,且控制能力强,是一种低成本,高可靠的设计方案。-In electronic technology, the frequency is one of the most basic parameters, but also with a number of electrical parameters of the measurement program, the measurement results have a very close relationship between the frequency of measurement, therefore it is even more important. Measurement of the frequency of a number of means, electronic measurement of the frequency counter with high precision, easy to use, rapid measurement, and measurement is easy to realize the advantages of process automation is an important means of measuring the frequency of one. Graduates in this design we have chosen to make use of single-chip digital frequency meter, and used in the actual production of a direct
- 2022-04-18 19:56:54下载
- 积分:1
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Principle Shaozeng G.729 codec, and fixed
绍G.729编解码原理,及在TMS320C541定点芯片上实现的关键技术-Principle Shaozeng G.729 codec, and fixed-point chip TMS320C541 key technologies
- 2022-03-28 18:58:16下载
- 积分:1
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本系统包括的功能主要有以下几点:
(1)库存管理的各种信息的输入,包括入库、出库、还库、需求信息的输入等。
(2)库存管理的各种信息的查询、修改和维护。...
本系统包括的功能主要有以下几点:
(1)库存管理的各种信息的输入,包括入库、出库、还库、需求信息的输入等。
(2)库存管理的各种信息的查询、修改和维护。
(3)设备采购报表的生成。
-The main function of this system includes the following points: (1) inventory management of all kinds of information input, including inbound, outbound, but also libraries, demand information input and so on. (2) inventory management, a variety of information queries, modify and maintain. (3) The equipment purchase report generation.
- 2022-03-22 23:26:51下载
- 积分:1
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yamada chili dvd
yamada chili dvd-mx305 - sunplus mobo -yamada chili dvd-mx305- sunplus mobo
- 2022-06-01 23:57:18下载
- 积分:1
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信噪比与检测范围为目标的类型和无脉冲积分…
SNR versus detection range for both target types with and without pulse integration.-SNR versus detection range for both target types with and without pulse integration.
- 2023-07-27 00:40:03下载
- 积分:1
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使用智能天线的自组网链路建立
Link Establishment in Ad Hoc Networks Using Smart Antennas-Opnet_thesis
- 2023-01-26 20:35:03下载
- 积分:1
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September 1997, NIST AES assembly program to replace DES. In August 1999, the fo...
1997年9月,NIST征集AES方案,以替代DES。 1999年8月,以下5个方案成为最终候选方案:MARS, RC6, Rijndael, Serpent, Twofish。 2000年10月,由比利时的Joan Daemen和Vincent Rijmen提出的算法最终胜出。( Rijndael 读成Rain Doll。) http://www.esat.kuleuven.ac.be/~rijmen/rijndael/-September 1997, NIST AES assembly program to replace DES. In August 1999, the following five programs become final candidate : MARS, RC6, Rijndael, Serpent, Twofish. In October 2000, from Belgium J.J.K.Daemen3 Joan and Vincent Rijmen proposed algorithm eventually win. (Rijndael read Rain Doll.) Http://www.esat.kuleuven.ac.be/ ~ rijmen/rijndael /
- 2022-04-21 22:06:35下载
- 积分:1
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刚刚找到的USB开发的资料,感觉写的很好,共享给大家。
刚刚找到的USB开发的资料,感觉写的很好,共享给大家。-have just found the USB development of the information, the feeling was good for everyone to share.
- 2022-09-22 08:55:04下载
- 积分:1