Abstract: Most magnetic read head data sheets do not fully specify the frequency-dependent components andare often vague when specifying other key parameters. In some cases, the specifications of two very similarheads from two different manufacturers might be quite different in terms of parameters specified and omitted.The limitations in the data sheets make designing an optimum card reading system unnecessarily difficult andtime consuming. This document outlines a strategy to overcome the above shortcomings and offers guidelinesto overcome the noise issues.
標(biāo)簽: MCR 噪聲環(huán)境 磁卡讀寫器
上傳時間: 2013-11-13
上傳用戶:dysyase
Control systems are becoming increasingly dependent on digital processing and so require sensors able to provide direct digital inputs. Sensors based on time measurement, having outputs based on a frequency or phase, have an advantage over conventional analogue sensors in that their outputs can be measured directly in digital systems by pulse counting.
上傳時間: 2013-10-08
上傳用戶:wuyuying
很好的linux內(nèi)核調(diào)試軟件 兼轅馬,沒有密碼。 The ia64 and ix86 directories contain versions of kdb prior to v2.0 (kdb version v2.0, not the kernel version). Older versions of kdb had complete patches for each architecture it supported, each patch included all the common kdb code. This format was awkward to maintain and use for multiple platforms. Starting with kdb v2.0 there is a common patch against each kernel which contains all the architecture independent code plus separate architecture dependent patches. Either use an old style (v1.8 or v1.9) kdb patch or use a new style (v2.0) common patch plus the corresponding architecture dependent patch.
標(biāo)簽: linux 內(nèi)核 調(diào)試軟件
上傳時間: 2014-01-21
上傳用戶:wyc199288
Linux是一個Open Source的UNIX-like作業(yè)系統(tǒng),除了有著廣大的支援社群以外,穩(wěn)定、模組化、擁有廣大的應(yīng)用免費應(yīng)用軟體支援是它主要的優(yōu)點。ARM嵌入式處理器則是目前應(yīng)用在嵌入式系統(tǒng)領(lǐng)域中,佔有率最高的處理器,同時也是Linux核心目前所能夠支援的處理器之一,然而要使得Linux在ARM嵌入式處理器上運作,勢必要經(jīng)過移植 (porting) 的過程,也就是要將平臺相依 (platform dependent) 的部分做適當(dāng)?shù)男薷?/p>
標(biāo)簽: UNIX-like Source Linux Open
上傳時間: 2015-11-08
上傳用戶:dengzb84
The PCI Local bus concept was developed to break the PC data I/O bottleneck and clearly opens the door to increasing system speed and expansion capabilities. The PCI Local bus moves high speed peripherals from the I/O bus and places them closer to the system’s processor bus, providing faster data transfers between the processor and peripherals. The PCI Local bus also addresses the industry’s need for a bus standard which is not directly dependent on the speed, size and type of system processor. It represents the first microprocessor independent bus offering performance more than adequate for the most demanding applications such as full-motion video.
標(biāo)簽: bottleneck developed the concept
上傳時間: 2014-12-03
上傳用戶:ikemada
The PCI Local bus concept was developed to break the PC data I/O bottleneck and clearly opens the door to increasing system speed and expansion capabilities. The PCI Local bus moves high speed peripherals from the I/O bus and places them closer to the system’s processor bus, providing faster data transfers between the processor and peripherals. The PCI Local bus also addresses the industry’s need for a bus standard which is not directly dependent on the speed, size and type of system processor. It represents the first microprocessor independent bus offering performance more than adequate for the most demanding applications such as full-motion video. Hardware reference
標(biāo)簽: bottleneck developed the concept
上傳時間: 2016-03-18
上傳用戶:極客
The PCI Local bus concept was developed to break the PC data I/O bottleneck and clearly opens the door to increasing system speed and expansion capabilities. The PCI Local bus moves high speed peripherals from the I/O bus and places them closer to the system’s processor bus, providing faster data transfers between the processor and peripherals. The PCI Local bus also addresses the industry’s need for a bus standard which is not directly dependent on the speed, size and type of system processor. It represents the first microprocessor independent bus offering performance more than adequate for the most demanding applications such as full-motion video. User Manual
標(biāo)簽: bottleneck developed the concept
上傳時間: 2014-01-15
上傳用戶:努力努力再努力
Enhanced version of the Serial Peripheral Interface available on Motorola s MC68HC11 family of CPUs.Enhancements include a wider supported operating frequency range, 4deep read and write fifos, and programmable transfer count dependent interrupt generation. As with the SPI found in MC68HC11 processors the core features programmable clock phase [CPHA] and clock polarity [CPOL]. The core features an 8bit wishbone interface. Very simple, very small.
標(biāo)簽: Peripheral Interface available Enhanced
上傳時間: 2014-12-06
上傳用戶:invtnewer
Internationalization The Java盲 2 platform provides internationalization features that let you separate culturally dependent data from the application (internationalization) and adapt it to as many cultures as needed (localization).
標(biāo)簽: Internationalization internationalization platform features
上傳時間: 2017-04-29
上傳用戶:hakim
Buses are a powerful and efficient modeling construct. Using them to produce optimal code is dependent on following a basic set of best practices. This document provides a set of patterns that can be followed the best results
標(biāo)簽: efficient construct powerful modeling
上傳時間: 2013-12-15
上傳用戶:cc1015285075
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