針對51單片機系統(tǒng)中常用的A/D轉換器價格高、精度低的缺點,介紹TI公司的16 位的帶有I2C串行接口的A/D轉換器ADS1110的工作原理,給出ADS1110與AT89C51單片機系統(tǒng)的接口電路和軟件設計。實踐證明,ADS1110具有高性價比和實用性。
Abstract:
According to the disadvantages of high Expense and low accuracy of the general A/D converter used in MCS51 microchip system,the principle and working process of a high accuracy 16-bit A/D conversion ADS1110 which has I2C bus and belongs to TI Company are proposed here as well as the interface of ADS1110 to AT89C51 and software list.It is proved to be high performance index and practicability.
Locally weighted polynomial regression LWPR is a popular instance based al gorithm for learning continuous non linear mappings For more than two or three in puts and for more than a few thousand dat apoints the computational Expense of pre dictions is daunting We discuss drawbacks with previous approaches to dealing with this problem
本文簡要介紹了集成電路MAX038的性能,并給出了以MAX038波形產(chǎn)生器為核心具有四種輸出波形的函數(shù)
信號發(fā)生器的設計方案。用這種方法設計的信號發(fā)生器具有結構簡單、成本低、體積小等特點,很好地滿足
了一般的實驗要求。
關鍵詞:集成電路 信號發(fā)生器 頻率
Abstract:The performance ofIC_MAX038 was introduced briefly in this paper.At the sa/ne time,a signal generator design making
with integrated circuit MAX038 is provided,which can produce four kinds of waveforms output.The signal generator
was of characters such as simple structur,cheap Expense,small volume and SO on.The signal generator contents the
demand of general experiments very wel1.
Key words:Integrated circuit Signal generator Frequency
Aiming at the application of passive trackinn based on sensor array, a new passive trackinn usinn sensor array
based on particle filter was proposed. Firstly, the“fake points" could be almost entirely and exactly deleted with the aids of the
sensor array at the Expense of an additional sensor. Secondly, considered the fact that the measurements notten from each array
were independent in passive trackinn system, a novel sequential particle filter usinn sensor array with improved distribution was proposed. At last, in a simulation study we compared this approach a壇orithm with traditional trackinn methods. The simulation re-sups show that the proposed method can nreatly improve the state estimation precision of sensor array passive trackinn system.
Parking Lot Simulation:
Parking lot attendants often park cars bumper-to-bumper, several cars deep. This maximizes the number of cars they can fit into a parking lot at the Expense of complicating the process of retrieving someone s car when they want to leave. Consider the case of a person wanting to leave the parking lot but their car is parked in the back of a row of cars. In this case, all the cars parked in front of this person s car must be temporarily moved to allow this person to leave.
A major goal of this book is to show to make devices that are inherently reliable by design. While a lot of attention has been given to “quality improvement,” the majority of the emphasis has been placed on the processes that occur after the design of a product is complete. Design deficiencies are a significant problem, and can be exceedingly difficult to identify in the field. These types of quality problems can be addressed in the design phase with relatively little effort, and with far less Expense than will be incurred later in the process. Unfortunately, there are many hardware designers and organizations that, for various reasons, do not understand the significance and Expense of an unreliable design. The design methodology presented in this text is intended to address this problem.
Distributed applications, devices, and services appear in many different arrangements in an
enterprise. At your company, you probably access data from your intranet services, from
computers distributed throughout the company network, and from services across the firewall out
on the Web. For example, you might access a calendar-sharing application or a financial
application to fill out Expense sheets. Someone must maintain all these applications. Not only the
applications, but also the hardware that supports them must be maintained. Resource management
encompasses both applications and hardware. In fact, both application and hardware management
can be supported through the development of Java Management Extensions (JMX) resource
management software. This book will show how you can use JMX to manage and monitor all
your resources across an enterprise—both software and hardware.