<sup id="muvuf"></sup>
Easy-to-Use, Ultra-Tiny, Differential, 16-Bit Delta Sigma ADC With I2C Interface The LTC2453 is an ultra-tiny, fully differential, 16-bit, analog-to-digital converter. The LTC2453 uses a single 2.7V to 5.5V supply and communicates through an I2C interface. The ADC is available in an 8-pin, 3mm x 2mm DFN package. It includes an integrated oscillator that does not require any external components. It uses a delta-sigma modulator as a converter core and has no latency for multiplexed applications. The LTC2453 includes a proprietary input sampling scheme that reduces the average input sampling current several orders of magnitude lower than conventional delta-sigma converters. Additionally, due to its architecture, there is negligible current leakage between the input pins.
標(biāo)簽： Differential Easy-to-Use Ultra-Tiny Interface
上傳時(shí)間： 2014-01-08
上傳用戶：鳳臨西北
FIFO電路(first in，first out)，內(nèi)部藏有１６ｂｉｔ×１６ｗｏｒｄ的Dual port RAM，依次讀出已經(jīng)寫入的數(shù)據(jù)。因?yàn)椴淮嬖贏ddress輸入，所以請(qǐng)自行設(shè)計(jì)內(nèi)藏的讀寫指針。由FIFO電路輸出的EF信號(hào)(表示RAM內(nèi)部的數(shù)據(jù)為空)和FF信號(hào)(表示RAM內(nèi)部的數(shù)據(jù)為滿)來表示RAM內(nèi)部的狀態(tài)，并且控制FIFO的輸入信號(hào)WEN(寫使能)和REN(讀使能)。以及為了更好得控制FIFO電路，AEF(表示RAM內(nèi)部的數(shù)據(jù)即將空)信號(hào)也同時(shí)輸出。
上傳時(shí)間： 2016-02-06
上傳用戶：zhoujunzhen
How the K-mean Cluster work Step 1. Begin with a decision the value of k = number of clusters Step 2. Put any initial partition that classifies the data into k clusters. You may assign the training samples randomly, or systematically as the following: Take the first k training sample as single-element clusters Assign each of the remaining (N-k) training sample to the cluster with the nearest centroid. After each assignment, recomputed the centroid of the gaining cluster. Step 3 . Take each sample in sequence and compute its distance from the centroid of each of the clusters. If a sample is not currently in the cluster with the closest centroid, switch this sample to that cluster and update the centroid of the cluster gaining the new sample and the cluster losing the sample. Step 4 . Repeat step 3 until convergence is achieved, that is until a pass through the training sample causes no new assignments.
標(biāo)簽： the decision clusters Cluster
上傳時(shí)間： 2013-12-21
上傳用戶：gxmm
The algorm of viterbi. You talk to your friend three days in a row and discover that on the first day he went for a walk, on the second day he went shopping, and on the third day he cleaned his apartment. You have two questions: What is the overall probability of this sequence of observations? And what is the most likely sequence of rainy/sunny days that would explain these observations? The first question is answered by the forward algorithm the second question is answered by the Viterbi algorithm. These two algorithms are structurally so similar (in fact, they are both instances of the same abstract algorithm) that they can be implemented in a single function:
標(biāo)簽： discover viterbi algorm friend
上傳時(shí)間： 2016-02-16
上傳用戶：xc216
μC/OS-II Goals Probably the most important goal of μC/OS-II was to make it backward compatible with μC/OS (at least from an application’s standpoint). A μC/OS port might need to be modified to work with μC/OS-II but at least, the application code should require only minor changes (if any). Also, because μC/OS-II is based on the same core as μC/OS, it is just as reliable. I added conditional compilation to allow you to further reduce the amount of RAM (i.e. data space) needed by μC/OS-II. This is especially useful when you have resource limited products. I also added the feature described in the previous section and cleaned up the code. Where the book is concerned, I wanted to clarify some of the concepts described in the first edition and provide additional explanations about how μC/OS-II works. I had numerous requests about doing a chapter on how to port μC/OS and thus, such a chapter has been included in this book for μC/OS-II.
標(biāo)簽： OS-II compatible important Probably
上傳時(shí)間： 2013-12-02
上傳用戶：jkhjkh1982
DBDesigner 4 is a database design system that integrates database design, modelling, creation and maintenance into a single, seamless environment
標(biāo)簽： database design DBDesigner integrates
上傳時(shí)間： 2014-01-05
上傳用戶：csgcd001
SDRAM 參考設(shè)計(jì):主要包括The following figure shows a high-level block diagram for this reference design followed by a brief description of each sub-section. The design consists of: · PowerPC processor · PLB-OPB bridge · BlockRAM Memory Controller · SDRAM Controller · Two GPIO ports · A UART Port · External SDRAM
標(biāo)簽： high-level following reference diagram
上傳時(shí)間： 2013-12-15
上傳用戶：Miyuki
基于OFDM的無線寬帶系統(tǒng)仿真It contains mainly two parts, i.e. link-level simulator and system-level simulator. Link-level simulator focus on a single-cell single-user scenario, where signal is transmitted from tx, and estimated at rx. Comparing the difference in tx/rx signal, the error rate can be found out. The output of the link-level simulator is the BLER/BER vs. SNR mapping table, that can be used for the system-level simulation. System-level simulator focus on a multi-cell multi-user scenario. For the sake of simplicity, it takes the mapping table aquired in the link-level simulation, measure the actural SNR, and finds the corresponding error rate.
標(biāo)簽： simulator i.e. system-level link-level
上傳時(shí)間： 2016-03-15
上傳用戶：xsnjzljj
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 able to ascertain, at any moment, the amount of the cash taken for that flight. Reservations and bookings cannot be made until the flight details have been finalised (flight number, departure and arrival airports). A seat on a flight is considered booked when payment as been received for it. When a reservation is confirmed (changed to booked), the passenger name is checked against the original reservation. A flight can be in any of the following states: Available for bookings Checking in Boarding Closed
標(biāo)簽： operating Airlines Glasgow Airport
上傳時(shí)間： 2016-03-25
上傳用戶：hgy9473
Sector is a system infrastructure software that provides functionality for distributed data storage, access, and analysis/processing. It automatically manages large volumetric data across servers or clusters, even those over distributed wide area high speed networks. Sector provides simple tools and APIs to access and/or process the data. Data and server locations are transparent to users, as the whole Sector network is a single networked super computer to the users.
標(biāo)簽： infrastructure functionality distributed software
上傳時(shí)間： 2013-12-21
上傳用戶：極客
蟲蟲下載站版權(quán)所有 京ICP備2021023401號(hào)-1
