Java的面向?qū)ο缶幊?掌握類的定義以及繼承機(jī)制，熟悉方法的多態(tài)性。1、 成下面父類及子類的聲明：（1）聲明Student類。屬性包括學(xué)號、姓名、英語成績、數(shù)學(xué)成績、計算機(jī)成績和總成績。方法包括構(gòu)造方法、get方法、set方法、toString方法、equals方法、compare方法（比較兩個學(xué)生的總成績，結(jié)果分大于、小于、等于）、sum方法（計算總成績）和testScore方法（計算評測成績，即平均成績
上傳時間： 2017-09-12
上傳用戶：ecooo
記錄學(xué)生的信息 ：（1）聲明Student類。屬性包括學(xué)號、姓名、英語成績、數(shù)學(xué)成績、計算機(jī)成績和總成績。方法包括構(gòu)造方法、get方法、set方法、toString方法、equals方法、compare方法（比較兩個學(xué)生的總成績，結(jié)果分大于、小于、等于）、sum方法（計算總成績）和testScore方法（計算評測成績，即平均成績）。
標(biāo)簽： toString Student equals compa
上傳時間： 2014-11-21
上傳用戶：q123321
實驗內(nèi)容： 1.利用QuartusII的"MegaWizard Plug-In Manager", 設(shè)計輸入數(shù)據(jù)寬度是4bit的ADD、SUB、MULT、DIVIDE、COMPARE 把它們作為一個project,DEVICE選用EPF10K70RC240-4，對它們進(jìn)行 時序仿真，將仿真波形（輸入輸出選用group）文件提交。 2.利用QuartusII的"MegaWizard Plug-In Manager"中的LPM_COUNTER， 設(shè)計一個20bit的up_only COUNTER, 要求該COUNTER在FE0FA和FFFFF之間自動循環(huán)計數(shù)； 分析該COUNTER在EPM7128SLC84-7、EPM7128SLC84-10、 和EPF10K70RC240-2、EPF10K70RC240-4幾種芯片中的最大工作頻率； 請將計數(shù)器的輸出仿真波形文件提交（特別注意在0FFFFCH--0FE0FFH之間的仿真波形圖）。 （僅EPF10K70RC240-4芯片,最大允許Clock頻率下）。
標(biāo)簽： 實驗
上傳時間： 2016-10-18
上傳用戶：jack
Lithium–sulfur (Li–S) batteries with high energy density and long cycle life are considered to be one of the most promising next-generation energy-storage systems beyond routine lithium-ion batteries. Various approaches have been proposed to break down technical barriers in Li–S battery systems. The use of nanostructured metal oxides and sulfides for high sulfur utilization and long life span of Li–S batteries is reviewed here. The relationships between the intrinsic properties of metal oxide/sulfide hosts and electrochemical performances of Li–S batteries are discussed. Nanostructured metal oxides/ sulfides hosts used in solid sulfur cathodes, separators/interlayers, lithium- metal-anode protection, and lithium polysulfides batteries are discussed respectively. Prospects for the future developments of Li–S batteries with nanostructured metal oxides/sulfides are also discussed.
標(biāo)簽： 電池 納米結(jié)構(gòu) 硫化物 金屬氧化物
上傳時間： 2017-11-23
上傳用戶：653357637
In this paper we present a classifier called bi-density twin support vector machines (BDTWSVMs) for data classification. In the training stage, BDTWSVMs first compute the relative density degrees for all training points using the intra-class graph whose weights are determined by a local scaling heuristic strategy, then optimize a pair of nonparallel hyperplanes through two smaller sized support vector machine (SVM)-typed problems. In the prediction stage, BDTWSVMs assign to the class label depending on the kernel density degree-based distances from each test point to the two hyperplanes. BDTWSVMs not only inherit good properties from twin support vector machines (TWSVMs) but also give good description for data points. The experimental results on toy as well as publicly available datasets indicate that BDTWSVMs compare favorably with classical SVMs and TWSVMs in terms of generalization
標(biāo)簽： recognition Bi-density machines support pattern vector twin for
上傳時間： 2019-06-09
上傳用戶：lyaiqing
obot control, a subject aimed at making robots behave as desired, has been extensively developed for more than two decades. Among many books being published on this subject, a common feature is to treat a robot as a single system that is to be controlled by a variety of control algorithms depending on different scenarios and control objectives. However, when a robot becomes more complex and its degrees of freedom of motion increase substantially, the needed control computation can easily go beyond the scope a modern computer can handle within a pre-specified sampling period. A solution is to base the control on subsystem dynamics.
標(biāo)簽： decomposition virtual control
上傳時間： 2019-09-04
上傳用戶：txb96
In recent years, cellular voice networks have transformed into powerful packet-switched access networks for both voice communication and Internet access. Evolving Universal Mobile Telecommunication System (UMTS) networks and first Long Term Evolution (LTE) installations now deliver bandwidths of several megabits per second to individual users, and mobile access to the Internet from handheld devices and notebooks is no longer perceived as slower than a Digital Subscriber Line (DSL) or cable connection. Bandwidth and capacity demands, however, keep rising because of the increasing number of people using the networks and because of bandwidth-intensive applications such as video streaming. Thus, network manufacturers and network operators need to find ways to continuously increase the capacity and performance of their cellular networks while reducing the cost.
標(biāo)簽： BRINGING NETWORKS Beyond and 3G 4G
上傳時間： 2020-05-26
上傳用戶：shancjb
From the transition of analog to digital communication along with seamless mobility and high computing power of small handheld devices, the wireless communications industry has seen tremendous changes leading to the integration of several telecommunication networks, devices and services over last 30 years. The rate of this progress and growth has increased particularly in the past decade because people no longer use their devices and networks for voice only, but demand bundle contents such as data download/streaming, HDTV, HD video , 3D video conferencing with higher efficiency, seamless connectivity, intelligence, reliability and better user experience. Although the challenges facing service providers and telecommunication companies differ by product, region, market size, and their areas of concentration but time to market, efficient utilization of their assets and revenue expansion, have impacted significantly how to manage and conduct their business while maintaining sufficient margin.
標(biāo)簽： Convergence Networks Beyond 4G of
上傳時間： 2020-05-26
上傳用戶：shancjb
4G Americas is an industry trade organization composed of leading telecommunications service providers and manufacturers. The organization's mission is to advocate for and foster the advancement and full capabilities of the LTE mobile broadband technology and its evolution beyond to 5G, throughout the ecosystem's networks, services, applications and wirelessly connected devices in the Americas. 4G Americas, the voice of 5G for the Americas, is invested in leading 5G development for the Americas and maintaining the current global innovation lead in North America with LTE technology.
標(biāo)簽： Development Caribbean Broadband Markets Mobile
上傳時間： 2020-05-26
上傳用戶：shancjb
New applications such as video conferencing, video on demand, multi- media transcoders, Voice-over-IP (VoIP), intrusion detection, distributed collaboration, and intranet security require advanced functionality from networks beyond simple forwarding congestion control techniques.
標(biāo)簽： Programmable Networks Active and
上傳時間： 2020-05-26
上傳用戶：shancjb
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