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ARM微处理器概述
mass_lynnxy
16年5个月前
发表于
电子技术
内容:2、无线通讯领域:目前已有超过85%的无线通讯设备采用了ARM技术, ARM以其
高性能
和低成本,在该领域的地位日益巩固。,1.2.2 ARM微处理器的特点采用RISC架构的ARM微处理器一般具有如下特点:1、体积小、低功耗、低成本、
高性能
;2、支持Thumb(16位)/ARM(32位)双指令集,能很好的兼容8位/16位器件,1.3.2 ARM9微处理器系列ARM9系列微处理器在
高性能
和低功耗特性方面提供最佳的性能。,1.3.4 ARM10E微处理器系列ARM10E系列微处理器具有
高性能
、低功耗的特点,由于采用了新的体系结构,与同等的ARM9器件相比较,在同样的时钟频率下,性能提高了近50%,同时,ARM10E系列微处理器采用了两种先进的节能方式,除此以外,ARM体系结构还采用了一些特别的技术,在保证
高性能
的前提下尽量缩小芯片的面积,并降低功耗:- 所有的指令都可根据前面的执行结果决定是否被执行,从而提高指令的执行效率。
软件定义无线电科普
bg2bhc
12年4个月前
发表于
无线电
内容:但无论如何,提
高性能
、方便使用、降低成本的目的不会改变。
低价“超级磁铁”将带来未来混合动力汽车广阔空间
mass_lynnxy
16年6个月前
发表于
极客DIY
内容:Chinnasamy表示:“稀土磁铁可用于在高温环境下运行的小型
高性能
发动机和发电机,对于NASA和国防部至关重要。
电子镇流器工作原理
超级用户
16年2个月前
发表于
电子技术
内容:由于高频交流电子镇流器要求体积小、造价低,并且对电磁辐射干扰、输入功率因数、波峰因数、可靠性等技术指标要求严格,所以要做出一个满足
高性能
、低价格、体积小、低电磁辐射干扰、使用安全可靠等要求的高频交流电子镇流器并非易事,实践证明,要做出一只
高性能
的高频交流电子镇流器,还需对它的灯负载技术特性、灯负载对电源的技术要求有所了解,否则要做出一只
高性能
的高频交流电子镇流器也是件不现实的事。
求一种塑料
okingkoom
13年10个月前
回复于
化学
内容:编辑本段应用领域 化学工业用于制作防腐蚀涂层,衬里,垫圈,轴油管涂层和
高性能
电解槽隔膜。
【技术】电机效率的劲敌——铜损、铁损
公众号EV技研作者1900
5年7个月前
发表于
电动汽车
内容:效率值高的,就可认定为
高性能
。
想撸一个ZVS驱动高压包的SGTC,大神们给点建议
rudolf
7年5个月前
回复于
高电压技术
内容:以前淘宝有大量的矿机淘汰显卡卖,价格很便宜只有新的一半或者三分之一,好多人冲着标称的
高性能
参数去买来玩游戏,结果发现因为之前在矿机上经过长时间大负荷使用(实际可能就用了几个月)性能下降的厉害,还不如买个同价位的新显卡
示波器的历史,和国产困境。
立棍
7年6个月前
发表于
仪器仪表
内容:这些其他领域的技术铺垫为
高性能
数字示波器铺平了道路。,这时以HP54600系列和泰克TDS500系列为主要代表的
高性能
数字示波器登场。,01:固态化,小型化在射频半导体技术突飞猛进的60年代,像HP和TEK这样的公司都迫切需要
高性能
的固态放大器以及各种电子管的替代器件,由于通用器件公司不能提供这些部件,他们分别建立自己的研发部门满足内需
膨胀偏转喷管设计教程+实例计算
LS
4年9个月前
回复于
喷气推进
内容:对于
高性能
且凝相含量低的推进剂,笔者推荐使用无铝或低铝APCP推进剂或者748#RAP推进剂等AP系推进剂。
无线控制蠕动泵
m24h
6个月13天前
回复于
极客DIY
内容:快一倍 在我这对比更剧烈的原因 可能是还有字符串操作和对字节串的pack/unpack但是从功能上说 除了蓝牙没有 S2在外设上面比C3强很多 S2还有个杀手锏 8MHz主频的协处理器(其实是两个) 我把
高性能
要求的
凌霄2号固体火箭发动机研发项目
帝江航天空间动力
3个月23天前
发表于
喷气推进
科创基金
内容:凌霄2号固体火箭发动机作为高精度、
高性能
的航天动力装置,其密封性能的优劣直接关系到整个发射任务的成功与否。
关于DIY半导体散热模块的构想,拜托各位讨论释疑
水木小坏蛋
8年0个月前
发表于
极客DIY
内容:找到了不高烧的解决方案,就是改电源方案,
高性能
改平衡,高温是下来了,风扇的狂飙还是感觉不是很好,另外第2代i7 2670qm的性能又折去了多少等,个人也没有做相应的测试,但是改散热的想法却萌生不断,供各位讨论
有人清楚碳纤维的用处么
xthxthxthxth
17年7个月前
回复于
化学
内容:因此,碳纤维在使用前须进行表面处理 碳纤维可分别用聚丙烯腈纤维、沥青纤维、粘胶丝或酚醛纤维经碳化制得;按状态分为长丝、短纤维和短切纤维;按力学性能分为通用型和
高性能
型 。,
高性能
型碳纤维又分为高强型(强度2000MPa、模量250GPa)和高模型(模量300GPa以上)。
层流原理与热式原理气体质量流量计/控制器性能及应用对比 (一)
小德喵喵
2年11个月前
发表于
仪器仪表
严肃内容: 专业科普
内容:这种先进的气密性检测仪国内还没有可靠的供应商,几乎被两家美国公司垄断,其核心原因之一就是全球范围内能生产这种
高性能
的微流量气体质量流量计寥寥无几。
福特投资Rivian5亿美元,Rivian电动皮卡到底是什么样子
公众号EV技研作者1900
5年7个月前
发表于
电动汽车
内容:该平台支持车辆软件的无线更新,以添加功能并提
高性能
。
MSFRM-II 发动机 与 25mmPVC发动机
kc276644985
8年10个月前
发表于
喷气推进
内容:HTPB推进剂原料 固化后的药柱 固化后的HTPB推进剂有着神一般的易加工性能 HTPB推进剂开发式燃烧测试,烟很少,燃速较慢,典型的
高性能
燃料燃烧表现
院里新买的LPKF电路板雕刻机刻的电路板
10班陈大葱22号
14年0个月前
回复于
电子技术
内容:每分钟62000转的主轴电机转速,加工头每秒150毫米的移动速度使其成为名符其实的高速设备,成为实验室快速制作
高性能
电路板的首选。
火箭版研究课题综述与推荐(不断更新中)
拔刀斋
13年3个月前
发表于
喷气推进
内容:AP类复合推进剂(RAP、聚氯乙烯-AP、HTPB-AP)——本版有部分教程、
高性能
、有爆轰危险、真空浇注。,固体火箭发动机的试车实验——测量详细的推力曲线等数据比单纯追求
高性能
、大规模更重要。
超声合成孔径成像
zx-16533
6年4个月前
回复于
电子技术
内容:进行数据处理实测我的渣笔记本同时带动USRP收发采样率超过10M就会在几秒内断掉并卡死,在略低的速率上也会出现严重的丢帧,例如这个是用同轴线+衰减器短接Tx/Rx口得到的“回波”数据的一段: 可见丢帧形成的黑条条高速收发和处理需要
高性能
的
米国人3D打印的发动机首次试车了
isc7
11年6个月前
回复于
喷气推进
内容:精心设计的高功率激光器或电子束熔化和雕刻成
高性能
的机械零件的金属粉末。
理解连续时间的Σ-Δ模数转换器
mass_lynnxy
16年4个月前
回复于
电子技术
内容:为了充分利用这些优点,ADC12EU050还含有片上时钟调节器,消除了不需要的
高性能
时钟。,总结 除了提供有效的功率控制,ΣΔ技术还能减少在高速、
高性能
系统中使用模数转换器面临的难度。,该部分电路增加了输入时钟的频率和质量,产生了低抖动的采样时钟边缘,并实现了高分辨率的性能,而无
高性能
的外来时钟输入。
Re:新人非金属火箭发动机试车,欢迎大家来拍砖
chaozhou
12年5个月前
回复于
喷气推进
内容:当然,拉喷并不是就能显著提
高性能
,相比其麻烦的制作过程,不加扩张段也是可以的。
纷繁标准呼唤创新算法,可配置内核前景看好
mass_lynnxy
18年10个月前
发表于
电子技术
内容:到现在,随着消费性电子市场的增温,嵌入式CPU内核也有许多不同的类型以及不同的设计方法,包括ASSP、
高性能
SoC、价值型SoC、FPGA、以及结构化ASIC等,各家业者都积极推出各种不同解决方案来抢进这个市场
高氯酸钾的制备和综合利用
jn久
11年6个月前
发表于
化学
内容:提高发射药性能,在各种发射药中掺入少量高氯酸钾,以提
高性能
4.
超音速飞行,头锥那里到底有多高的温度?
darkorochi
12年5个月前
回复于
喷气推进
内容:但是这种不寻常的材料非但尚未证实可靠,用它来建造
高性能
的飞机也肯定困难重重。
【搬家清仓大处理】
ehco
12年6个月前
发表于
跳蚤市场
内容:
高性能
频率计,一秒钟就给出7位的可靠显示,测低频的时候也可以显示出8位,可以分辨到微赫兹,这是一般的频率计做不到的。
KC908连接PC端SDR软件HDSDR指南
kcma
4年7个月前
发表于
仪器仪表
内容:(3)新版本的HDSDR对CPU的利用率不高,应使用
高性能
的PC,一般建议带宽开到20MHz以下,若开40MHz,解调常有断续现象。
多种新兴存储器技术的比较和选择策略
玄明
16年1个月前
回复于
电子技术
内容:它是一种
高性能
的存储器,而且使用寿命很长,美中不足的是需要独立电源来保护数据安全。
nanoVNA矢量网络分析仪的原理浅析
该用户不需要名字
4年6个月前
发表于
仪器仪表
内容:和很多现代VNA一样,得益于
高性能
的数字电路,中频信号被直接送入ADC采样并进行数字信号处理。
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