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发表于
喷气推进
内容:AAA可对大多数飞机设计方案的几何特性 、重量、气动特性、推进系统、飞行性能、稳定性和操纵性、控制系统的动态特性、结构载荷、结构重量、成本预算进行分析。,以列表方式输出结果,包括分布载荷和表面压力 · 运行时间短 · 外形建模和修改迅速,包括控制面偏转 · 以OMNI3D或OMNIPLOT显示结果 · 单次运行即可得到横向和纵向稳定性和控制导数数据,3维机翼模拟)X-Plane.v7.62 1CD(能最完整以及最真实的飞行训练模拟装置,有亚音速及超音速动力装置)------------------USAF Digital DatCom算气动力,稳定性等的软件
金国藩院士谈我国科学仪器[转帖]
虎哥
15年5个月前
发表于
电子技术
内容:金院士称,值得一提的是,随着我国经济持续稳定地快速增长以及“企业要成为科技创新主体”国策的实施, 我国仪器仪表产业规模的年增长速度连续四年超过20%。,金院士表示,如何要用事业、政策、待遇稳定住人才,避免人才流失,也将是当前的国产仪器厂商急需解决的问题。 ,针对这种情况,金院士指出了四个方面的产业发展建议:(1)量大面广的通用仪器重点解决色谱、光谱、质谱、电化学等各类通用仪器的稳定和可靠性,开发高灵敏检测器和高精度传感器,进一步提高一起的技术水平和设计制造能力,)应扶持龙头企业,因为没有规模、没有良好的设备将无法开发高档仪器;(9)支持产学研结合,鼓励创新;(10)积极解决相关行业体制问题,体制不解决,仪器生产上不去,也不可持久;(11)要用事业、政策、待遇稳定住人才,在引进进口仪器时,用户方与国内科学仪器制造方应紧密配合,全面消化吸收国外先进技术,从而达到最大限度发挥进 口仪器作用的目的;另一方面,实施“准政府采购”(项目订购或首购),在被挤压的市场中给我国企业一个稳定的市场份额
小小少年不可欺之人工智能艰辛的成长记录(跟踪贴)
Jason·Kamking·Black
6年0个月前
回复于
软件综合
内容:学习过程中各神经元进行规则学习,权参数调整,进行非线性映射关系拟合以达到训练精度;判断阶段则是训练好的稳定的网络读取输入信息通过计算得到输出结果。,系统的稳定性与联想记忆功能有密切关系。
无论在天堂还是大地
大仙
16年5个月前
发表于
天文与空间科学
内容:时光流逝,太阳系早期的碰撞和混乱将慢慢变得稳定而更有秩序,简单、规则的分布——你所看到的将是愈加美丽的一系列轨道。
智能控制 专家系统 模糊控制
张静茹
3年11个月前
发表于
软件综合
内容:例如对稳定性的要求,对静态工作点的寻优、对现有控制规律是否需要改进的判断等。,用以协调局部控制器或各子控制系统的运行,实现大系统的全局稳定和优化。,设计一个模糊控制器,通过调节阀门将水位稳定在固定点附近。
KC901V/KC901M固件升级方法及固件下载
kcma
5年5个月前
发表于
仪器仪表
内容:(1.5.8版本,解压后大小1.06MB,2024年2月4日发布)本次更新主要维护远程控制功能,增加了远程用户校准,调整了、增加了部分关系稳定运行的指令。
“成功学”是自私的伪科学
玄明
11年4个月前
发表于
科学技术学
内容:你的能力符合你在这个社会的位置,那么社会机制就会使你保持稳定,而稳定会创造更多的时间,使你有余力从事更多的个人活动,包括业余爱好、自我提升、休假游玩等等。
转帖:精密丝杠磨削加工误差智能控制补偿方法研究
1000
15年8个月前
发表于
机械与工具
内容:新系统的误差为: EMBED Equation.3(8) 系统改进后,新系统的幅频特性得到提高,相位滞后减小,能有效地解决系统的稳定性和控制局精度之间的矛盾,系统的动态特性得到明显改善。
人在社会中
1211
17年0个月前
发表于
科学技术学
内容:否则矛盾随时存在而且不能调和,人与人之间的关系将非常紧张和不
稳定。
,竞争将人的需要限制在合理的层次,从而实现了社会
稳定。
中国式管理的10大劣根性
HMX
18年10个月前
发表于
科学技术学
内容:运动的成功是以破坏系统的稳定性为代价,以制度为运动牺牲为代价。,公司要发展,是要求有比较好的稳定性的,经常搞运动的公司会使公司运作风险加大。
关于创新的思考
虎哥
8年11个月前
发表于
科学技术学
内容:对于具备科学理性素质的人来说,严密的逻辑和稳定明确的概念体系(抽象思维工具体系)是思想探索的有力武器。,守旧和竞争可以排除掉大部分劣质的创新,有利于人类文化总体保持稳定健康。
影响绝缘电阻测量值的主要因素
mass_lynnxy
16年2个月前
发表于
电子技术
内容:因为兆欧表内手摇发电机输出的电压是不稳定的。
乙醇汽油应该休矣
1211
17年4个月前
发表于
电气电工
内容:乙醇汽油的第1个问题是“烧的多”虎林市水泥厂至密山市珠山煤矿,往返260公里,东风EQF140货车,装载10吨原煤,消耗普通90#汽油62升,百车公里耗油23.85升,十多年来一直稳定如此。
嵌入式软件测试的十大秘诀 - 转
mass_lynnxy
16年10个月前
发表于
电子技术
内容:如果用户对系统稳定性不是很高,那么重启系统问题也不大;但,如果用户对系统稳定很高,那么这种故障就有可能使用户对产品失去信心,同时也意味着你的项目是个失败的项目。,3.深入理解代码优化 讲到系统稳定性,人们更多地会想到实时性和速度,因为代码效率对嵌入式系统来说太重要了。
ABC火箭技术之 自适应烧蚀环氧树脂喷管
hamdad
16年3个月前
回复于
喷气推进
内容:树脂喷管干固过程不存在收缩,这是非常可贵的特点, 直接在发动机外壳内成型, 能过管口缩口和树脂本身的粘接力,与外壳成为一体, 接合强度很高, 每次制作出的喷管在强度和尺寸等方面都是很稳定的.
中国呼唤创新教育
ccaia
17年11个月前
发表于
科学技术学
内容:事实上,在我国广大地区,非师范类高等优秀毕业生正在涌向中小学教师人才市场,长期稳定的教师职业"铁饭碗"随着教育改革与发展的深入,也不再是师范类毕业生的专利品。
[反面教材]一种无外挂机的空调
福利
16年10个月前
发表于
极客DIY
内容:200820017815.0;一种无室外机的空调,经过反复了解和技术查新,目前国内、外尚没有无外挂机的室内空调机,我公司开发的无外挂机空调技术领先了国内外的产品市场,为我们快速、高效占领内外市场奠定了牢固、稳定的技术产权基础
[转]介绍一下超经典的罗罗RB211发动机
韩菱纱
15年1个月前
发表于
喷气推进
内容:它的主要优点是,每个转子均可在各自的最佳转速下工作,使级数少,压缩效率提高;转子的长度短、刚性好、稳定工作范围宽,只需要一排可调的中压进口导流叶片;高压压气机级数少,减少了起动功率,起动后加速性好,由慢车加速到
国产RX70、EE、UPR、UPRN电阻的温漂测试结果
研究黑魔法的生菜
1年1个月前
发表于
仪器仪表
内容:UPRN的零温漂温度似乎不太稳定,前两只约为15℃,第三只则落在45℃左右。
“马口铁”的历史
用户已注销
16年5个月前
发表于
科学技术学
内容:因为具有这些属性,因此马口铁罐提供一个除了热以外,完全隔绝环境因素的密闭系统,避色食品因光、氧气、湿气而劣变,也不因香气透过而变淡或受环境气味透过污染而变味,食品贮存的稳定度优于其它包装材质,维他命C
火箭爱好者都可以拥有的电子推力测量台(KC测力计核心)——制作,使用,数据处理全教程!!
FROZEN巨擘
9年8个月前
发表于
喷气推进
严肃内容: 教程/课程
内容:封面 可以把它叫做: 电子试车铁架台所需成本(自身成本)= 200RMB + 一些基本的工具 + 动手能力关于为什么选用竖直放置式试车台,理由如下:1.稳定性好。,(因为其优良的稳定性,所以无需各种配重和加固,一个人就可以轻松拿完试车架)
再论栅极谐振驱动的理论依据和应用范围
rb-sama
7年4个月前
回复于
高电压技术
内容:栅极驱动其真正的价值我认为是在于,使一个Ton周期内,保证MOS尽可能少工作在线性区,所以即使是一个高Vpp的畸形方波,如果其能量是通过LC回路谐振产生,那么可以认为这个驱动是有价值的,至于工程实现复杂、稳定性问题
事物的认识
天工开物
19年2个月前
发表于
科学技术学
内容:事物的协调平衡特性才保持了事物的稳定也决定了事物的存在。
科学之曲线传播
大仙
16年5个月前
发表于
科学技术学
内容:《万历十五年》以一种新历史观真实描述了帝国危机前的社会现实,整个国家一直随着人事的不规则不可预见变动而处于不稳定状态,所谓的学术以文科的四书五经的道德、礼仪教化为主,自然科学和社会技术均不入流。
回 2楼(拔刀斋) 的帖子
企鹅
11年4个月前
回复于
科学技术学
内容:美国国家航空航天局发射车辆的
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