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dddddddd
机械齿轮的参数优化,设计一直齿圆柱齿轮传动, 已知其齿数比u= 4, 小轮轴
扭矩T 1= 100N. m, 单向传动, 润滑良好, 非对称布置, 两齿
轮材料 小齿轮40Cr, 调质, 齿面硬度HB= 250~ 280, [ RH ] 1
= 630MPa, [ RF ] 1= 288MPa 大齿轮45 钢, 调质, 齿面硬度
HB= 220~ 250, [ RH ] 2= 550MPa, [ RF ] 2= 204MPa, 取载荷系
数K = 1. 28。(Parameter optimization of the mechanical gear design has been Cylindrical Gear, known gear ratio u = 4, small axle torque T 1 = 100N m, one-way transmission, well-oiled, non-symmetrical arrangement of the materials of the two gears pinion 40Cr quenched and tempered tooth surface hardness HB = 250 ~~ 280 [RH] 1 = 630 MPa [RF] 1 = 288MPa large gear 45 steel, quenched and tempered tooth surface hardness HB = 220 to 250, [RH] = 550MPa , [RF] 2 = 204MPa, to take load factor K = 1 28.)
- 2013-01-05 19:43:07下载
- 积分:1
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yu-chu-li
P0301:数字图像矩阵数据的显示及其傅立叶变换
P0302:二维离散余弦变换的图像压缩
P0303:采用灰度变换的方法增强图像的对比度
P0304:直方图均匀化
P0305:模拟图像受高斯白噪声和椒盐噪声的影响
P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308:图像的自适应魏纳滤波
P0309:运用5种不同的梯度增强法进行图像锐化
P0310:图像的高通滤波和掩模处理
P0311:利用巴特沃斯(Butterworth)低通滤波器对受噪声干扰的图像进行平滑处理
P0312:利用巴特沃斯(Butterworth)高通滤波器对图像进行锐化处理 (P0301: digital image data matrix display and Fourier Transform P0302: two-dimensional discrete cosine transform image compression P0303: using gray transform method to enhance the contrast of the image P0304: histogram equalization P0305: Simulation images by white Gaussian noise and salt and pepper noise P0306: 2D median filtering function medfilt2 right by Salt and Pepper image noise filtering P0307: using MATLAB functions filter2 of noise images mean filtering P0308: Image Adaptive Filter Weiner P0309: use five different gradient Enhancement Act for image sharpening P0310: Images of the high-pass filtering and mask handling P0311: use Butterworth (Butterworth) low-pass filter on the noise in the image smoothing P0312: use Butterworth ( Butterworth) high-pass filter for image sharpening)
- 2013-10-30 10:12:55下载
- 积分:1
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DVB-S2调制端完整仿真程序
dvb-s2发射端的数据生成模拟,包含了原始数据与星座图的编码映射过程、QPSK8PSK16ASK32ASK等算法的实现,非线性仿真等方面的内容。
- 2022-07-07 20:42:03下载
- 积分:1
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ModifiedMusic
修正的music 算法仿真,MUSIC算法是用于做信号的DOA估计(modified music)
- 2010-10-12 09:52:56下载
- 积分:1
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MIMO-model-preditive-control
飞行器-多输入多输出模型预测控制方法介绍(MIMO model preditive control)
- 2013-01-12 11:48:01下载
- 积分:1
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visual_ddk_drv
Driver template 32 and 64 bit, Visual studio 2008-2010
- 2013-04-20 22:33:45下载
- 积分:1
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EMV
终端EMV认证资料,包含四册,中文翻译版本(EMV terminal certification information, contains four, Chinese translated version)
- 2015-01-28 11:28:25下载
- 积分:1
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mie
该函数程序用于计算大气米散射中吸收、散射、衰减、后向散射。(Computation of Mie Efficiencies extinction (qext), scattering (qsca), absorption (qabs), backscattering (qb), asymmetry parameter (asy=<costeta>) and (qratio=qb/qsca).)
- 2013-06-09 10:57:31下载
- 积分:1
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NLMS-DFE
基于NLMS算法的判决反馈(DFE)均衡(Decision feedback (DFE) equalization based on NLMS algorithm)
- 2020-12-01 14:19:26下载
- 积分:1
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大气信道仿真
大气信道仿真代码,仿真大气信道在不同天气对激光信号的衰减情况有关 米耶散射M-P负指数雨滴尺寸分布模式oss雨滴分布
- 2022-03-16 21:00:47下载
- 积分:1