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[3G develop] TDQ2668 DL : 0: WAVECOM 的TD 3G模块，Q2668的相关资料，有详细的模块功能介绍，和AT指令-WAVECOM s TD 3 G module, Q2668 related material, have detailed module function is introduced, and AT instructions
Date : Size : 2.52mb User : hqy
[Software Engineering] Depth-data-mining-sweep DL : 0: 扫频数据分析下图显示:某一个扫频测试点上获取了一个TD-SCDMA信号,其属性是主频率为10063,色码为58。而在扫频测试点的周围却有两个属性相同的小区:A小区与B小区。-The following figure shows the data analysis sweep: sweep test point on one obtains a TD-SCDMA signal, its properties are clocked at 10063, color code 58. And around the sweep test point there are two attributes the same cell: A cell and B cell.
Date : Size : 990kb User :
[Other] bottom_up_segmentation DL : 1: 这是TD算法的逆过程，首先将时间序列，划分为相邻点的短序列，当然此时的拟合误差为0，因为第一点和第二点的连线，原始点都落在线段上。将相邻两个线段连接起来，此时每条线段包含三个原始点，计算中间那个点的拟合误差。这样，所有这些三个点的线段中的中间点的拟合误差计算出来后，找出误差最小且误差小于阀值R的分段，作为第一条包含三个点的线段。在上面的基础上，第一条分段同样的和相邻线段连接，然后计算每一条分段的拟合误差，再找出误差最小且小于阀值R的分段，作为第二个分段。依次方式循环，直到所有分段的拟合误差都小于阀值R，分段结束。 -This is the reverse process of TD algorithm, the first time series is divided into short sequences adjacent dots, of course fitting error is zero at this time, because the first and second points of connection, the original point fall line on. The two adjacent segments are connected, then each segment contains three original point, the intermediate fitting error calculated that point. Thus, after all these segments fitting error of three points in the intermediate point calculated to find the minimum error and the error is less than the threshold R segment, as the first line contains three points. Based on the above, the first segment and the adjacent line segment connecting the same, and then calculate a fitting error for each segment, and then find the smallest error and less than the threshold R segment, as the second segment . Followed by a cyclic manner until all segments fitting error is less than the threshold R, segment ends.
Date : Size : 2kb User : Kit
[LabView] pid DL : 0: 温控一般是令Ti=0、Td=0。输入设定为系统允许的最大值的60%~70%，由0逐渐加大比例增益P，直至系统出现振荡；再反过来，从此时的比例增益P逐渐减小，直至系统振荡消失，记录此时的比例增益P，设定PID的比例增益P为当前值的60%~70%。(t control An integral term increases action in relation not only to the error but also the time for which it has persisted. So, if applied force is not enough to bring the error to zero, this force will be increased as time pass. A pure "I" controller could bring the error to zero, however, it would be both slow reacting at the start (because action would be small at the beginning, needing time)
Date : Size : 19kb User : yehyuchia
[Communication-Mobile] gsm_td_ops_1219_wdq DL : 0: 数字光纤直放站FPGA代码，同时支持GSM,TD-LTE双模(digital optical repeater FPGA coder ,support GSM and TD-LTE at the same time)
Date : Size : 72.68mb User : wangdeq3000

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