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- Soil sampling error in agricultural environment. 农业环境中土壤取样误差研究。
- At ISR = 10dB and BER (Bit Error Rate) = 10? 当干信比为10dB、误码率为10?
- A biopsy could miss such lesions from sampling error, too. 活检会因取材不当而漏诊。
- Downtime is measured based on server side error rate. 服务中断由服务器端错误率衡量。
- The error rate of mistaking the number symbols is higher . 看错数字符号的错误率较高。
- We then simulate the BER(bit error rate) performance of WLAN by baseband model. 在蓝牙干扰存在的情况下,用物理层基带模型对WLAN的误码率性能进行了仿真;
- The margin of sampling error for all adults was plus or minus 3 percentage points. 调查结果误差为上下三个百分点。
- A channel model is set up to dete ct the effect of vehicle speed on error rate. 分析了车辆/列车速度对无线信息传输误码率的影响;
- The statistical effect of sampling error during the reproduction of alleles is much greater in small populations than in large ones. 在等位基因复制期间,抽样误差的统计学效果对小群体的影响比对大群体的影响大得多。
- A false positive or negative error rate is impossible to measure because these are such rare events. 一个错误的正或负误差率是不可能衡量的,因为这些是很罕见的事件。
- The poll was conducted from Feb. 11-14 and involved telephone interviews with 1,007 adults. The margin of sampling error was plus or minus 3 percentage points. ??? 这项民意测验是在2月11日至14日进行的,共电话采访了1007的成年人。 抽样误差区间为正负3个百分点。
- They proved the existence of mental rotation with RT and error rate by the means of behavioural study. 他们主要采用行为学研究方法,通过反应时和错误率证明了心理旋转的存在。
- This 105% increase in the error rate is statistically next to impossible to happen. 这一105%25的错误率增加值在统计学上几乎是不可能发生的。
- Thirdly, as the main performance of transmitter, the maximum data rate and Bit Error Rate (BER) have been analyzed. 接下来是对于系统主要性能的评估,对于数据发送器最主要的性能是极限数据率与误码率,这两个性能主要是由片上信号带宽以及信号完整性决定的。
- Q: Would different sample size for different questions affect the sampling error? 问:个别题目的样本数目会否影响抽样误差?
- Bit Error Rate (BER) performance is investigated over Nakagami(m) multi?path fading channel. 本文给出了IS-95前向信道的调制和解调过程的数学模型,分析了IS-95前向信道在Nakagami(m)衰落信道下的误码率。
- Several events,that affect genetic variation during ecological restoration,such as sampling error and small population size (bottleneck or founding event and subsequent inbreeding and genetic drift),were extensively discussed. 分析了生态恢复过程中影响种群遗传变异的因素,主要有取样误差和小种群效应(主要是瓶颈或建立者事件及其以后的近交和漂变等);
- Simulation results show that the bit error rate with MRC is identical to that with BLLR-GSC of L/2 branches. 仿真结果表明采用L支路基于信噪比的MRC的误比特率和选择L/2支路的BLLR-GSC的误比特率相等。
- This paper was focused on deriving the B nomogram of L-moments method,which was used to estimate the sampling errors in frequency analysis. 在设计洪水的抽样误差估计中,采用保证修正值系数B方法估计均方差简单易用。
- Method R is computationally inexpensive, and the sampling errors and approximate credible intervals of estimates can be obtained. 法的主要优点是计算成本低,同时可以得到方差组分估值的抽样误差和近似置信区间。