Subsequently the estimation consistency is proved, and the estimation variance is derived theoretically.
通过理论分析，给出了波达方向估计的一致性证明和估计方差的计算公式。
The lognormal kriging systems and logarithmic kriging variance are established after non-bias condition and minimum estimation variance are studied.
在分析了无偏条件及最小估计方差之后，给出了对数正态克立格法方程组及对数克立格方差。
Generalized cross correlation is an important technical measure to solve time delay estimation problem. Time delay estimation variance can reach CRLB by using ML weighting.
广义相关是解决时延估计的重要技术措施，采用极大似然加权进行时延估计时方差可达到克拉美罗界。
Optimizing the software components reliability, not only need to maximize the reliability of the estimates, but also need to minimize reliability estimation variance and testing costs.
对组件软件可靠性进行优化工作时，不仅需要最大化其可靠性估计值，同时还要最小化可靠性估计方差以及测试代价。
Optimizing the software components reliability, not only need to maximize the reliability of the estimates, but also need to minimize reliability estimation variance and testing costs.
对组件软件可靠性进行优化工作时，不仅需要最大化其可靠性估计值，同时还要最小化可靠性估计方差以及测试代价。
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