Channel estimation methods can be broadly divided as the data symbol auxiliary and blind channel estimation.
信道估计方法大致可分为数据符号辅助的信道估计和盲信道估计。
For each data symbol and each combined state, a Viterbi processor (703) determines a path metric and a substate indication for each path to the combined state.
对于每个数据码元和每个组合的状态，维特比处理器（703）确定对于到组 合状态的每个路径的路径度量和子状态指示。
A geo-spatial entity which can be organized from geometric data, symbol data, entity data, attribute data is regarded as an object to the object oriented geographical information model.
面向对象的地理信息模型以地理空间实体为对象，地理实体可以从几何数据、符号数据、实体数据、属性数据的角度来进行数据的组织。
A geo-spatial entity which can be organized from geometric data, symbol data, entity data, attribute data is regarded as an object to the object oriented geographical information model.
面向对象的地理信息模型以地理空间实体为对象，地理实体可以从几何数据、符号数据、实体数据、属性数据的角度来进行数据的组织。
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