unvaried

By considering the feature that the channel is basically unvaried during the course of transmitting many bits data in ultrawideband ( UWB) communications, a novel UWB correlation receiver of the average transmitted-reference type was presented.

基于超宽带（UWB）通信在多个比特数据传输中信道基本不变的特点，提出一种平均传输参考型UWB相关接收机。

Keeping both major and medium principal stresses unvaried and increasing minor principal stress are a potential stress path in practical projects such as the impounding of earth and stone dam and the backfilling of earthwork.

保持大主应力、中主应力不变，增大小主应力是实际工程中可能存在的一种应力路径，土石坝蓄水和土方回填等就类似这种加荷方式。

It has also been found that the density of water in droplets was significantly larger than that of free water, and was varied with the solvents, while the configuration of AOT molecule kept unvaried.

发现在微乳液滴中的水的密度明显大于自由水的密度，并随溶剂变化，而AOT分子的构型不变。