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- Compared with Tufvesson's method,the proposed method has more precise estimation and larger estimation range. 分析了新方法的估计精度,给出了新方法与原方法相比较的性能增益。
- Theory and simulation result shows it has a large estimation range and good estimation precision, fits for high speed burst modern communication system. 理论与仿真结果表明该算法具有估值范围大、精度准的优点,并且计算量小,非常适用于高速突发的现代数字通信系统。
- The new estimator gives threshold than Kay?s method while retaining the unbiased property and estimation range. 新的估计方法的方差具有更低的输入信噪比阈值,而保持了Kay的方法的无偏性和频率估计范围。
- Simulation verified these algorithms for MPSK, and the result shows that the Kay algorithm has wider estimation range and the Fitz and L &R algorithms have the better performance of estimation. 利用MPSK信号对上述算法进行了计算机仿真验证,仿真结果表明:Kay算法的鉴频范围大,而Fitz算法和L &R算法的估计性能好。
- The Rodong has an estimated range of 1,300 kilometres, which makes it capable of hitting anywhere in Japan. 芦洞飞弹的估计发射范围是1.;300千米,也就是说,它可以攻击日本的任何一个角落。
- Most estimates ranged to ten percent, several to fifteen. 大多数估计高达10%25,有的能到15%25。
- Results show that the range alignment algorithm based on maximum modified kurtosis can estimate range shifts and fulfills range alignment. 结果表明,基于最大修正峰度的距离对准算法可以准确地估计出回波的距离偏移量,实现距离对准。
- Scientists are unsure how many cells exist in the human body; estimates range from 10 to 100 trillion. But you once existed as a single cell-for about half an hour. 科学家们还不能确定,究竟有多少个细胞存在于人体内,估计大约有10至100万兆不定。但,你曾以一个单细胞的形式存在,而仅是半小时而已。
- Simulation results show that the accuracy of timing synchronization and the estimate range of the frequency offset outperform those of the other available methods. 仿真结果表明所提方法的符号同步偏移估计精度和频偏估计范围均优于已有的同步方法。
- An algorithm for jointly estimating range, frequency and DOA of near field narrowband polarized sources with a uniform linear array (ULA) of orthogonal dipole-pair was presented. 摘要研究了由与坐标轴方向一致的偶极子对构成的均匀线阵。使用四阶累积量提出了一种极化近场源距离、频率及到达角(DOA)三维参数联合估计算法。
- Using drive-by-wire technology and a joystick to control the action, the car is capable of up to 15mph (25km/h) and has an estimated range of up to 217mi (350km). 采用线控驱动的技术和操纵杆来控制行动,赛车能达到一五英里每小时(二五公里每小时),并估计射程可达217mi(350公里)。
- Scientists are unsure how many cells exist in the human body; estimates range from 10 to 100 trillion. But you once existed as a single cell - for about half an hour. 科学家现在并不确定人体内到底有多少个细胞;估计从10万亿-100万亿不等。但你曾经以一个微细胞的形式存在,时间大约为半小时。
- He has lowered himself in my estimation. 依我看,他降低了自己的身份。
- In my estimation, he is a more suitable candidate. 我认为他是更合适的人选。
- Mr. Black stands high in the public estimation. 布莱克先生在公众中声望很高。
- It has come within the range of practical politics. 这就属于可实施性政治的范围了。
- He is equal to the job in my estimation. 据我看,他能胜任这项工作。
- We sell a wide range of ales and stouts. 我们出售种类繁多的浓啤酒和黑啤酒。
- Come and see our range of gardening tools. 来瞧瞧我们的成套园艺工具吧。
- Yellowstone-area bears had been listed as "threatened" since 1975, when population estimates ranged from 136 to 312. 黄石面积熊被列为"威胁"1975年以来;在人口估计介于136至312.