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Simulation results show that our algorithm enforces the adaptability of differential space-frequency modulation to the time delay expansion.Finally, we give our work to reduce the complexity of multiple symbol differential sphere decoding in differential space-time modulation. Through the modification of the enumeration strategy of the search tree in sphere decoding, we significantly reduce the complexity of detection at the expense of little loss on performance.

理论分析和仿真结果都验证了这种检测算法对长信道时延的适应能力论文最后还对差分空时调制中的多符号检测算法进行了研究,提出了一种降低差分空时调制系统中多符号差分球形译码算法复杂度的方法,通过改进球形译码中搜索树的排序策略,使得系统在牺牲较少性能的基础上大大降低了算法实现的复杂度。

Flowers usually subsessile, pedicels absent to 1(--2) mm, bract and bracteole borne on distal 1/2 of pedicel; perianth lobes linear-lanceolate or narrowly oblong-lanceolate to linear; capsule turbinate, oblong-obovoid, obovoid, or ovoid.

花通常近无柄,对1(-2)毫米,苞片和小苞片生于花梗的上部1/2的花梗无;花被裂片线状披针形或者披针形狭长圆形的到线形;蒴果陀螺状,长圆形,倒卵球形,或卵球形

In comparison,the rhizobia in mature infected cells were larger,greater in number,varied in shape,and distributed throughout the nodule cells.The rhizobia in the mature cells also had poly-hydroxy butanoic acid and curapos.

成熟侵染细胞中,根瘤菌个体较大,数量较多,多呈棒状,少数为球形或椭球形,有很多根瘤菌还呈现明显的"T"形、"Y"形或"V"形,菌体占满了整个细胞,这时的根瘤菌大多数含有聚羟基丁酸和聚磷酸盐颗粒。

Based on the Laser Doppler technology, Information technology, Image Recognition and Process tenology, the laser image characteritics of ultra-fine and non-spherical particles are studied. The laser image recognition method based on neural network theory are obtained. The associated hardware and computer software for analysis of the shape characteristics are developed. The shape characteristics of typical particles such as fire smoke particle and carborundum are studied by using such method. The results of this project are useful to develop the new reliable, accurate and rapid experimental diagnoses technology.

本项目综合应用激光多普勒技术、信息技术和计算机图像识别处理技术,研究了非球形超细微粒的激光影像形成规律,建立了基于神经网络理论的粒子形状特性测量方法并发展了相应的硬件系统及其计算分析软件,并利用该系统研究了火灾烟雾颗粒、金刚砂等典型非球形超细微粒的形状特性,已初步形成了可靠、准确、快捷的新型实验诊断方法,为进一步发展实用的非接触诊断技术提供条件。

Seeds glossy black-brown or black, subglobose or oblate, orbicular-reniform, tuberculate or ribbed, with pale caruncle.

种子黑棕色或黑色的有光泽的,扁球形,近球形或圆形肾形的,具瘤或棱,具浅的种阜。

Wherein, the chemical formula of said compound is γ-HaKbNac(H2O)dNixM1-XO2 and the method comprises that mixing the nickel salt solution and at least one metal salt solution to attain the solution A; preparing caustic soda or caustic potash solution and adding sodium carbonate or potassium carbonate to attain the solution B; preparing the ammonia solution C; reacting the A, B, and C, processing the solid-liquid separation to attain the ball α nickel hydroxide; reacting with the oxidant in the solution of caustic soda or caustic potash to attain the black solid-liquid mixture and processing the solid-liquid separation to attain the ball γ hydroxyl nickel oxide.

其化学表达式为γ-HaKbNac(H2O)dNixM1-XO2,将镍盐溶液与至少一种金属盐溶液混合得溶液A,配制氢氧化钠或氢氧化钾溶液,加入碳酸钠或碳酸钾得溶液B;配制氨水溶液C;将A、B、C反应,固液分离,得球形α氢氧化镍;在氢氧化钠或氢氧化钾溶液中与氧化剂反应,得黑色固液混合物,再固液分离,得球形γ羟基氧化镍。

The paper focuses on complex sphere decoding algorithm and compares it with the real sphere decoding algorithm.

本文在实数球形算法的基础上,着重对复数球形算法进行了分析,对二者做了比较。

It was found through observing configuration of mycelium and conidiophore undermicroscope that white, diaphragmatic mycelium extended like branch, and pycnidium was roundor nearly round, and organ wall was dark brown and membranous, and spore was linear,transparent, straight or curving with 1~3 diaphragm.

于显微镜下观察菌丝体结构和分生孢子形态发现:菌丝体呈树杈状伸展,白色,有隔膜;分生孢子器球形或近球形,器壁暗褐色,膜质;分生孢子线形,无色透明,正直或弯曲,顶端略尖,1~3个隔膜。

Firstly, the development of the spherical robot is introduced and according to the knowledge of the research forepassed, the nonholonomy and the nonlinear controllability for a spherical robot based on the principle of angular momentum conservation are discussed with the differential geometric control theory.

首先介绍了球形机器人的发展状况,在了解前人研究领域的基础上,应用微分几何控制理论,对此角动量守恒的球形机器人的非完整性和非线性可控性进行了研究。

Probably, during the formation of spherical Au nanocrystals, PVP or PAM can be selectively adsorb on certain crystal planes of Au nanocrystals by the complexing effect between N or O with Au atom, thus leading to the different growth rates at different crystal planes of spherical Au nanocrystals and resulting in the formation of faceted Au nanocrystals and Au nanoplates.

研究表明,多面体和片状Au纳米晶是由球形Au纳米晶转变而来,这个转变是由于在球形Au纳米晶的形成过程中,PVP和PAM借助于其特有的N原子和O原子吸附到Au纳米晶的Au原子上,造成了晶体不同晶面生长速率的差异而导致的结果。

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