查询词典 radix

Firstly it describes the development ,basic principle and application and propagation characteristic of mobile channel , then investigates the system structure of DAB transmitter and receiver separately and the key technology of realization of the digital audio broadcast system.And then discusses the system component of FFT －the demodulation module of OFDM .The 409- points FFT module employs a radix-4 decimation-in-frequency algorithm, includes arithmetic element , read and write address element ,twiddle factor element and control element , is realized by FPGA. In the end , the result is verified in the matlab .

首先概述了OFDM的发展、基本原理和应用以及移动信道的传播特性，接着分别研究了数字音频广播接收机和发射机的系统结构，以及数字音频广播系统实现的关键技术，然后详细论述了OFDM解调模块FFT的系统结构，主要研究了4096点FFT采用基－4按频率抽取实现的算法，整个FFT模块包括了运算单元、读写地址单元、旋转因子单元以及控制单元，并且在FPGA中进行了硬件实现，并在matlab环境下对结果进行了验证。

Objective: To survey the influence and mechanism of the coumarins from Radix Angelicae Dahuricae on the hypnotic effects of pentobarbital sodium and barbital sodium in mice.

目的：通过观察杭自芷香豆素对戊巴比妥钠和巴比妥钠催眠作用的影响，初步探讨其中枢作用及其发生机制。

The tests of heavy metals and residual pesticides in Radix Curcumae show that Cu,Cd,Hg,Pb and As as well as dichlorodiphenyl trichloroethane, benzene hexachloride, pentachloronitro benzene etc.

通过对2002年、2003年郁金GAP基地所产药材的重金属及砷盐和农药残留量的检测，确定采用适合药材检测、GAP认可的《药用植物及制剂进出口绿色行业标准》为检测依据和限量标准。

In binary system the radix is 2, and the positions to the left or right of the binary point carry weight increasing or decreasing in power of

二进制系统的基数为2，且从小数点每左进一位或者右退一位，其权增加或者减少2幂次。

Results The water extract from Radix et Caulis Ilicis Asprellae could inhibit xylene-induced ear edema and capillary permeability increase in mice, hind paw edema and PGE2 increase induced with carrageen and granuloma induced with cotton ball in rats.

结果 岗梅水提取物能明显抑制二甲苯所致的小鼠耳廓肿胀和角叉菜胶所致的大鼠足跖肿胀及炎性组织中PGE2的生成

Objective To study the anti-inflammatory activity of the water extract from Radix et Caulis Ilicis Asprellae.

杂谈 目的研究岗梅水提取物的抗炎作用。

Bstract:Objective To study the anti-inflammatory activity of the water extract from Radix et Caulis Ilicis Asprellae.

D摘要：目的研究岗梅水提取物的抗炎作用。

The water extract from Radix et Caulis Ilicis Asprelloe exhibit both in vitro and in vivo anti-influenza activity.

岗梅水提取物在体内外均具有明显抗流感病毒的作用。

Objective To examine the in vitro and in vivo antiviral activity of the water extract from Radix et Caulis Ilicis Asprellae.

目的 研究岗梅水提取物体内外抗流感病毒的活性。

For chay and Radix Lithospermi, the assistance of low concentration iron ion was greater to complexing impression.

铜离子和铁离子浓度变化对洋葱和紫草的影响曲线变化最为显著，而茜草、紫草以低浓度亚铁离子处理时，对络合效果帮助较大；锡离子浓度的高低对茜草染色并无影响，对洋葱染色的影响变化较大。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。