查询词典 GHz

"Typically they move in geosynchronous orbits about 22,300 mi (35,900 km) above the earth and operate at frequencies near 4 gigahertz for downlinking and 6 GHz for uplinking."

"典型的通讯卫星位于地球同步轨道，约在地球上方35，900公里处，操作频率向地传输4吉赫，向上传输为6吉赫。"

The result show that the glass cover of amouphous glass-covered Fe-rich microwires are symmetrical, and the diameter ranging from 10μm to 30μm, they have the better electromagnetic parameters during the range of 2 ~18GHz. Reflection coefficient of one-layer absorber ( 1m m thick) was nμmerically calculated.

实验结果表明，由熔融拉丝法制备的Fe基纤维包覆玻璃形貌均一，直径范围在10μm～30μm之间，相结构分布均匀，在2 ~18 GHz波段具有较好的电磁参数，并计算了1 mm的单层反射率曲线。

In order to understand the relationship between dielectric properties and sugar content of juices, dielectric properties of juice of three honeydew melon cultivars and four watermelon cultivars with different maturities were measured with an open-ended coaxial-line probe and impedance analyzer over the frequency range from 10 MHz to 1.8GHz. Soluble solids content of fruit juice and moisture of fruit pulp were also measured. The correlation between dielectric properties and soluble solids content was analyzed.

为了解果汁的介电特性与其主要内部品质——糖度之间的关系，该文利用末端开路的同轴探头和阻抗分析仪测量了10 MHz～1.8 GHz的频率范围内不同成熟度的3个品种密瓜汁和4个品种西瓜汁的介电特性，同时测量了反映果汁糖度的可溶性固形物含量和果肉的含水率，分析了介电特性和糖度间的关系。

Prediction method of long-term statistics of hydrometeor -induced cross-polari{ation is very important in designing satellite communication frequency re-use systems above 10 GHz utilizing orthogonal polarizations.

水凝物的交叉极化预报模式对10GHz以上频段使用正交极化频率复用的卫星通信系统设计具有重要意义。

The discovery was made by Lasse Mejling Andersen of Denmark using an Intel Celeron 2.80 GHz with 512 MB RAM.

这个发现是由丹麦的 Lasse Mejling Andersen 的一台赛扬 2.8G 512MB 做出的。

On the basis of the analysis of the DBS signals and the principle of the optical receiver and in light of the application features of fiber-optic broadband access networks, a 3 GHz analog optical receiver with fairly high sensibility and large dynamic range has been designed and developed for the optical broadband satellite TV signals.

通过对直播卫星下行信号和光接收机原理的分析，针对光纤宽带接入网的应用特点，设计并研制开发出了一款达到3GHz带宽，用于接收宽带卫星电视光传输信号，具有较高灵敏度和较大动态范围的模拟光接收机。

The magnetic permeability of the stick-like CoFe2O4 is about once and the anisotropy constant is about 5 times larger than those grain-like one in a frequency range of 15~20 GHz.

经测试电磁学性质发现，与粒状的CoFe2O4相比，棒状的CoFe2O4磁导率虚部在高频15~20GHz范围增加了近1倍，各向异性常数Ku则增加了近5倍。

Based on these characters of MCS ,the relationship between 85.50 GHz polarization-corrected temperatures and lightening is further discussed.

在此基础上，进一步探讨了85.5GHz极化订正温度和闪电的关系。

A protocol for probabilistic cloning of a class of three-qubit Greenberger-Horne-Zeilinger state and its orthogonal complement state by using three maximally two states as the qua山1m channel is proposed.

基于三个二粒子纠缠态作为量子信道，提出了一种类型的未知三粒子GHZ 态或其正交态的概率克隆方案。

A 4.2–5 GHz, low phase noise LC-VCO with constant bandwidth and small tuning gain

一个4.2至5吉赫兹，低相位噪声，低调谐增益，等子频带间距的电感电容型压控振荡器

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐