查询词典 in-line antenna

The simulated analysis results of the hybrid method are in good agreement with the results presented in the literature, which shows that the method is feasible and accurate. Finally, the hybrid method is used to analyze a side-fed offset Cassegrain antenna, and its radiation characteristics as well as its gain under wide-angle scanning are given.

与文献中已有结果的比较表明，文中的混合方法是可行和精确的，并采用该混合方法对一个侧馈偏置卡塞格伦天线进行了分析，给出了该天线的宽角扫描辐射特性和增益。

The principle and design scheme is set forth about antenna tracking control system of orbit weather secondary planet in the paper. Its characteristic is that the circuity of the system is greatly simplified by tracking logic circuit, The well effect is shown in practice.

阐述轨道气象卫星天线跟踪控制系统的工作原理及系统设计方案，其特点是采用跟踪逻辑电路，大大简化了天线控制跟踪系统的战略，在实际应用中获得良好的效果。

A wireless system for use in a low power data communications in a sub-millimeter wave zone includes at least one wireless communications device including a directional antenna whose cross-polarization discrimination is not less than 24 dB, wherein the wireless system uses a plurality of planes of polarization selectively.

一种用于亚毫米波带中的低功率数据通信的无线系统包括至少一个无线通信装置，该无线通信装置包括交叉极化鉴别率不小于24dB的定向天线，其中，该无线系统有选择性地使用多个极化面。

Though the emergence is later and its development in industrial aspect is slower in China, with the appearanceand development of cable-casting and Community Antenna Television, the capacity of making profits for Broadcasting Industry in China is stronger continuously, and the quotient by appropriating funds from central government dividing total income has been dropping constantly.

虽然起步晚、产业化发展慢，但随着有线广播电视和卫星电视的出现和发展，中国广电产业创收能力不断增强，财政拨款在总收入中的份额不断缩减。

A novel algorithm is proposed in this literature to estimate the transmit and receive antenna correlation matrix, RT and RR , in MIMO system.

摘要该文提出了在MIMO系统中一种估计发射及接收天线相关矩阵 RT ， RR 的新算法。

Due to the absorption of ozonosphere existing in near-ground atmosphere, the transmission distance is limited in a shorter range, therefore a shortlegged, cryptical, safe and antijamming communication system is constructed, and the conventional antenna is not needed.

由于近地表大气臭氧层的吸收，所以传输距离被限制在一个较小的范围内，构成了短距离的、秘密的、安全的和抗干扰的通信系统，并且不需要传统意义上的天线。

In this chapter proposed the repetition iteration algorithm through the training sequence and its the corresponding array data-in repetition useenlarges the TD-SCDMA channel in the iteration step, may approach theoptimum result under the short data length, take the LMS algorithm asthe example simulation result indicated this method is feasible, mayeffectively improve the TD-SCDMA system smart antenna the performance.

本章中提出的重复迭代算法通过把TD-SCDMA信道中训练序列及其对应阵列输入数据重复使用加大迭代步数，可以在短的数据长度下逼近最佳结果，以LMS算法为例的仿真结果表明该方法是可行的，可以有效改善TD-SCDMA系统智能天线的性能。

In this paper, a improved method of DCA is proposed. In TD-SCDMA, method combined joint detection and smart antenna is applied.

针对TD-SCDMA系统的这一特点，提出了一种对原有动态信道分配方法的改进方法。

Time-Frequency parameter estimation and direction finding for nonstationary signals impinging on an antenna array over a wide frequency band (2~18GHz) is under in-vestigation, and a new method for parameter and 2-D Angle-Of-Arrival estimation of spatio-temporal undersampled LFM sources is proposed in this paper.

摘要针对宽频段(2-18GHz)内非平稳来波信号的参数估计和测向问题，提出一种时空欠采样线性调频信号参数与二维到达角联合估计方法。

Shenzhen Horizon Electronics Co.,Ltd.is the authorized distributer of Murata which is among the top 500 companies in the world. The products of Murata such as MLCC, EMI noise suppression products, EMI filters, Resonators, Saw filters, Antenna switch is widely used in mobile phones, mp3,digital camera, computers and other kinds of electronic products.

深圳市鸿容通电子有限公司是村田电子元器件授权经销商，村田电子制造所是世界五百强企业之一，世界被动元器件的领导者，其生产的多层片状陶瓷电容，电感，磁珠，陶瓷震荡子，陶瓷滤波器，声表滤波器，天线开关，压腔震荡子等产品广泛的应用于手机， mp3，数码相机，电脑等世界上各类电子产品中。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。