您要查找的是不是:
- Dust chambers, ultra low industrial freezers. 吸尘室,超低温工业冷冻机。
- The duty on ultra low sulphur diesel is a steady source of revenue. 超低硫柴油税是一项稳定的收入来源。
- Compared to traditional microstrip antenna, the presented antenna possesses broader beamwidth, low sidelobe and broad circu... 传统的微带天线通常具有低剖面、安装容易、重量轻以及与承载的母体在外形上拥有一致性等优点。
- The affects of polytropic plus integration number and low sidelobe level were considered in the detection probability calculation. 考虑了相控阵雷达多变的 脉冲积累数和极低的副瓣电平对发现概率的影响。
- To obtain low sidelobe level,tolerance analysis is applied to the antenna array composed by DAUs and the relationship between DAU features and surface planeness error are studied. 为了确保天线低副瓣指标,需要对由DAU拼装形成的天线阵面进行平面度误差分析,并寻求基本拼装单元DAU结构要素与阵面平面度误差之间的联系。
- Ultra low chassis measurement.Camber-lifting for adjustment.Electronic leveling function. 超低底盘检测,外倾角升起调整,电子水平功能。
- The PED System is an ultra low frequency "through the earth "paging control and remote blasting system. PED井下无线通讯与急救系统是世界上唯一一套可实现超低频信号穿透岩层进行传输的无线急救通讯系统。
- The key to the design of feeble signal sampling system lies in the designing of ultra low noise preamplifier. 设计超低噪声前置放大器是设计微弱信号采集仪器时不可回避的技术问题。
- With the ultra low frequency sound box combination use, may have theacoustics which plentifully shocks. 与超低频音箱组合使用,可产生更加丰满震撼的音响效果。
- Meanwhile, the effects of CNPS and common calibration curves with N on ultra low C and N analysis are compared. 试验结果表明本法准确、可靠,实现了用火花源原子发射光谱仪对钢中超低C、N、P和S的快速、准确度的影响。
- An ultra low insertion loss GaAs MMIC RF SPDT switch based on full-ion-implantation technology is reported. 报道了利用离子注入技术研制出一种用于手机的超低插损砷化镓单片射频单刀双掷开关。
- Even if it cannot produce ultra low interfacial tension, its last producible oil index may equal that of APS. 再加上二元体系的粘度和弹性比三元体系的高很多,即使界面张力达不到超低值,总采收率也可以达到三元复合驱采收率值。
- This master thesis deals with the study of ultra low power Low Noise Amplifier (LNA) for use inmedical implant device. 在本篇论文中,我们提出一个低功率数位讯号处理器的实作经验。
- The design and analysis of a low sidelobe Cassegrain antenna using resistive hyperboloid are presented in detail. The surface resistivity of hyperboloid can be expressed in terms of the target low sidelobe aperture distribution. 本文用沿径向有阶梯变化的表面电阻的双曲面来设计低旁瓣卡塞格伦天线 ,给出了双曲面表面电阻值与所需的低旁瓣口径场分布理论值的关系式。
- With the simulation and analysis using MATLAB, this paper studied a method to design low sidelobe FSK/PSK radar signal with Genetic Algorithm and three algorithms for pseudo-random FSK/PSK radar signal sidelobe suppression. 本文讨论了一种用遗传算法设计低旁瓣水平FSK/PSK信号的方法和三种伪随机FSK/PSK信号旁瓣抑制算法,并用Matlab进行了仿真分析。
- Theoretical analysis and calculational results are presented to demonstrate that due to the low sidelobe gain of beam, the degree-of-freedom (DOF) of the clutter is significantly decreased. 理论分析和仿真计算结果表明,和差波束低副瓣增益有效抑制了旁瓣杂波,降低了杂波自由度。
- Hon Miriam LAU moved a motion on reducing and remitting the duty on ultra low sulphur diesel. The motion as amended by Hon SIN Chung-kai was passed. 刘健仪议员动议有关减免超低含硫量柴油税的议案,该议案经单仲偕议员修订后获得通过。
- The backfire antenna is a kind of compact structure, high gain and lower sidelobe antenna, but its bandwidth is limited. 背射式天线具有增益高、副瓣低和结构紧凑的特点,但其频带较窄。
- The characteristics is used to design a ring-focus Cassegrain antenna and it was found that it has higher gain and lower sidelobe level. 文中还利用上述特性设计了一个大口径的焦环卡塞格伦天线 ,结果显示 :它有较高的增益和较低的副瓣电平
- A new method,which the ultra low frequency dielectric spectroscopy can be obtained by the absorption current with FFT,was established. 本文描述了一种利用FFT,从介质吸收电流得出其超低频介电频谱的新方法。
