可调和的

Especially, the technology of Automatic Gain Control and signal processing are studied which are key factors working on the performance of the receiver. Based on analyzing the theory of automatic Gain Control, operational amplifiers 0P37 and logarithmic D/Aconverter AD7111A are used to design variable gain amplifiers which can be controlled numerally, A/D convector LTC1405 is Used to test the echo, Complex Programmable Logic device is used for controller, and an arithmetic is designed for automatic Gain Control which is simulated and analyzed in order to test its feasibility.

本文在分析自动增益控制AGC原理的基础上，采用集成运放OP37和数控增益衰减器AD7111A设计可数字控制的可变增益运放模块；采用高速A／D转换器LTC1405作为回波信号检测模块；采用复杂可编程逻辑器件CPLD作为核心控制模块，构成数字自动增益控制电路，并设计粗调和细调步进控制相结合的算法，对回波信号的增益进行精确而快速的调节控制，使回波信号振幅快速稳定在设计指标范围内，利于接收机后续信号处理电路对回波信号作进一步的处理。

And the radius of the convergence set of the differentiated series is the same as for the orginal series.

定理5 如果幂级数的收敛半径为则其调和函数在内可导，且有逐项求导公式

At many occasions they arise quite natu-rally.For example,they appear in the Iwasawa decomposition of the isometry group ofa non-compact Riemannian symmetric space.Also,every connected homogeneous Rie-mannian manifold of non-positive sectional curvature can be represented as a connectedsolvable Lie group with a left-invariant Riemannian metric.

它们出现在非紧致黎曼对称空间的等距群的Iwasawa分解中；任一非正截面曲率的连通齐性和黎曼流形可以表为带有左不变黎曼度量的连通可解李群等，带有左不变黎曼度量的幂零及可解李群的微分几何，调和分析和谱几何是重要的研究课题。

In the training, can be patient and meticulous and ingenious induction, training dogs to fully reconcile the demand for access to the high material ...

在训练中，可通过耐心细致而巧妙的诱导，充分调和培养犬对获取所求物的高度。。。

The additive with high octane number to light oil improves the quality of li ght-oil based fuel greatly.

轻油高辛烷值调和剂显著提高了轻油基燃料的抗爆性，使火花点火式发动机可采用较高压缩比工作。

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It is difficult to achieve harmonious color schemes. After studying and comparing the character of different kinds of color spaces, we found that the perceptual uniform Lab color space is helpful for this hard work.

对计算机辅助色彩调和工具进行研究，分析了 Lab均匀色彩空间的特性，提出了可视化匀色空间的两种算法，对比其性能表现并进行了分析。

According to this model, approximate harmonic map is easily and fleetly solved by using computer linear circuit analysis.

利用此模型，可由计算机分析线性电路的长处，既方便又快速地求出调和映射的近似逼近。

The bi-harmonic equation of simply supported thin polygonic plates is decomposed into Poisson's equations.

简支多边形薄板双调和定解问题可分解为二个互不耦合的Poison方程的定解问题。

Its application in Maotai Distillery had realized big pot (120 t) blending the problem of unstable liquor quality by small pot (5 t blending was settled, shortened production time, brought satisfactory economic benefits to the enterprise through energy-saving, and successfully prevented the loss of flavoring substances during liquor blending. Besides, maintenance-free of the system had freed the maintenance necessary to mechanical stirring before. Tran. by YUE Yang

脉冲气动调和搅拌系统在MT酒厂的应用表明，不但可尊重该厂的原始工艺，确保成品的质量，企业还实现了大罐（120 t）勾兑，解决了小罐（5 t）勾兑批次成品质量不稳定问题；缩短生产时间，提高了企业生产效率；节约能耗，降低生产成本，给企业带来了良好的经济效益；不需要进行罐维修，解决了此前采用机械搅拌需要的维修；可解决白酒勾兑过程芳香物质的损失问题。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。