Total photosynthetic potential increased 36.7% and rate of photosynthesis increased more than 0.57 mg/ min m~ 2 of CO_2.The growth center was transfered to the root region more than 5 days earlier.
Automatic take-off and landing control system based on centimetric wave ILS guidance is designed in MATLAB/ SIMULINK environment by classical control system design method. And at the same time, transient jump during control law' switch is discussed.
5.GDB-49型光电倍增管在分米级精度人卫激光测距系统中的应用
Application of Model GDB-49 Photomultiplier in System of Laser Range Finding of Satellite with High Precision
The system yield the performance of decimeter position accuracy, centimeter velocity accuracy, 0.2 degree attitude accuracy, and more than 100 Hz update rate output.
7.本文探讨脉冲星PSR2217+47分米波段流量变化的星际折射闪烁解释。
The structure functions of the long-term flux variation in PSR2217+ 47 at decimeter wavelengths are analysed and interpreted in terms of refractive interstellar scintillation.
The solid state power amplifier module designed using this power combining chain provides 300W linear power output in decimeter wave band. This module has bright prospects for its applications in color TV transmitters to be manufactured in China.
9.分米级精度人卫激光测距仪的接收系统
The receiver system of the satellite laser ranging system with decimeter level precision
10.厘米是分米的十分之一,或者说是米的百分之一。
The centimeter is one-tenth of the decimeter or one-hundredth of the meter.