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为了配合航道模型中船模航速的测定,我们研制了遥测流速仪,在模型实际应用中符合精度要求。该仪器应用遥测的原理,通过无线电波传送流速信号。将传感器及发射机装在船模上,岸边安置接收机及流速仪数字显示器,光点示波器。采用光电式旋桨传感器,可准确地测出船模在航行中的航速,并且也不影响船模的机动性能。此仪器还可用于定点测量,并便于集中读数取数据。
In order to cooperate with the determination of ship model speed in the channel model, we developed a telemetry velocity meter, which meets the accuracy requirements in practical application of the model. The instrument uses the principle of telemetry to transmit velocity signals over radio waves. The sensor and transmitter mounted on the ship model, the shore placement of the receiver and the current meter digital display, spot oscilloscope. The use of photoelectric propeller sensors can accurately measure the speed of the ship in navigation, and does not affect the maneuverability of the ship model. This instrument can also be used for fixed-point measurement, and easy to read data centralized reading.