Ge Precision Healthcare LLC

Baidu Online Network Technology (beijing) Co., Ltd.

Baidu Online Network Technology Co., Ltd.

Xianchao Wu

Yu Liu

Xin Xie

Haoyang Xing

Dongliang Yang

Kai Wang

Tingting Song

Chunlai Xiao

Long Chen

Jianye Ning

Hong Gu

Chuang Wu

Xiaoxin Chen

Mianmian Wen

Zhaoyi Zhou

Provided in the present invention are a linear compensation method for a radio frequency amplifier and a magnetic resonance imaging system. The linear compensation method for a radio frequency amplifier includes determining a working voltage of the radio frequency amplifier, determining a corresponding linear compensation value based on the working voltage, and performing linear compensation on the radio frequency amplifier based on the linear compensation value.

Linear compensation method and apparatus for radio frequency amplifier and magnetic resonance imaging system

The present invention relates to an RF transmit system and method, MRI system and a pre-scan method and medium thereof. The RF transmit system comprises: an RF output unit, for generating and outputting an RF pulse signal; an RF amplifier, for amplifying the RF pulse signal; and a signal processing unit, for communicating the amplified RF pulse signal to an RF transmit coil of the MRI system and outputting a feedback signal to the RF output unit, wherein the RF output unit generates a linearity compensation control signal based on the feedback signal and a predetermined feedback signal-linearity compensation value-relationship, so as to carry out linearity compensation for the RF pulse signal outputted by the RF output unit. The RF transmit method corresponds to the above noted system and the MRI system comprises the above noted RF transmit system. The pre-scan method comprises the RF transmit method. Instructions recorded by the medium may execute the above noted RF transmit method and pre-scan method.

RF transmit system and method, MRI system and pre-scan method and storage medium thereof

A radio-frequency power converter and a radio-frequency transmission system for magnetic resonance imaging are provided in embodiments of the present invention. The radio-frequency power converter comprises a printed circuit board, the printed circuit board comprises a first circuit layer, a ground layer, and one or a plurality of intermediate layers located between the first circuit layer and the ground layer. A plurality of planar spiral inductors connected in parallel are formed on the first circuit layer. One ends of the plurality of inductors are connected to each other and respectively connected to one end of a first capacitor, the other ends of the plurality of inductors are respectively connected to one ends of a plurality of second capacitors, and the other ends of the plurality of second capacitors are all grounded.

Radio-frequency power converter and radio-frequency transmission system for magnetic resonance imaging

Provided are a method and device for updating an input method system, a computer storage medium, and a device. The method includes: receiving multiple operation logs from multiple user terminals on which the input method system is installed, the operation logs recording log entries which indicate an operations of input corresponding candidate items; extracting log entries from the received operation logs; determining a quantity of log entries of each type; and sending, according to the determined quantity, log entries in a preset type to the user terminals on which the input method system is installed, so as to update the input method system.

Methods and devices for updating input method systems

A method, device, computer storage medium, and apparatus for providing candidate words. The method comprises steps of: detecting user input; determining whether the current application environment is an information exchange application if user input is detected; determining an identifier of the communication counterpart in communication with the user if it is determined that the current application environment is an information exchange application; determining, based on the determined identifier of the communication counterpart, the social relationship between the user and the communication counterpart according to a social relationship automatic determination model, which is a model for determining the social relationship between the user and the communication counterpart; determining, based on a social relationship correction mapping table, whether the user input matches the determined social relationship, wherein the social relationship correction mapping table provides, based on the determined social relationship, correction candidate words corresponding to the social relationship; providing, based on the social relationship correction mapping table, correction candidates the determined social relationship if it is determined that the user input does not match the social relationship.

Method, device, computer storage medium, and apparatus for providing candidate words

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Beijing, China

Xianchao Wu